129769647 tekla detailing

Tekla StructuresDetailing Guide

Product version 18.1

August 2012

2012 Tekla Corporation

2012 Tekla Corporation and its licensors. All rights reserved.

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D-Cubed 2D DCM 2008 Siemens Industry Software Limited. All rights reserved.

EPM toolkit 1995-2004 EPM Technology a.s., Oslo, Norway. All rights reserved.

XML parser 1999 The Apache Software Foundation. All rights reserved.

Project Data Control Library 2006 - 2007 DlhSoft. All rights reserved.

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The software is protected by U.S. Patent Nos. 7,302,368, 7,617,076, 7,765,240, 7,809,533, 8,022,953, 8,041,744 and 8,046, 210. Also elements of the software described in this Manual may be the subject of pending patent applications in the European Union and/or other countries including U.S. patent applications 2005285881, 20110102463 and 20120022848.

3Conventions used in this guideTypographical

conventionsThe following typographical conventions are used in this guide:

Noteboxes The following types of noteboxes are used in this guide:

Font Usage

Bold Any text that you see in the user interface appears in bold. This font is used, for example, for window and dialog box titles, box and button names, and list items.

Italic bold New terms are in italic bold when they appear in the current context for the first time.

Monospace Extracts of program code, HTML, or other material that you would normally edit in a text editor, appear in monospaced font.

This font is also used for file names and folder paths, and for any text that you should type yourself.

A tip might introduce a shortcut, or suggest alternative ways of doing things.

A note draws attention to details that you might easily overlook. It can also point you to other information in this guide that you might find useful.

You should always read very important notes and warnings, like this one. They will help you avoid making serious mistakes, or wasting your time.

This symbol indicates advanced or highly technical information that is usually of interest only to advanced or technically-oriented readers.

Contents

4

Conventions used in this guide ..............................................................................................................3

1 Getting Started .............................................................................................. 7

1.1 Basics of components ........................................................................................................... 7Component concepts .................................................................................................................................... 8Component dialog box ................................................................................................................................. 9Selection order ............................................................................................................................................. 11Up direction................................................................................................................................................... 11Automatic and default properties........................................................................................................... 12General tab .................................................................................................................................................... 12Design and Design type tabs .................................................................................................................... 13

1.2 Component catalog............................................................................................................. 14Using the component catalog.................................................................................................................. 14

Symbols ................................................................................................................................................... 16Pop-up menus ....................................................................................................................................... 17

Thumbnail images........................................................................................................................................ 18Descriptions and keywords ....................................................................................................................... 18Grouping components ................................................................................................................................ 18Copying components to another folder ................................................................................................ 19Customizing and saving components .................................................................................................... 19

1.3 Using components............................................................................................................... 20Creating components ................................................................................................................................. 20Example: Adding an end plate ................................................................................................................. 21Example: Adding a base plate and anchor rods.................................................................................. 22Example: Adding a beam to column connection................................................................................ 23Viewing components .................................................................................................................................. 23Modifying components .............................................................................................................................. 24Conceptual components ............................................................................................................................ 24

Converting a conceptual component to a detailed component ............................................. 25Automating the detailing process........................................................................................................... 25Tips on working with components.......................................................................................................... 26

1.4 Defining parts and plates................................................................................................... 27Using the dialog box................................................................................................................................... 27Dimensioning parts ..................................................................................................................................... 27

Plates ....................................................................................................................................................... 28Beams ...................................................................................................................................................... 28Part position number .......................................................................................................................... 28Using the Components tab ................................................................................................................ 29

Defining materials ....................................................................................................................................... 29Using the Components tab ................................................................................................................ 30

1.5 Defining bolts and welds.................................................................................................... 30Using the Bolts tab...................................................................................................................................... 30

5Defining bolts ............................................................................................................................................... 32Increasing bolt length ......................................................................................................................... 32

Creating holes............................................................................................................................................... 32Number of bolts and spacing ................................................................................................................... 33Bolt group orientation................................................................................................................................ 33Bolt group pattern....................................................................................................................................... 33Edge distance................................................................................................................................................ 34Bolt position.................................................................................................................................................. 34

Vertical bolt position ........................................................................................................................... 35Horizontal bolt position ..................................................................................................................... 35

Defining slotted holes ................................................................................................................................ 36Deleting bolts................................................................................................................................................ 37Defining bolt assemblies............................................................................................................................ 38Welds............................................................................................................................................................... 38

1.6 Modeling tools .................................................................................................................... 391.7 AutoConnection .................................................................................................................. 39

AutoConnection setup................................................................................................................................ 40AutoConnection rule groups ............................................................................................................. 41AutoConnection rule sets .................................................................................................................. 42Rules.zxt ................................................................................................................................................ 43Changing a connection ...................................................................................................................... 43

Using AutoConnection ............................................................................................................................... 431.8 AutoDefaults ....................................................................................................................... 44

AutoDefaults setup...................................................................................................................................... 45Connection properties files ............................................................................................................... 46Saving connection properties ........................................................................................................... 46Access to properties files ................................................................................................................... 46Defaults.zxt ............................................................................................................................................ 47Priority of rule sets .............................................................................................................................. 47Editing connection properties .......................................................................................................... 47

Using AutoDefaults ..................................................................................................................................... 48How to use AutoDefaults effectively ..................................................................................................... 48Checking AutoDefaults properties .......................................................................................................... 48Checking AutoDefaults rules .................................................................................................................... 48AutoConnection and AutoDefaults rules .............................................................................................. 48

Combining and iterating properties ................................................................................................ 50Limitations ............................................................................................................................................. 51Combining properties .......................................................................................................................... 52Iteration with connection check ...................................................................................................... 52Reaction forces and UDL .................................................................................................................... 54

1.9 Using the joints.def file...................................................................................................... 54About joints.def............................................................................................................................................ 55

How joints.def works ........................................................................................................................... 55How to read joints.def ........................................................................................................................ 55Entering values ..................................................................................................................................... 56

Connections that use joints.def............................................................................................................... 56Defining general defaults .......................................................................................................................... 56Defining bolt diameter and number of rows ....................................................................................... 58

Clip angle, shear plate, and end plate connections ................................................................... 58Gusset connections .............................................................................................................................. 58Diagonal connections ......................................................................................................................... 59

Defining other bolt and part properties ................................................................................................ 59Gusset connection properties ........................................................................................................... 60Diagonal connection properties ....................................................................................................... 63

6Profile type-dependent bolt dimensions ....................................................................................... 65How Tekla Structures uses joints.def ..................................................................................................... 65

1.10 Using Excel in connection design...................................................................................... 66Setting up Excel files .................................................................................................................................. 67Sample implementation............................................................................................................................. 67Indicating component status ................................................................................................................... 70

2 Reinforcement .............................................................................................. 73

2.1 Getting started with reinforcement.................................................................................. 732.2 Basic reinforcement properties ......................................................................................... 74

