midas civil catalog

Integrated Solution System for Bridge and Civil Structures

Bridging Your Innovations to Realities

for Bridge and Civil Structures

MIDAS Program Applications

Burj Khalifa (UAE)

Beijing Olympic Stadium (CHINA)

Sutong Bridge (CHINA)

Nastran FXTotal Solution forTrue Analysis-Driven Design

midas FX+General Pre & Post Processorfor Finite Element Analysis

midas CivilIntegrated Solution System for

Bridge and Civil Structures

midas PierPier Automatic Design System

midas DeckPier Automatic Design System

midas FEAAdvanced Nonlinear and

Detail Analysis System

midas AbutmentAbutment Automatic

Design System

midas GenIntegrated Design System for Building and General Structures

midas ADSShear wall type BuildingDesign System

midas SetStructural engineer’s tools

midas BuildingA revolutionary building specificdesign system with auto-draftingmodules

midas SDSSlab & basemat DesignSystem

midas GTSGeotechnical and

Tunnel analysis System

Soil+(CTC in Japan)

midas GeoXTemporary shoring & Settlement

analysis System for Excavation

Mechanical Bridge

Building Geotechnical

World’Height: 800 m, 160 floors

s tallest building to date

World’Total span: 8,206 m

s longest cable stayed bridge to date

Area: 78,000 sq. m.Allowed Capacity: 91,000 people

Sacramento

Vietnam

Malaysia

Singapore

UAE

ItalyTurkey

Spain

LithuaniaRussia

Puerto Rico

VenezuelaColombia

Bolivia

Brazil

Shanghai

MIDAS IT(Seoul)

USA(New York)

Shenyang

Taiwan

Thailand

Guangzhou

China(Beijing)

KOZO KEIKAKU ENGINEERINGITOCHU Techno-SolutionsJIP Techno ScienceCREA-TECCybernet Systems

Chengdu

India(Mumbai)

New Jersey

Japan(Tokyo)

Mexico

SeattleTNO DIANA(Netherlands) Slovenia

MIDAS IT China / BeijingRm.1307, 13th Floor, Fangyuan 56(Yi),Zhongguancun Nan da Jie HaidianDistrict, Beijing, China

+86 010 51658210 / [email protected]

MIDAS R&D Center India / Mumbai804 & 805, 8th Floor, Maithili's Signet,Plot No. 39/4, Sector 30A Vashi,Navi Mumbai – 400705

+91 22 6721 1001~3 / [email protected]

MIDAS IT Japan / TokyoAkiba-mitakikan 8th fl., 4-5-5Sotokanda, Chiyoda-ku, Tokyo,101-0021, Japan

+81 3 5207 6388 / [email protected]

MIDASoft USA / New York45 Broadway, Suite 1130New York, NY 10006, USA

+1 212 835 1666 / [email protected]

Branch OfficesHeadquarters Sales Office

"Stretch your imagination & extend your ideas without restrictions. midas Civil will help you achieve the goals."

01. Innovative user interface

midas Civil - Framework

Works Tree Main Menu Tabbed Toolbars Context Menu

Output Window

Task PaneA new concept tool, which enables the user to freely set optimal menu systems

Walk Through Mode

A new concept menu system comprising frequently used menus

Procedural sequence defined by the user for maximum efficiency

Auto-links to manuals, technical papers and tutorials

Links to corresponding dialog boxes for ease of checking input data

Model rendering provided in variousview points

Possible to change assigned properties of a selected entity / item

Simultaneous display of various results in post-processing

Full graphical representationof all shapes

Command LineModeling function similar to AutoCAD commands

Modeling by One Key commands

Display of line & plane type section shapes

Combined analysis results & design display

Hidden view processing ofa user-specified section

Property Window

Modeling, Integrated Design & Analysis SoftwareMIDAS

midasCivil Bridging Your Innovations to Realities

5

"Stretch your imagination & extend your ideas without restrictions. midas Civil will help you achieve the goals."

midas Civil - Graphic User Interface

Generation of a variety of model views by unit functionality (Contour, Iso Surface, Cutting, etc.)

