Chapter 8

Creating Slabs for Floors and Ceilings

Slab Application to Ceiling

Objectives

• Use the SlabAdd command to add a slab• Modify a slab by editing the Properties

palette and using grips• Create a slab that includes components

and a slab edge style• Convert polylines and walls to a slab• Edit the slab edge style of a slab

Accessing SlabAdd Command• Select the Slab tool from the Roof Slab flyout of the Build panel in the Home tab or

Design palette

Slab Properties

• Basic-General– Description– Style– Bound Spaces– Mode-Direct/Projected

• Dimensions– A-Thickness– B-Vertical offset– C-Horizontal offset– Justify-Top/Center/Bottom/

Slopeline

– Base height– Direction– Overhang– Perimeter edge

• Slope– Rise– Run– Slope

• Location– Rotation– Elevation

Projected Mode• Set the Base height edit field to specify the position the Z coordinate of the

slab using Projected Mode. Base height=3’-4” shown below

Specify Projected Height to Locate Baseline

Apply Slab Tool Properties to >Linework and Walls

Select Slab from the Design palette, right click and select Apply Tool Properties to> Linework and Walls from the shortcut menu.

Select walls or polylines: 1 found (Select the polyline at p1 as shown above.)

Select walls or polylines: EnterKey (Press ~EnterKey~ to end selection.)

Erase layout geometry? [Yes/No] <No>: ~EnterKey~ (Press ~EnterKey~ to retain the polyline.)

Creation mode [Direct/Projected] <Projected>: ~EnterKey~ (Press ~EnterKey~ to project the slab.)

Specify base height <0">: 36 ~EnterKey~ (Specify distance to project slab in Z direction.)

Specify slab justification [Top/Center/Bottom/Slopeline] <Bottom>: ~EnterKey~ (Specify the slab justification.)

Specifying the Base Height of a Slab

• When Apply Tool Properties to>Linework and Walls is applied to a wall the wall base height is the slab base height.

Accessing Additional Styles from the Design Tool Catalog

Accessing Additional Slab Styles

• Access slab styles in the Style Manager• Open from the Style Manager choose

Content • Select Styles>Imperial folder choose Slab &

Slab Edge Styles (Imperial).dwg

Or• Styles>Metric folder and choose Slab

&Slab Edge Styles (Metric).dwg

Editing a Slab Style• Select a slab, right-click and choose Edit Slab Style to open the Slab

Styles dialog box.

Or

• Select a slab choose Edit Style from the General panel of the Slab contextual tab.

General Tab-Slab Styles

Components Tab-Slab Styles

Materials Tab-Slab Styles

Classifications Tab- Slab Styles

Display Properties Tab – Slab Styles

Slab Edges

• Slab Edge Styles can be assigned to each edge of a slab

• Slab Edge Styles are included in:Slab & Slab Edge Styles (Imperial).dwg

Slab & Slab Edge Styles (Metric).dwg

Available Slab Edge Styles

• 3 x 4 x .25 Pour Stop• Cant• Curb• Equipment Curb• Haunch (6 inch slab)• Precast (Female)• Precast (Male)• Rim Joist• Standard• Turned Down Footing

Slab Edge Styles

Assign Slab Edge Style in Properties

Edit Slab Edge from Shortcut

• Select Slab, right click and choose Edit Slab Edges

• Select an edge to open the Edit Slab Edges dialog box, shown in next slide

Specifying Slab Edge Style in the Edit Slab Edges Dialog Box

Editing Slab Edge Styles• Edit Slab Edge Styles definition in the Style Manager

or• Select Slab, right click and choose Edit Slab Edge Style. • Select Slab choose Edit of the Edge panel in the Slab tab.• Select an edge to open the Slab Edge Styles dialog box shown in

next slide.

Defaults Tab-Slab Edge Styles

Design Rules Tab – Slab Edge Styles

Changing the Profile of an Edge

• Select a Slab Edge with an assigned profile in the slab edge style, right-click, and choose Add Edge Profiles

• Or• Select a Slab Edge with an

assigned profile in the slab edge style and choose Add Profiles from the Edge panel of the Slab contextual tab.

• Edit grips and choose Finish from the Edits panel to save changes