Hooks............................................................................................................................................................... 75Concrete cover.............................................................................................................................................. 76Spacing reinforcing bars............................................................................................................................ 78Omitting reinforcing bars.......................................................................................................................... 78User-defined attributes of reinforcement ............................................................................................ 79Meshes............................................................................................................................................................ 79

2.3 Single bars, bar groups, and meshes ................................................................................. 80Creating reinforcement using the Reinforcing Bar Shape Catalog............................................... 81Reinforcing bar............................................................................................................................................. 83Reinforcing bar group................................................................................................................................. 84Curved reinforcing bar group ................................................................................................................... 87Circular reinforcing bar group ................................................................................................................. 88Reinforcement mesh................................................................................................................................... 89Reinforcement strand pattern.................................................................................................................. 92Reinforcement splice .................................................................................................................................. 94

2.4 Working with reinforcement ............................................................................................. 95Attaching reinforcement to parts ........................................................................................................... 95Using reinforcement handles ................................................................................................................... 96Using adaptivity ........................................................................................................................................... 97Reinforcement geometry validity............................................................................................................ 99

2.5 Modifying reinforcement ................................................................................................... 99Ungrouping a reinforcement ................................................................................................................. 100Grouping reinforcements........................................................................................................................ 101Adding points to a reinforcement........................................................................................................ 102Removing points from a reinforcement ............................................................................................. 103Splitting reinforcing bar groups ........................................................................................................... 104Splitting reinforcing bars in a group................................................................................................... 104Combining two reinforcing bars or reinforcing bar groups into one......................................... 105Customizing reinforcement meshes .................................................................................................... 105Exploding reinforcement ........................................................................................................................ 107Defining custom reinforcement components ................................................................................... 107

2.6 Reinforcing bar bending shapes in the Rebar Shape Manager .................................... 108Reinforcing bar bending shapes in the RebarShapeRules.xml file ............................................. 108Defining reinforcing bar bending shapes in the Rebar Shape Manager ................................... 108Adding new bending shape rules manually ...................................................................................... 110

Bending shape rule settings ........................................................................................................... 110Bending schedule fields in the Rebar Shape Manager .................................................................. 114

2.7 Reinforcing bar bending types......................................................................................... 116Reinforcement in templates .................................................................................................................. 137

Basics of componentsGetting Started 7

1 Getting Started

Introduction Once you have created a frame of parts in your Tekla Structures model, you will need to connect those parts to complete the model. Tekla Structures contains a wide range of components that you can use to automate the process of creating a model.

This chapter explains the basics about components - what they are and how to create them using Tekla Structures. We will begin with the basic concepts, followed by a general description of components properties. Finally, we will show you how to use components in practice.

Contents This chapter is divided into the following topics:

Basics of components (7) Component catalog (14) Using components (20) Defining parts and plates (27) Defining bolts and welds (30) AutoConnection (39) AutoDefaults (44) Using the joints.def file (54) Using Excel in connection design (66)

1.1 Basics of components

Introduction Components are tools that you can use to automatically create the parts, welds, and bolts required to connect parts. They are linked to main parts, so, when you modify a main part, the associated component also changes.

Benefits The main benefits of working with components are:

1. You can save the properties of a component using an easily-identifiable name and keep it for future use. For example, you could save the properties of a W12x65 column base plate connection as W12x65.j*, and use it for several projects.

2. When you modify the size of a profile, Tekla Structures automatically modifies the relevant components.

3. When you copy or move objects, Tekla Structures automatically includes all the associated components.

Topics Component concepts (8)

Component catalog (14)


Component dialog box (9)

Selection order (11)

Up direction (11)

Automatic and default properties (12)

General tab (12)

Design and Design type tabs (13)

Component conceptsComponents are tools that automate tasks and group objects so that Tekla Structures treats them as a single unit. Components adapt to changes in the model, which means that Tekla Structures automatically modifies a component if you modify the parts it connects.

This is an example of how to apply a connection:

Component types Components have the following subtypes:

Select the main part.

Select the secondary part.

To see information about the connection, click the connection symbol.

The connection automatically creates the required parts, fittings, bolts, etc.

Component type Description Examples Symbol

Connection Connects two or more parts, and creates all the required objects such as cuts, fittings, parts, bolts, and welds.

Two-sided clip angle, bolted gusset

Corbel connection (14)


System andcustom

components

Tekla Structures contains hundreds of system components by default. You can also create your own components, custom components. They have following subtypes:

connection detail part seamAll components are stored in the Component catalog (14). To open the component catalog, use the keyboard shortcut Ctrl+F.

See also What is a custom component

Creating custom components

Component dialog boxThe component dialog box is in two sections.

Upper part Use the upper section of the dialog box to save and load predefined settings. For more information, see Save, Load, Save as buttons. For some components the upper section also contains buttons for accessing the bolt, weld and DSTV dialog boxes.

For information on handling the saved properties, see Connection properties files (46).

Lower part The lower section of the dialog box is divided into tabs. This is where you define the properties of the parts and bolts that the component creates. The most common tabs that appear here are:

Picture illustrates the component. It shows just one example, but you can usually use one component in many situations.

Parts is where you define the properties of the parts the component creates. Parameters is where you set parameters to control the component (for example, for stiffeners,

end plates, chamfers, etc.). Bolts is where you define the number of bolts and their edge distances. General is where you define the direction of the connection or detail and AutoDefaults rules.

Detail Adds a detail or a reinforcement to a main part. A detail is only connected to one part. When you create a detail, Tekla Structures prompts you to select a part, followed by a point to place the detail.

Stiffeners, base plates, lifting hooks

Beam reinforcement, pad footing reinforcement

Modeling tool

Automatically creates and assembles the parts to build a structure, but does not connect the structure to existing parts. Modeling tools can include connections and details.

Stairs, frames, towers

Component type Description Examples Symbol


See also Defining parts and plates (27)

Defining bolts and welds (30)

Tabs

Tekla Structures uses the automatic property value.

The parts the component creates appear in yellow.

The green symbol indicates the correct direction for the connection or detail.

The parts you select appear in blue.

Tekla Structures uses the default property value.


Selection orderTo create a connection you need to select or pick existing parts or points. The default selection order for a connection is:

1. Main part2. Secondary part(s)3. If there is more than one secondary part, click the middle mouse button to finish selecting parts

and create the connection.

Some connection dialog boxes illustrate the selection order for parts using numbers, as shown below. Select the parts in the order shown in the picture:

Details The default selection order for a detail is:

1. Main part.2. A point in the main part to show the location of the detail.

Modeling tools The default picking order for a modeling tool is:

1. Pick one to three point(s) to show the location of the objects the modeling tool creates.

Up directionThe up direction of a connection or a detail indicates how the connection is rotated around the secondary part, relative to the current work plane. If there are no secondary parts, Tekla Structures rotates the connection around the main part. The options are: +x, -x, +y, -y, +z, -z.