Analysis results creatively expressed in numerous ways using unit functionality

Simulation Wizard, which saves and regenerates the total process of graphics generation

Visualization Designer

VisualizationDesigner

VisualizationDesignerMulti-selection of Cutting planes

Multi Cutting Plane View

midas CivilGraphic User Interface

Clip Box + Contour + Contour Line Multi Clip + Cut Plane + Property Color

Clip Box + Iso Surface Contour + Cut Plane + Glyph

A new concept graphical tool, which enables the user to freely combine and manipulate analytical model and results

Visualization support tool, which generates various scenes in a selected domain

Mouse operation replacing the use of dialog boxes for frequently used modeling functions

Graphical means to freely select, remove and add domain, plane, line & point informationdesired by the user

Universal Widget

Vertical Cutting

Horizontal Cutting

Modeling, Integrated Design & Analysis SoftwareMIDAS 6


01. Innovative user interface

"One Stop Solution for practicing bridge engineers with RC, steel & PSC design"

02. Optimal solutions for bridges

RC / Steel / PSC design per AASHTO LRFD

Iterative analyses for calculating optimal sections & rebars

One stop solution combining static & dynamic analyses carried out in a same file with member design

Design process for bridge design Reinforced Concrete design (beam / column)

Analysis

Bridge analysis and design are carried out in an iterative process

Iterative Process

Design

Modeling

Analysis

Design

RC DesignSteel Design PSC Design

Optimal solution provided for analysis & design

Stress calculations for user-defined sectionsCombined stresses due to axial &bending (all sections in database)Combined stresses due to bending& shear (all sections in database)

Beam / column section check

Auto-recognition of bracedconditions of columns

Irregular column section designFlexural strength check

Torsional strength checkReinforcing steel calculation &tendon check

Shear strength check

Summary of construction stageresults

Optimized Design

Modeling, Integrated Design & Analysis SoftwareMIDAS7

RC section check report RC section detail check report




02. Optimal solutions for bridges

Stress checks for user-defined sections

Combined stress check for bending & shear (all sections in database)

Combined stress check for axial & bending (all sections in database)

Various column sections provided (box, pipe, solid round, octagon, etc.)

Column checking for user-defined sections

Auto-calculation of braced condition

Design check for maximum forces with corresponding force components

RC design (Irregular column section check) Steel Design (combined stress checks)

Section types in database User-defined irregular column sections Section types in database User-defined irregular sections

Section defined by coordinates

Rebars defined by coordinates

Tower Model of irregular section Column check (PM interaction plot)Graphical results of stress checks



02. Optimal solutions for bridges midasCivil Bridging Your Innovations to Realities

Application Example: a unified analysis for a subway structure

Change in boundary conditions by load cases and RC design feature used

Simultaneous static & dynamic analyses for an FCM bridge with seismic bearing isolators

Section design of bridge piers & towers

A single analysis file, which handles different boundary conditions or section stiffness for different loadingconditions or analysis types

Optimal member design using load combination results of a unified model

Optimal design reflecting change in boundaries for different loading & analysis conditions Application Example: Design of a subway structure

Static analysis

A single analytical model

Change in boundary conditions / sectionstiffness by loading conditions & analysis types

Application examples

Frame bridge analysis for normal & seismic conditions

Subway tube analysis for normal & seismic conditions

Simultaneous static & seismic analyses of bridges with bearing isolators

Separate analyses by analysis cases

Separate analyses by load cases

RC / Steel / PSC Design (AASHTO LRFD)

Optimal member design (beam / column)

Analysis

Dynamic analysisA single analyticalmodel

Design

Optimized Design

Normal support condition Support condition for seismic analysis

Analysis results for normal condition (moment) Seismic analysis results (moment)

RC section check results


Boundary Change Assignment to Load Cases/Analyses



"Integrated solution for practical PSC bridge design (Longitudinal & transverse direction analyses and strength checks)"

03. PSC bridge design

Procedure and main features for PSC bridge design Automatic generation of transverse analysis model

Auto generation of transverse analysis models through global analysis models

Transverse analysis model generation wizard & auto generation of loading and boundary conditions(transverse tendon assignment)

Automatic placement of live load for transverse analysis

Automatic positioning of loadings for plate analysis

Section check using RC / PSC design function

Construction stage analysis reflecting change in elements, boundary conditions & loadings

Creep & shrinkage calculation based on codes

Time dependent steel relaxation (CEB-FIP, AASHTO, Magura & JTG 04)

Irregular sections displayed to true shapes

Confinement effect of rebars considered for creep

Auto-calculation of section properties considering effective width

Easy generation of non-prismatic tapered sections over the entireor partial spans

Completed state analysis reflecting effective width byconstruction stagesSpecial type of PSC bridge analysis (extradosed bridge)

Automatic generation of transverse analysis model

RC design of irregularly shaped columns

3D/2D tendon placement assignment(lumped representative tendon analysis)

Strength check to AASHTO LRFD

Beam stress check for PSC bridges

Automatic reaction summary at specific supports throughstaged launching in ILM bridgesCompression-only element provided for modelingtemporary supports & precasting platform

FCM Bridge

Extradosed Bridge

Defining positions for transverse analysis Transverse analysis model wizard

RC design for a selected member Excel format calculation report(future release)

Input / Output tables

Generation & analysisof a transverse model

Global analysisalong the spans

Transverseanalysis

Strength checkIntegrated solutionfor PSC bridge design

Globalanalysis along

the spans

Transversemodel

generation

Partialmodification

of model dataRC design End

of design




Convenient auto generation of tapered sections (change in thicknesses of top/bottom flanges and webseparately considered)

Construction stage analysis and completed state analysis reflecting auto calculated effective width

Exact 3D tendon and simplified 2D tendon placements

Modeling PSC bridges of irregular sections using Section Property Calculator

PSC bridge wizards (FCM, ILM, MSS & FSM): user-defined tendons & sections possible

Modeling features suited for practical design (1) Modeling features suited for practical design (2)

Display and design of irregular sectionsAuto generation of non-prismatictapered sections

Automatic calculationof effective width

Lumped representative tendon analysisPSC wizard reflecting design practice

Irregular section defined by user using SPC

Tendon profile input and real-time display

Auto generation of taperedsections based on bridgespans Schedule-based input of rebars

3D tendon profile placement

2D placement of tendons usingthe representative tendon function

Automatic calculation of effective widthfor PSC bridges






Separate immediate and time-dependent tension losses by tendons (graphs & tables)

Generation of tendon weights and coordinates (calculation of tendon quantity)

Normal / principal / shear / inclined stresses using PSC Stress Diagram command

Generation of erection cambers

Summary of reactions at specific supports in ILM bridges

AASHTO LRFD specifications

Bending strength, shear strength & torsional strength checks

Transverse rebars check and resistance & factored moment diagrams

Stress check for completed state by construction stages

Generation of member forces & stresses by construction stages and maximum & minimum stresses summary

Excel format calculation report (future release)

Automatic strength check Various analysis results for practical design

Analysis results table

Design parameters for strength check

Analysis results graph

Bending strengthcheck

Tension losses in tendons Tendon loss graph

PSC bridge-specific stress diagrams

PSC bridge-specific stress output

Principal stress distribution for a PSC bridge

Maximum normal stress distribution for a PSC bridge




Compression-only element provided to reflect the effects of temporary bents

Calculation of section properties of an irregular section using AutoCAD and SPC

Calculation of normal / principal / inclined stresses using the Beam Stress (PSC) command

Special type of PSC bridges (1) Special type of PSC bridges (2)


Construction stage analysis - FSM

Analysis results of a completed state model Construction Stage AnalysisControl dialog box

Construction stage analysis - cable erection

Construction stage analysis - removal of shoring

Construction stage analysis - tower erection

Construction stage analysis - cable erection Completed state model

Construction stage analysis - staged constructionof girders

Construction stage analysis reflecting time-dependent material properties and pre-tensioning forces

External type pretension loads provided for inducting cable tensioning forces

1

1

2

3

2

43

Construction stage analysis of an extradosed bridge (FCM) Construction stage analysis of an extradosed bridge (FSM)

4

5

6

1

2

3

1

2



"Optimal solution for cable bridge analysis (completed state & construction stage analyses with advanced analysis functions)"

04. Cable bridge analysis

1

2

Optimal initial pretensions generated to satisfy desired girder, tower & cable force and displacement

constraints

Optimal solution for cable bridge analysis Initial equilibrium state analysis for cable stayed bridges

Auto generation of construction stage pretensionsusing the tensions in the completed state(linear & nonlinear)

1

Behaviors of key segments in real construction reflected

2

Large displacement analysis reflecting creep & shrinkage3

Backward construction stage analysis using internal memberforces (reflecting large displacement)