The Picture tab in the dialog box shows the up direction Tekla Structures will use. Tekla Structures also indicates the up direction in the connection symbol:


Manually definingup direction

To manually define the up direction:

1. Double-click the connection symbol to open the connection dialog box.2. On the General tab, change the x, y, or z direction. Try positive directions first.3. Click Modify to use the new values.

Automatic and default propertiesSome connection dialog boxes contain list boxes that show property options as graphics. You can select system defaults, AutoDefaults, or have Tekla Structures automatically set the properties.

System defaultproperties

If you leave fields in connection dialog boxes blank, Tekla Structures uses the system default properties. Manual entries, default, automatic and properties in the joints.def file, all override these system defaults. You cannot change system default properties.

Default andautomaticproperties

See also Using the joints.def file (54)

General tabConnections and details have the same General tab. It contains the following properties:

Icon DescriptionMore information

To have Tekla Structures use a default property in a connection, select the option marked with this symbol.

If you use AutoDefaults for the connection, Tekla Structures uses the property defined in the AutoDefaults rules. If you are not using AutoDefaults, Tekla Structures creates the connection using the system default property.

If AutoDefaults have been used, the actual picture in the default option does not necessarily match the outcome.

Using AutoDefaults (48)

To have Tekla Structures automatically determine which option to use for a property, select the option marked with this symbol.

For example, when you use this option for the stiffener in End plate (144), the connection automatically adds the stiffener to a beam-to-column connection, but does not add it to a beam-to-beam connection.


Design and Design type tabsSome component dialog boxes include a Design tab, others include a Design type tab. Use the options on these pages to check if the component will bear the UDL (uniform distributed load). This design check is intended for use with imperial units.

The Design tab also contains options to:

Use AutoDefaults rule groups to automatically modify component properties to take the calculated load. To define which AutoDefaults rule group to use, go to the General tab and select the rule in the AutoDefaults rule group list box.

For more information, see Reaction forces and UDL (54).

Use information in an Excel spreadsheet to check connection design and automatically update component properties to bear the UDL. This is useful when you want to check connection design according to other design codes. See Using Excel in connection design (66).

Design tab To check the design of a component that has a Design tab page:

1. Go to the Design tab and select Yes in the Use UDL listbox.2. To use information in an Excel spreadsheet in the UDL calculation, select Excel in the External

design listbox.3. Enter the information you want to use in the calculation in the remaining fields.

Field Description More information

Up direction Rotates the connection around the secondary part or detail around the main part.

The fields next to the image define rotation angle around the x- and y-axis of the secondary. The upper one is for y- and the lower one for x.

Up direction (11)

Position in relation to primary part

Available only for details. Select a checkbox next to the images to indicate the position of the definition point of the detail, relative to the main part.

Use the Horizontal offset and Vertical offset fields to define the horizontal and vertical alignment of the detail, relative to the main part.

Locked Prevents modifications. Locking objects

Class A number given to all parts the connection creates. You can use class to define the color of parts in the model.

Color settings for parts

Connection code Identifies the connection. Tekla Structures can display this connection code in connection marks in drawings.

AutoDefaults Rule Group

Automatically sets connection properties according to the selected rule group. To switch AutoDefaults off, select the rule group None.


AutoConnection Rule Group

Automatically switches the connection to another according to the selected rule group.

Component catalogGetting Started 14

4. Select a connection in the model and click Modify. To view the results of the check, right-click the component symbol and select Inquire from the pop-up menu.The inquire object window opens, which contains a summary of the design checks and related information.

See also Using Excel in connection design (66).

Design type tab To check the design of a component that has a Design type tab page:

1. Open the component properties dialog box.2. Go to the Design type tab and select Yes in the Check connection list box. Tekla Structures will

check the connection each time it is used or changed in a model. 3. Enter the information you want to use in the calculation in the remaining fields.4. Select a connection in the model and click Modify.5. Tekla Structures checks the component. A green component symbol indicates that the

connection will bear the UDL, red indicates it will not.6. To view the results of the check, right-click the component symbol and select Inquire from the

pop-up menu. The inquire object window opens, which contains a summary of the design check.

The summary of the design check shows the part checked, the name of the check, the applied and allowed force and how much capacity has been used, the results and possible solutions.

1.2 Component catalogTekla Structures contains a component catalog, where all components and sketched cross sections are stored. See also Sketched cross sections.

To open the component catalog, use the keyboard shortcut Ctrl + F, or click the Search component icon on the component toolbar (see Component catalog (14)).

Topics Using the component catalog (14)

Thumbnail images (18)

Descriptions and keywords (18)

Grouping components (18)

Customizing and saving components (19)

Using the component catalogTo open the component catalog, use the keyboard shortcut Ctrl+F, or click the Search component

icon on the component toolbar.

You can do the following with components and sketched cross sections:

search using name, number, or keywords start creating view properties collect your own favorites define keywords edit or add descriptions import/export

Componentcatalog

You can browse for the components, or search by using search terms and keywords.


Search

View folders

View details

View thumbnails

Show/hide descriptions

Create a component using the component tool you used last with its current properties.

Double-click the name to set the properties and create the component.

Component description

System components have blue symbols.

Custom components have yellow symbols.


Creating newfolders

By default, components are grouped in folders based on their type and framing condition. You can add and remove components, and create folders and subfolders.

To create new folders in the Folders tree view, right-click a level in the tree and select an option from the pop-up menu:

Create New Folder to create folder at the same level Create New Sub-folder to create a folder one level belowInformation on the folders you create is stored in the ComponentCatalogTreeView.txt file that is located in the ..\TeklaStructuresModels\\attributes\ folder.For more information, see Copying components to another folder (19).

Modifying Searchand Folders views

The default view settings for the Search view are stored in the ComponentCatalog.txt file that is located in the ..\Tekla Structures\\environments\\system folder.If you modify the file, the Search view and the Search results branch in the Folders view change.

The default tree settings for the Folders view are stored in the ComponentCatalogTreeView.txt file that is located in the ..\Tekla Structures\\environments\\system folder.If you modify the file, the Folders view changes.

SymbolsThe first column in the catalog indicates the component types with following symbols:

To sort a column, click the header cell.

You can create a list of favorite components. To add a component to your list, right-click the component name in the component catalog, and then select Add to Favorites in the pop-up menu.

Symbol Component type

System connections

System detail

System modeling tool

Custom connections and seams

Custom details

Custom parts

Sketched cross sections


Pop-up menus

Systemcomponents

Right-click a system component in the Search view list to open a pop-up menu containing the following commands:

Properties... Edit Keywords... Add to Favorites Add to Search Result... Remove from Search Result Change picture... AutoDefaults... Import...