4

Auto calculation of tensions in main cables and coordinates forself-anchored and earth-anchored suspension bridgesDetail output for suspension cables (unstressed lengths, sag,etc.) & detail shape analysis

5

Steel column design of irregular sections6

Cable Stayed Bridge Initial equilibrium state analysisGeneration of optimal cable pretension forcessatisfying design constraints

Optimum stressing strategy

Cable nonlinearity considered (equivalent truss,nonlinear truss & catenary cable elements)

Calculation of initial pretensions for cable stayedbridges & initial shape analysis for suspension bridges

Construction stage analysis reflectinggeometric nonlinearity

Finite displacement method (P-delta analysis by cons-truction stages and for completed state)

Large displacement method (independent models for back-ward analysis & forward construction stage)

Completed state analysis & tower/ girder design

Linearized finite displacement method & linear elasticmethod

Linear buckling analysis / moving load analysis / inelasticdynamic analysis

Steel column design of irregular sections

Optimum solutions produced by an optimization theory basedon object functions

Solutions obtained by simultaneous equations if the numbersof constraints and unknowns are equal

Ideal dead load force diagram assumed

Initial equilibrium state analysis results satisfying constraints

1

2

3

midasCivilBridging Your Innovations to Realities



Auto calculation of erection pretensions by entering only the pretensions of the completed state & addingLack of fit force without having to perform backward analysis

Applicable for both large displacement and small displacement analyses

Initial equilibrium state analysis reflecting the behaviors of the closure of key segments during erection

Auto calculation of construction stage pretensions accounting for creep & shrinkage

Calculation of cable pretensions by construction stages satisfying the constraints for the completed state

Auto-iterative function provided to reflect creep & shrinkage

Superb convergence for calculating unknown load factors using simultaneous equations & object functions

Construction stage analysis for cable stayed bridges01 - Forward stage analysis using the pretensions in the completed state

Construction stage analysis for cable stayed bridges02 - Forward stage analysis based on application of constraints

Construction stage analysis results - initial erection Construction stage analysis results - cantilevers erected

Construction stage analysis results - closure of side spans Construction stage analysis results- immediately before center span closure

Construction stage analysis results - final stage Completed state analysis results - MomentConstruction stage analysis results

Set up constraints and unknowns

Iteration

Load Factors found

Iteration control

Analysis results of the completed state

STEP 01. Calculation of pretensions usingUnknown Load Factor

STEP 02. Forward stage analysis for a cable stayed bridge using the pretensionsof the completed state and Lack of fit force

Procedure for a construction stage analysis


Optimal tensions in cables found satisfying constraints

1 2

3 4

5

Construction Stage

Unknown Load Factor

Construction Stage

Check

End

Unit pretension loads applied

Assignment of constraints & calculation of unknownload factors for each stage (good convergence)

Re-analysis of construction stagereflecting influence factors

Analysis of results for each construction stage12

3





Conventional earth anchored suspension bridges - initial shape analysis performed in Wizard throughsimple method / accurate analysis

Initial shape analysis function for special suspension bridges with hangers located on different planes(accurate analysis)

Shape analysis function reflecting initial member forces of self anchored suspension bridges

Initial shape analysis for suspension bridges Construction stage analysis of earth anchored suspension bridges

A self-anchored suspensionbridge model using SuspensionBridge Wizard

Accurate analysis methodusing Suspension BridgeAnalysis Control

Initial shape model of a suspension bridge

Structure (elements, nodes, materials, loads & boundary conditions)

Geometric nonlinear analysisStructural stiffness, loads & internal forces

un-equilibrated forces calculatedNodal displacements & member

forces calculated

Updated nodal coordinates revisedRevised nodes & member forces unstressed lengths recalculatedEquilibrium forces calculated

for each member (internal member forces)

Nodal coordinates updatedUnstressed lengths of cables determined

Equilibrium member forces determinedfor each member

Cable (unstressed lengths & iteration convergence conditions)

Removal of superimposed dead load

Initial tension forces in cables of a suspension bridge

Removal of hangers & setback calculationRemoval of main span girders

Removal of main span girders

Removal of side span girders Removal of side span girders completed

Procedure for accurate analysis method

Backward construction stage analysis - large displacement analysis

1 2

4

65

3

Accurate analysis of initialshape performed to satisfy

the coordinates of towers and sags

Control for convergence(rate of change in

displacements)