Customcomponents

Right-click a custom component in the Search view list to open a pop-up menu containing the following commands:

Properties... Edit keywords... Add to Favorites Add to Search Result... Remove from Search result Change Picture... Export... Import... Edit Custom Component Delete Custom Component

Sketched crosssections

Right-click a sketch in the Search view list to open a pop-up menu containing the following commands:

Properties... Edit Keywords... Add to Favorites Add to Search Result... Remove from Search Result Export... Import... Change Picture... Delete

See also Thumbnail images (18)

Descriptions and keywords (18)

Grouping components (18)

Managing custom components

Sketched cross sections


Thumbnail imagesMost system components have a default thumbnail image in the component catalog, which shows you a typical situation where the component can be used. For example, this is what the thumbnail image for Bolted gusset (11) connection looks like:

To edit a thumbnail image for a component:

1. Create an image and save it in bmp format in ..\Tekla Structures\\nt\bitmaps folder.

2. Press Ctrl + F to open the component catalog.3. Right-click the component and select Change picture...4. Locate the thumbnail and select it.5. Click OK.6. Tekla Structures links the thumbnail to the component.

Descriptions and keywords

Descriptions To view a component description, select the component in the Component catalog.

Use the button to show or hide descriptions.

You can create new descriptions and edit existing ones:

The default component descriptions are stored in the xslib.db1 file, located in the model folder.

To add or edit a description, type text in the description field. When you select another component in the component catalog, Tekla Structures prompts you to save the description you added or edited. After you have saved the description, save the model also.

Edited component descriptions are model-specific.

Keywords To add or edit keywords, right-click a component in the component catalog, and select Edit keywords...

Keywords you add or edit are saved in ComponentCatalog.txt file in the current model folder. You can combine ComponentCatalog.txt files and move them to the system folder:..\Tekla Structures\\environments\\system.

Grouping componentsTo create a new folder based on the results of a search:

1. In the Component catalog, enter your search criteria and click Search.

To create the image, you can use Create View > Default Views of Component and Screenshot commands, for example.


2. To group the search results in a new folder, click Store.3. In the Store search result dialog box, enter a name for the folder and click OK.4. The new folder appears in the tree.

Removingcomponents from

groups

To remove components from a group, right-click the component and select:

Remove, if it is a default group.or

Remove from search result if the folder was created from a search.

Copying components to another folderTo copy components from one folder to another:

1. In the component catalog, click the Folders icon to open the Folders view.2. Go to the folder where the component to be copied is located.3. Select the component, right-click and select Copy.4. Go to the folder where you want to copy the component.5. Right-click and select Paste.

Customizing and saving componentsMany components are suitable for use in different situations. You can define the properties of a component to use in a specific situation, then save a copy in the component catalog to use in similar situations.

For example, well use the Bolted gusset (11) component to connect a single brace at the base plate of column.

1. To save a copy of the component, well right-click the component symbol in the model, and select Publish in catalog.... The Publish in catalog dialog box appears.

If the copying does not succeed for some reason, store the component temporarily to a new folder.

1. Click the Search icon and search for the component to be copied.

2. Select the component and click Store to create a new folder for the component.

3. In the Folders view, go to the new folder and copy the component from there to the desired folder.

Using componentsGetting Started 20

2. We can add the component to a specific group. By default, the component is added to the All group.

3. By default the component uses the same thumbnail image as the original component. To change the thumbnail, see Thumbnail images (18).

1.3 Using components

Introduction This section explains how to use components. It also includes examples.

Topics Creating components (20)

Example: Adding an end plate (21)

Example: Adding a base plate and anchor rods (22)

Example: Adding a beam to column connection (23)

Viewing components (23)

Modifying components (24)

Tips on working with components (26)

Creating componentsYou create different types of component in different ways. For example, you select existing parts to indicate which members a connection or a detail is attached to. You need to pick points to indicate the location or length of a detail or a modeling tool. See also Selection order (11).

When you create connections, Tekla Structures prompts you to select the main part (the part secondary parts connect to), then the secondary part(s). For an example of using a connection, see Example: Adding an end plate (21).

Status Tekla Structures uses different-colored component symbols to show the status of connections and details:


Example: Adding an end plateThis example shows how to create an end plate connection. The End plate (144) connection connects two beams, or a beam to a column, using a bolted end plate.

To create the end plate connection:

1. In the component catalog, enter 144 and click Search.2. Double-click the End plate (144) component. Tekla Structures displays the component dialog

box and starts the End plate (144) command.3. Click Apply to create the component using the default properties.4. Tekla Structures prompts you to select the main part (column) and then the secondary part

(beam). Tekla Structures creates the connection.

5. Select the next main part or interrupt the command.

If you need to change the number of bolts or plate dimensions, for example, you need to modify the component. For more information, see Modifying components (24).

Color Status Tip

Green

Component created successfully.

Yellow

Component created, but has problems.

Often occurs when bolts or holes have an edge distance less than the default value for that component.

Red

Component failed. A common reason is that the up direction is not appropriate. See Up direction (11).

When applying a component that you are unfamiliar with, accept the default properties and apply the component. Then look to see what needs to be modified. This is quicker than trying to set the values for the component before seeing what the component actually creates.


If you use incorrect properties, Tekla Structures may fail to create the component. For more information, see Creating components (20).

Example: Adding a base plate and anchor rodsComponent catalog contains several base plate details. This example shows how to create a base plate and anchor rods.

Before you start:

create a column create an elevation viewTo add a base plate to a column:

1. Open an elevation view.2. Open the component catalog.3. Enter base plate in the Search field and click Search.

4. To view pictures of the components in the search results, click the Thumbnails icon .

5. Click Base plate (1004). This component creates a base plate with anchor bolts.6. The prompt Pick part appears on the status bar. Select the column.7. The prompt Pick position appears on the status bar. Pick the point at the base of the column to

indicate where to create the base plate. 8. Tekla Structures creates the base plate.9. Examine the component to see if you need to make any changes.10. Check that the connection symbol is green, which indicates that the connection was created

successfully.11. Change the dimensions of the anchor rods.

To make it easier to select components, click the Select component icon .


12. Double-click the component to open the Tekla Structures Base plate (1004) dialog box. 13. Go to the Anchor rods tab. Change the dimensions of the anchor rods.14. To change only this base plate, select Ignore other types in the list in the top section of the

dialog box:

15. Click Modify. Tekla Structures changes the dimensions of the anchor rods.16. Click OK to close the dialog box.17. Right-click and select Interrupt from the pop-up menu to end the command.18. Check that the connection symbol is green, which indicates that the connection was created

successfully.

Example: Adding a beam to column connectionComponent catalog contains several beam to column connections. This example shows how to create a beam to column connection.

Before you start:

create a beam and a column create an elevation viewTo create a beam to column connection:

1. Open the component catalog.2. Select Beam to column connections in the list. The list of beam to column connections appears in

the main pane.3. Select Column with stiffeners (186).4. The prompt Pick main part appears on the status bar. Select the column.5. The prompt Pick secondary part appears on the status bar. Select the beam.6. Tekla Structures creates the connection.7. Click OK to close the dialog box.8. Right-click and select Interrupt from the pop-up menu to end the command.9. Check that the connection symbol is green, which indicates that the connection was created

successfully.10. Examine the component to see if you need to make any changes.

Viewing componentsYou can create several views of a component to view it from different viewpoints.

To create views of a component:

1. Click the component symbol to select the component.2. To create views, right-click and select Create View > Default Views of Component from the pop-

up menu. Tekla Structures creates four views: front, end, top, and perspective.

To check dimensions, such as bolt locations and edge distances, work in the Component front view and use the Measure tool.


Modifying componentsTo modify a component, double-click the component symbol in the model. The component dialog box appears. This is where you modify the component properties.

You can also indicate which connections and details are affected by the modifications:

Modify connection type: If you have selected several connections and details, clicking the Modify button modifies all the selected connections and details irrespective of their type. If the connection type is not the same as in the dialog box, Tekla Structures changes the connection type.

Ignore other types: Tekla Structures only modifies connections and details of the type shown in dialog box.

Conceptual componentsDepending on the Tekla Structures configuration you are using, you can create either detailed or conceptual components. Conceptual components are meant to be used as reference information for further fabrication detailing. Conceptual components look similar to detailed components but do not include the option to change part numbering or assembly numbering settings.

Conceptual components can be created only with Engineering and Cast in Place configurations. However, you can edit conceptual components in Full, Steel Detailing, or Precast Concrete Detailing configurations.

Conceptual components can be converted to detailed components that include all the information needed for fabrication, such as assemblies, cast units, and reinforcing bars. The conversion to detailed components can be done in Full, Steel Detailing, or Precast Concrete Detailing configurations.

Modifying part properties, such as the size of the component main part, does not automatically convert a detailed component to a conceptual one, or vice versa. For example, if you use the Engineering configuration and modify the model, detailed components do not convert to conceptual components.

If you have Select component switched on , you do not have to pick component symbol, but you can just pick any object belonging to a component. This is the only method for selecting custom parts, because they do not have any symbol.

Component Symbol Configuration Description

Conceptual

Rectangular

Engineering

Cast in Place

Conceptual component does not create assemblies or cast units.

The dialog box is the same as in detailed component, but does not contain fields for part and assembly positions.


See also Converting a conceptual component to a detailed component (25)

Converting a conceptual component to a detailed componentAn individual conceptual component that has been created with Engineering or Reinforced Concrete Detailing configuration can be converted to a detailed component in Full, Steel Detailing, and Precast Concrete Detailing configurations.

To convert a conceptual component to a detailed component:

1. Select the component symbol.2. Click Detailing > Component > Convert to Detailing Component.

See also Conceptual components (24)

Automating the detailing processIf you have a standard way of configuring connections, save time by saving the connection properties once. Store them in firm or project folders for future use. See Firm and project folders.

Tekla Structures includes AutoConnection and AutoDefaults tools to automate the modeling process. So you can customize Tekla Structures to suit a particular project and the way you work. See AutoConnection (39)and AutoDefaults (44).

There are three levels of automation that you can help you work faster and more accurately.

Detailed

Round

Full

Steel Detailing

Precast Concrete Detailing

Detailed component contains part and assembly numbering fields, and creates needed assemblies and cast units.

Detailed components can be converted to conceptual components in Engineering and Cast in Place configurations.

Component Symbol Configuration Description

If you want to convert a detailed component to a conceptual component in Engineering or Reinforced Concrete Detailing configuration, right-click and select Convert to Conceptual Component.


Tips on working with components

No componentcreated

If you have difficulty applying a component, check the status bar for prompts. For example, you may need to click the middle mouse button to stop selecting parts, before Tekla Structures creates the component.

Many parts found If you are applying a connection that only allows for one secondary part, you may see the message Many parts found on the status bar. This means that Tekla Structures cannot determine which parts to connect. You may have several parts in the same location, or the view may be set too deep.

Switch parts on/off

If the component does not create the parts you need by default (for example, stiffener plates), look for a switch to turn them on. If there is no switch, try entering a value in the thickness field for that part (for example, on the Stiffeners tab).

If the component creates parts you do not need, look for the switch to turn them off. If there is no switch, enter a zero (0) in the thickness field for that part.

Default: Tekla Structures creates stiffeners or uses value retrieved from AutoDefaults.

Automatic: Tekla Structures creates or omits stiffeners depending on the situation in the model.

Tekla Structures does not create stiffeners

Defining parts and platesGetting Started 27

Entering validprofiles

You need to specify profiles for some components. If a component fails, try entering a valid profile.

1.4 Defining parts and platesUse the Parts tab to define the parts that Tekla Structures creates when you use a component.

Topics Using the dialog box (27)

Dimensioning parts (27)

Defining materials (29)

Using the dialog boxSome components list all parts on one tab, others list parts on separate tabs as shown in the following examples.

One Parts tab Where there is one tab, the label is usually Parts or Plates.

Several Parts tabs Parts can also appear on separate tabs. For example, in connection 56, Corner tube gusset, the parts appear on both the Gusset and Brace conn tabs.

Dimensioning partsUse the Parts tabs to dimension specific part types in components.

Tekla Structures creates stiffeners.


PlatesEnter the following dimensions for plates:

You do not have to enter these dimensions for every component type, as Tekla Structures determines the plate shape differently for different components. For example, in end plate connections, Tekla Structures calculates width and height using the number of bolts and bolt edge distances. Click Help in a component dialog box to check which dimensions you need to enter.

BeamsTo specify a library or parametric profile to use for beams:

Enter the profile name.

Or click , and select a profile from the profile catalog.

Part position numberUse the Pos_no field to enter the part position number for each part the component creates. This overrides the settings on the Tools > Options > Options... > Components tab. Specify a prefix and a start number, as shown below.

Some component dialog boxes have a second row of Pos_no fields for you to enter the assembly position number.

To delete a part, enter zero (0) in the t (thickness) field.

Dimension Description

t Plate thickness

b Plate width

h Plate height

The profile must exist in the profile catalog.

Prefix

Start number


Using the Components tabTo set the default prefix and start number for all the parts that components create, click Tools > Options > Options... > Components. You define different prefixes and start numbers according to the parts relationship to other parts in the component. Separate the prefix and part number using the \ character (for example, p\1).

Defining materialsTo define the materials for the parts that components create, click next to the Material field. Tekla Structures opens the Select Material dialog box. Click a material type, then click the material to use for the part.

Prefix

Part number

Defining bolts and weldsGetting Started 30

Using the Components tabTo set the default part material for the parts that components create, click Tools > Options > Options... > Components tab, and use the Part material field. Tekla Structures uses this default if you leave the Material field blank in the component dialog box when you apply the component.