1 2

3 4

5 6




Accurate analysis with initial member forces to reflect the behavior of a self anchored suspension bridgesubjected to axial forces in girders

Typical construction methods applicable for self anchored suspension bridges such as hanger insertion andJack-down construction methods

Cable Bridge Analysis Options

Large displacement analysis by construction stages

P-delta analysis by construction stages

Reflection of tangential girder erection

Auto calculation of cable tensions by construction stages

Cable-Pretension Force Control

Independent Stage: backward analysis (independent model)Include Equilibrium Element Nodal Force: backward analysis reflecting internal forces (independent model)Accumulative Stage: Accumulative model for forward analysis

Include P-delta Effect Only (2nd release in 2006)

Initial Force: Initial tensions inducted into as internal forces (inducted loads internal cable forces)External Force: Initial tensions inducted into as external forces (inducted loads = internal cable forces)


Initial tension forces of a self anchored suspension bridge

1

1

3

3

2

Erection bents,main cables &girders installed

Final Stage

Stage 04

Stage 05

Stage 03

Stage 02

Initial Tangent Displacement for Erected Structure (fabrication camber calculated)

Lack of fit force control: construction stages using tensions in the completed state automatically produced

2

Initial shape analysis

Construction stage analysis of self anchored suspension bridges

Backward construction stage analysis - large displacement analysis



"Seismic & earthquake resistant system and seismic performance evaluation for bridges using high-end nonlinear analysis"

05. Nonlinear analysis

In addition to lumped mass, Mass Offset & Consistent Mass also considered

A number of response spectrum loads defined using different design spectrums

Various methods for applying damping for time history analysis (Direct Modal, Mass & Stiffness Proportional,Strain Energy Proportional, Element Mass & Stiffness Proportional)

Nonlinear analysis process in midas Civil Various dynamic analysis functions

Nonlinear seismic analysis andperformance evaluation for bridges

Nonlinear static analysis(pushover analysis)

Boundary nonlinearanalysis

Inelastic time historyanalysis

Analysis model data

Nonlinear material properties & plastic hinge propertiesof members(hysteresis models, yield strengths, PM interaction &post yielding behavior properties)

Finite elements (beam, column, plate & solid)Inelastic spring properties (stiffness, effective dampingratios & hysteresis properties)

Static loads & inelastic response spectrum(damping & ductility ratio)Acceleration time histories & artificial seismic waves)

Effective DampingDuctility

Capacity spectrum methodDisplacement coefficient method

Displacement based design method

Seismic performanceevaluation

Perfo

rman

ce

B

asic

sei

smic

des

ign

Multi-spectrum input Definition of a number of response spectrum load cases using different design spectrums Spectrum values corresponding to modal damping ratios

Response spectrums & interpolation considering modal damping ratios Modal damping ratio applied using correctional equation if a single spectrum selected Interpolation of spectrum load data used if a number of spectrums specified

Consistent mass consideration Both lumped mass & consistent mass available

Mass specified at the neutral axis of a member regardless of Mass Offset or Section Offset

Seismic performanceevaluation

Seismic resistance& isolation system evaluation

Accurate seismicsafety evaluation

Definition of input loads

Approximate dimensions / section profile/ material properties

Structural model of a bridge

Displacement control

Inelastic response spectrum

Load control

Accurate behavior analysis using nonlinearseismic response of a bridge

DampingTime Step

Effective stiffness/effective damping devicehysteretic properties

Response evaluation Response evaluation Response evaluation

Newmark - - Linear acceleration method - Average acceleration method

Displacement, velocity & acceleration time historyInelastic hinge distribution

Member curvature & rotational ductility

Direct integrationSeismic control

ViscoelasticHysteretic Inelastic element

Beam-Column

Spring, Truss

Lumped Hinge Type

Distributed Hinge YypeSeismic isolation

Nonlinear modal analysis

Runge-Kutta method

1

1

2

3

2

3

Seismic isolation

LRBFPS

Staged reactions, memberforces, stresses, displacements,

plastic hinge distribution& system displacement ductility

Eigenvalues (natural frequencies)Seismic isolator & damper hysteresis loops,

Displacement, velocity & acceleration time history




Structural analysis function including nonlinear link elements (General Link)

Structural analysis using spring elements having nonlinear properties (Inelastic Hinge Property)