1.5 Defining bolts and weldsUse the Bolts or Welds tabs to define which bolts, assemblies, and welds to use in specific components.

Topics Using the Bolts tab (30)

Defining bolts (32)

Creating holes (32)

Number of bolts and spacing (33)

Bolt group orientation (33)

Bolt group pattern (33)

Edge distance (34)

Bolt position (34)

Defining slotted holes (36)

Deleting bolts (37)

Defining bolt assemblies (38)

Welds (38)

Using the Bolts tabThis illustration shows the properties you can set on the Bolts tab of component dialog boxes:


Slotted hole dimensions

Slotted to create slotted hole in part

Check bolt components to include (bolt, washer, screw).

Shank length protruding from the nut

Bolt spacing - vertical

Number of bolts

Enter bolt order number of bolt to delete.


Defining boltsUse the following fields on the Bolts tab to specify the type of bolts to use in individual components:

Increasing bolt lengthTo allow for additional material thickness, increase the length of the bolt on the Bolts tab. For example, you could use this for painted parts.

Enter extra bolt length

Tekla Structures uses this value in bolt length calculation. See Bolt length calculation.

Creating holesTo only create a hole, deselect all the components in the illustration on the Bolts tab.

Edge distance

Bolt spacing (horizontal)

Number of bolts

Bolt group pattern

Horizontal

Vertical

Dialog box text Description

Bolt size Must be defined in the bolt assembly catalog. See also The bolt and bolt assembly catalogs.

Bolt standard The bolt standard to use inside the component. Must be defined in the bolt assembly catalog.

Tolerance Gap between bolt and hole.

Thread in mat Indicate if the thread can be inside bolted parts when using bolts with a shaft. Has no effect if using full-threaded bolts.

Site/Workshop Location where bolts should be attached.


Number of bolts and spacingUse the Bolts tab to specify the number of bolts and bolt spacing, both horizontally and vertically.

Enter the number of bolts in the shorter field, and the spacing between bolts in the longer field, as shown below. Use a space to separate bolt spacing values. Enter a value for each space between bolts.

Example For example, if there are 3 bolts, enter 2 values.

The settings above result in this bolt group layout:

Bolt group orientationSome connections include the following options on the Bolts tab to orientate bolt groups:

Bolt group patternFor some components you can select different bolt group patterns. You have the following options:

Number of bolts

Bolt spacing

Option Description

Square.

Staggered in the direction of the secondary part.

Sloped in the direction of the secondary part.

Option


Edge distanceEdge distance is the distance from the center of a bolt to the edge of the part. Enter top, bottom, left, and right edge distances on the Bolts tab. A dimension line on the illustration shows each dimension. See also Using the joints.def file (54).

Bolt positionIn the list box on the Bolts tab, select an option to indicate how to measure dimensions for vertical and horizontal bolt position.

Then enter the dimension in the fields indicated below. If you leave this field blank, Tekla Structures uses a system default value.

Edge distance dimension line

Enter edge distances here

Option


Vertical bolt positionUse these options to indicate how Tekla Structures measures vertical dimensions:

Horizontal bolt positionUse these options to indicate how Tekla Structures measures horizontal dimensions:

Enter dimensions

Measure dimension from....

Option Dimension from Illustration

Top Upper edge of secondary part to uppermost bolt.

Middle Centerline of bolts to centerline of secondary part.

Bottom Lower edge of secondary part to lowest bolt.


Defining slotted holesTo define slotted holes in components:

1. Open the component properties dialog box and click on the Bolts tab. Different bolt groups may appear on different tabs in different dialog boxes.

2. Set Hole type to Slotted.3. Select which parts have slotted holes from the Slots in list box. Select No to create round holes. 4. To shape slotted holes, enter the x or y dimensions of the hole. To produce a round hole, enter

zero (0) for both dimensions.

Option Dimension from Illustration

Left Left edge of secondary part to far left bolt.

Middle Centerline of bolts.

Right Right edge of secondary part to far right bolt.


Slotted hole length = x or y dimension + Bolt size + Tolerance

You can also use the Bolt command to modify bolt groups after creating components. For more information, see Holes.

Deleting boltsTo delete bolts from a bolt group:

1. Double click the component symbol to open the component dialog box.2. Go to the Bolts tab.3. Check Delete.4. Enter the bolt number(s) of the bolt(s) to delete, separated by a space. Bolt numbers run left to

right and top down.5. Click Modify to change the selected component.6. Click OK to exit the component dialog box.

Example You start with this bolt group:

You enter the following bolt numbers:

The bolt group now looks like this:

For some components you can specify which parts have slotted holes using the Bolts tab. For example, Clip angle (141), Shear plate simple (146).


Defining bolt assembliesOn the illustration on the Bolts tab, check the pieces to use in the bolt assembly (bolt, washers, and nuts).

To change the bolt assemblies in the current component:

1. Click the component symbol to select it.2. Check the pieces to use.3. Check Effect in modify.4. Click the Modify button.

WeldsTo define the properties of the welds Tekla Structures uses in a component, click the Welds button in the component properties dialog box. Tekla Structures displays the appropriate weld dialog box.

The illustration identifies each weld using a number. For each weld, use row 1 to define the arrow side of the weld, and row 2 for the other side.

Modeling toolsGetting Started 39

See also Welds

1.6 Modeling toolsCustomize the properties of modeling tools you use to create objects, rather than changing the properties manually each time.

Example You know you will use the same type of stairs in several projects. Set up and save the stair modeling tool properties once.

When you next need to use that particular stair modeling tool you can just load the pre-defined properties, as shown below. When you apply the modeling tool, Tekla Structures creates exactly the same stairs.

See also Getting Started (7).

Predefined properties

AutoConnectionGetting Started 40

1.7 AutoConnection

Introduction Use AutoConnection to automatically select and apply connections with predefined properties to selected parts in a model. With AutoConnection, Tekla Structures automatically creates similar connections for similar framing conditions.

You can use AutoConnection to quickly add connections individually, in phases, or project-wide. This is a useful technique when you are working on a large project using many connections, modifying a model, or importing modified profiles.

AutoDefaults allows you to modify standard connection properties and save them for use in specific circumstances. You can define rule groups and rule sets for both AutoConnection and AutoDefaults to use for different conditions within the model.

You can use AutoDefaults together with AutoConnection to define connection properties. You can also use AutoDefaults to define connection properties and apply them to a single connection.

Test model Before using AutoConnections and AutoDefaults in a working model, we recommend that you create a test model, and create all the connection conditions in it that you need for a particular project. You can then use this test model to check the rules and properties of various connection types. It also acts as a quick reference for connection information.

See also AutoConnection setup (40)

AutoConnection rule groups (41)

AutoConnection rule sets (42)

Rules.zxt (43)

Changing a connection (43)

Using AutoConnection (43)

AutoDefaults (44)

AutoConnection and AutoDefaults rules (48)

AutoConnection setupWith AutoConnection you can define groups of rules which Tekla Structures automatically applies when you use AutoConnection to create connections in a model.

For example, you can create separate rules for different standards, projects, manufacturers, and even individual models. By using a rule group to select connections and connection properties, you can create connections automatically, without having to select each connection and define its properties individually.

Tree structure To access the AutoConnection Setup dialog box, click Detailing > AutoConnection > AutoConnection Settings.... The connection types used in various cases are shown in a tree structure:


To apply a particular connection, the conditions within the model have to match all the rules in the branch containing the connection. If you do not want to apply a connection for certain rules sets, right-click the connection name and then select No connection from the pop-up menu.

Icon Type Description

Rule group The 1st level in the tree shows the rule groups. These are user-definable. They help you to group the rules according to different standards, projects, manufacturers, and models.

Framing condition The 2nd level shows the different predefined framing conditions (connection types). Tekla Structures creates them automatically and you cannot change them.

The framing conditions include the following: beam to beam web, beam to beam flange, beam to column web, beam to column flange, beam splice, and column splice.

Rule set Under each framing condition you can create rule sets to specify which connection to use for specific conditions within the model.

Connection The connection to apply if the rule set criteria are met.


Restrictions AutoConnection has the following restrictions:

You can have a maximum of two secondary parts in the connection (for example, you cannot use complex gussets with several secondaries). AutoConnection uses profile height and ID number as the criteria for determining 1. secondary and 2. secondary parts.

AutoDefaults only affects connection parts (clip angles, shear tabs, end plates, ), bolts, and welds. AutoDefaults cannot change beam profiles or the connection number.

See also For more information on rules, see AutoConnection rule groups (41)and AutoConnection rule sets (42).

For more information on how to use AutoConnection, see Using AutoConnection (43).

AutoConnection rule groupsBefore using AutoConnection, you need to define rule groups, so that you can group the rules according to different standards, projects, manufacturers, etc. To create a new rule group:

1. Open your test model. Click Detailing > AutoConnection > AutoConnection Settings....2. Right-click an existing rule group, and select New rule group from the pop-up menu. 3. Double-click the group New and rename it. Give it a distinctive name.

When you create a new rule group, Tekla Structures automatically adds the framing conditions branches under it (beam to beam web, beam to beam flange etc.).

AutoConnection rule setsEach framing condition can contain rule sets, which you can use to specify which connection to use for specific conditions within the model. You only need to create AutoConnection rule sets if you plan to use different connections to connect similar framing conditions.

For example, you have beam to beam connections, some require clip angles, others need shear tabs. In this case, you need to set up rule sets to determine where each connection type should be used.

Creating a ruleset

To add a new rule set under a framing condition:

1. Right-click the framing condition. A pop-up menu appears.2. Select New rule set. A New entry appears in the tree.3. Give the new rule set a descriptive name.

Creating asubrule set

1. Right-click an existing rule set. A pop-up menu appears.2. Select Create additional rule sets. A New entry appears in the tree.3. Give the new subrule set a descriptive name.

Creating a new rule set or subrule set only adds a rule set to the setup tree. You need to define its contents separately. See AutoConnection (39).

The order of the rules in the tree is important. Tekla Structures uses the first rule that matches the conditions within the model, so you should place the most limiting rule highest in the tree, and the most generic, lowest.

Give the rule group a name that reflects the group of connections that you want to create. For example, use the fabricator's name, the project name, or any name that will clearly identify the connection rules that you want to use for a specific model.


Editing a rule set You can edit the contents of a rule set (for example, change the name or add rules to it):

1. Right-click the rule set. A pop-up menu appears.2. Select Edit rule set... to open the AutoConnection Rules dialog box.3. Select a rule from the Available rules list.4. Click the right arrow button to move the selected rule into the list of rules in the rule set.5. In the right pane under Rules in rule set, fill in the acceptable values for the rule. You can either

define an exact value, or minimum and maximum values.6. The name you enter in the Rule set name field is shown in the setup tree.

You can change the priority of a rule set by right-clicking the rule set and selecting Move Up or Move Down.

For more information on rules, see AutoConnection and AutoDefaults rules (48).

Rules.zxt When you use AutoConnection, Tekla Structures creates an Attributes subfolder in the current model folder and saves the AutoConnection information in a zipped text file called rules.zxt.You can copy this file to the project or firm folders to make it available for other models (see also Project and firm folders). Each time you modify AutoConnection setup you need to recopy this file to the firm and/or project folders.

When you copy this file for use in other projects, remember to restart Tekla Structures to use the new setup.

Changing a connectionTo change the connection in a rule set, use the Component catalog dialog box which lists all the Tekla Structures connections available in the connection toolbars.

The order of the rules in the tree is important. Tekla Structures uses the first rule that matches the conditions within the model, so you should place the most limiting rule highest in the tree, and the most generic, lowest.


To open the Component catalog:

1. Right-click a connection in the AutoConnection Setup tree. A pop-up menu appears.2. Select Select connection type... to open the Component catalog dialog box.3. Select a connection and click OK to update the tree.

Deleting an item Use the Delete rule set command in the pop-up menu to delete a rule set from the Setup tree. This also deletes its subrule sets.

Using AutoConnectionUse AutoConnection to have Tekla Structures automatically create connections using a predefined set of rules, or rule group.

Creatingconnections

To create connections using AutoConnection:

1. Pick the parts to connect.2. Click Detailing > AutoConnection... > Create connections to display the AutoConnection dialog box.3. Select a rule group in the first list box on the Rule groups tab as shown below.

4. Click the Create connections button.

When you use AutoConnection, Tekla Structures ignores the properties in the connection dialog boxes and creates connections using the properties defined in the rule group. Tekla Structures does not modify existing connections.

You can change the properties of connections you create using AutoConnection.

Additionaloptions

Use the options on the Advanced tab to indicate which rule groups you want to use for each Framing condition (beam to beam web, beam to beam flange, etc.). You also have the option not to apply a rule group, or to apply a specific connection.

Example You can use a rule group for all framing types other than beam to column flange, and indicate a particular connection to use for that framing type.

Options Use Connection selection to indicate your preferences for each framing condition. You have the following options:

Rule group for AutoConnection

Rule group for AutoDefaults

AutoDefaultsGetting Started 45

Use Parameters selection to indicate which connection properties you want to use. The options are:

1.8 AutoDefaults

Introduction Use AutoDefaults to automatically apply the correct properties to existing connections. When you use AutoDefaults, Tekla Structures automatically creates connections with predefined properties.

For example, you can use AutoDefaults to automatically adjust the thickness of each base plate you create, according to the main part profile. If the main part profile changes, Tekla Structures will also automatically adjust the thickness of the base plate.

See also AutoConnection (39)

AutoDefaults setup (45)

Connection properties files (46)

Saving connection properties (46)

Access to properties files (46)

Defaults.zxt (47)

Priority of rule sets (47)

Editing connection properties (47)


How to use AutoDefaults effectively (48)

Checking AutoDefaults properties (48)

Checking AutoDefaults rules (48)

AutoConnection and AutoDefaults rules (48)

Option Result

None Tekla Structures does not create a connection.

AutoConnection Tekla Structures applies the connection defined in the rule group you have indicated in the first list box on the Rule groups tab.

A named connection Click Select to pick from a list of available connections. Click a connection, then OK.

Tekla Structures creates the connection you specify using the default properties. See Automatic and default properties (12).

Option Result

AutoDefaults Tekla Structures applies the properties of the rule group you have indicated in the first list box on Rule groups tab.

No AutoDefaults Tekla Structures applies the default connection properties. See Automatic and default properties (12).


AutoDefaults setupWith AutoDefaults you can create rules defining when to use different predefined connection properties. When you modify connections (for example changing the beam size), Tekla Structures automatically redefines the connection properties using AutoDefaults setup.

Use AutoDefaults to modify standard connection properties and save the modified properties for use in specific situations.

Tree structure To open the AutoDefaults setup dialog box, click Detailing > AutoConnection > AutoDefaults Settings.... The connection types used in various cases are shown in a tree structure:

Icon Type Description

Rule group The 1st level in the tree contains rule groups. The rule groups are user-definable. They help you to group rules according to different standards, projects, manufacturers, and models.

Connection page

Connection

The next two levels show all the connections available on the toolbars. They are predefined and you cannot change them.

Rule set Under each connection you can create rule sets to specify which connection properties to use when specific conditions within the model are met.

Connection properties file

Every branch in the tree ends with connection properties file(s) (for example, standard.j144). You can save connection properties that you want to use again. See Saving connection properties (46).


Rule sets You define AutoDefaults rule sets in the same way as AutoConnection rule sets. See AutoConnection rule sets (42).

Tekla Structures saves the AutoDefaults rules in the defaults.zxt file in the current model folder. You may want to copy defaults.zxt and all the connection properties files associated with it (for example, sec_0-190.j141) to the firm or project folders to use in other models. See Defaults.zxt (47).

Connection properties filesBy default, each connection has a standard properties file which defines the standard properties for the connection (for example, standard.j144). You can save connection properties that you want to use again in separate properties files and give them a distinctive name.

Saving connection propertiesTo save connection properties for later use in similar conditions within the model, you can save them in a properties file:

1. Set the properties you want to save (for example, bolt, profile, material properties).2. In the Save as field, enter a distinctive name for the connection properties. Enter the same name

in the Connection code field and click Save as.

Tekla Structures creates the properties file in an Attributes subfolder in the current model folder. The filename consists of the name you entered in Save as and the extension .jXXX, where XXX is the connection number (for example, sec_0-190.j141).

Access to properties filesTo view the list of properties files for a certain connection:

1. In the AutoDefaults Setup tree, select a properties file (for example, standard.j144).2. Right-click the selected properties file. A pop-up menu appears.3. Click Select connection parameters.... Tekla Structures displays the Attribute File List dialog box,

containing the existing properties files for the connection.

Defaults.zxtWhen you use AutoDefaults, Tekla Structures creates an Attributes sub-folder in the current model folder and saves the AutoDefaults setup in a zipped text file, defaults.zxt.You can copy this file to the project or firm folders to make it available in other models. See also Project and firm folders. Each time you modify the AutoDefaults setup, you need to recopy this file to the firm, or project folders.

When you copy this file for use in other projects, remember to restart Tekla Structures to use the new setup.

When you save connection properties to use with AutoDefaults, it is a good idea to enter the same name in the Save as and Connection code fields on the General tab. This means you can easily check later which properties Tekla Structures used in specific situations. Tekla Structures does not automatically show the AutoDefault values in the connection properties fields.


Priority of rule setsTekla Structures processes AutoDefaults rule sets in the order in which they appear in the tree, so you can control the selection of properties. Usually, one framing condition, profile type, and orientation can have several property combinations, for example, a different profile height.

Example For example, if you have properties files and rules for maximum profile heights of 150, 160, 170 and 190 mm, and AutoDefaults is selecting properties for a height of 158 mm, three properties files are valid. AutoDefaults selects the first one to match (in this case, 160 mm). Where there is no match, you will need a default rule and properties file.You should set the default rule so that it does not define the profile height and is the last item in the branch. In this way the default rule will always be the last one to match and any properties file that matches the profile height will override it.

Editing connection propertiesTo edit connection properties in the AutoDefaults Setup tree:

1. Right-click a connection standard.j file (for example, standard.j144). A pop-up menu appears.

2. Select Edit connection parameters to open the connection dialog box.3. Set the properties as you would when manually creating connections.4. Type a descriptive name for these properties in the Save as text box and click Save as. Use a

name that distinguishes these as AutoDefaults setup.5. Click Cancel to close the dialog box and return to the AutoDefaults setup dialog box.

6. Right-click the standard.j again. Click Select connection parameters....7. The Attribute File List opens. It contains the properties that have been set and saved in the

connection dialog box.8. You can now apply any of the properties that have been saved in a rule set.

Using AutoDefaultsTo use AutoDefaults for a single connection:

1. Open the connection dialog box.2. On the General tab, select a rule group from the AutoDefaults rule group list.

The rule group cannot be None.

3. On all the tabs, set the fields that you want AutoDefaults to override to Default by selecting the

options marked with the arrow symbol .4. Click Apply to create the connection using AutoDefaults.

We do not recommend that you edit the defaults.zxt file using a text editor, but if you do so, check that you use the right syntax. The easiest way to unpack the .zxt file is to change the file extension zxt to txt.gz and unpack the file using WinZip. Change the extension back to zxt when you have finished. You do not need to repack the file after editing it, Tekla Structures can also read the unpacked file.

If you click OK to close the dialog box, you need to load the default properties next time you use this connection. This ensures that AutoDefaults can modify the properties.


How to use AutoDefaults effectivelyUse default values when you create a connection, then use AutoDefaults to modify the properties.

If you manually modify connection properties after using AutoDefaults, Tekla Structures will not automatically update the connection properties, even if AutoDefaults is active. AutoDefaults does not change connection properties that have been modified. It only modifies connection properties in fields containing the default properties.

For example, you have manually set a base plate thickness of 20 mm in the Base plate dialog box of a connection. AutoDefaults is active and sets plate thickness according to the main part profile. If you modify the main part profile, Tekla Structures does not update the base plate thickness. It remains at 20 mm.

Checking AutoDefaults propertiesTo check the properties AutoDefaults has applied to a connection:

129769647 tekla detailing

Documents

software manual

referenced software

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apache software foundation

andor installshield

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