Various dampers & base isolators (Gap, Hook, Viscoelastic Damper, Hysteretic System, Lead RubberBearing Isolator & Friction Pendulum System Isolator)

Static loads converted into the form of dynamic loads (Time Varying Static Loads)

Viscoelastic Damper

Hysteretic System

Viscoelastic Damper

Lead Rubber Bearing Friction Pendulum System Hysteretic System

Runge-Kutta method analysis condition

Lead Rubber Bearing Isolator

Dampers, base isolators & inelastic elements simultaneously considered in nonlinear time historyanalysis (nonlinear direct integration method)

Good convergence by Runge-Kutta method (Step Sub-Division Control & Adaptive Stepsize Control)

Boundary nonlinear analysis Analysis capabilities for dampers & base isolators

Friction Pendulum System Isolator






4 Hinge type models

Lumped type hinge

Distributed type hinge

Spring type hinge

Truss type hinge

Accurate analysis by simultaneously considering nonlinear & time dependent properties of members toevaluate seismic safety

Good convergence achieved through applying stable direct integration method & numerical iterative method

Over 50 built-in earthquake acceleration records in DB & import of artificial seismic waves

Versatile nonlinear analysis results (hinge distribution, max. & min. displacement / velocity / acceleration,time history graphs & simulations)

Auto generation of plastichinge properties

Input for nonlinearanalysis conditions

Various nonlinearhysteresis models

Evaluation of ductilitydemand for members

Inelastic hysteresis models in midas Civil

Uni-axial hinge model

19 Models provided including bi-linear, tri-linear,Clough, slip models, etc

Multi-axial hinge model

Translational hardening type model/ fiber model

Nonlinear time history analysis function, which uses linear static & construction stage analysis results asinitial section forces (initial section forces reflected in hysteresis)

Generation of tables & graphics for versatile nonlinear analysis results(hinge distribution, max. & min. displacement / velocity / acceleration, time history graphs, simulations& production of various events)

Nonlinear time history analysis Numerous inelastic hysteresis models

Takeda Tri-linear Clough Deg. Tri-linear

Origin-Oriented Peak-Oriented Slip Ramberg Osgood

21




Nonlinear dynamic analysis considering axial force - moment interaction

Variable axial force considered (PMM): translational hardening type model by plasticity theories

Fixed axial force considered (PM)

Nonlinear time history analysis Dynamic nonlinear analysis reflecting axial force - moment interaction

Modeling, Integrated Design & Analysis SoftwareMIDAS

RC Type Steel Type

Translation of 1st yield surface after 1st yielding Translation of 1st yield surface at unloading

Translation of 2nd yield surface after2nd yielding on the +ve side

Initial axial forces considered (P-M) Variable axial forces considered (P-M-M)

Translation of 2nd yield surface after2nd yielding on the -ve side

Translational hardening type model (translation of yield surface)Auto setting of yield surface & auto calculation of yield properties





Efficient fiber division function for various sections such as rectangular, circular & PSC sections

Simple representation of reinforcing steel using the Import function

Nonlinear dynamic analysis using fiber models Versatile & convenient definition of fiber section & division

Limitation of nonlinear hinge models eliminated, which are based on experience such as pushover analysis,seismic analysis, etc.Change in axial forces accurately reflected through fiber models in structures whose axial forces changesignificantly Accurate representations of confinement effects of tie reinforcing steel, crushing, cracking, etc. in concretemembers under nonlinear analysis Accurate representations of tensile yielding, compressive yielding, buckling, fracture, etc. in steel membersunder nonlinear analysisAnalytical models for optimal retrofit reinforcement to existing structures such as plate reinforcement

A bridge model using fiber elements

RC Section PSC Section

Concrete Filled Section Hollow Steel Section

Stress-strain relationships for concrete & steel

Moment-curvature relationship of a fiber element Versatile & convenientsection damage assessment

3

2

1

Von Mises

Tresca

Hydrostatic Axis

F = 3J2 - Y

F = ( 1 3)- Y

)tan( fst ncF +-=

3

2

11s−

2s−

3s−

)sin3(3cos6

)sin3(3sin2

21f

f

f

f

--+

-=

cJIF




Good convergence for nonlinear analysis using shell elements, which reflect large displacements &large rotationsRepresentation of material nonlinearity of degenerated shell elements by integrating stresses in thethickness direction using a layered approach

Plastic zone display function, which shows the status of yielding of shell elements in the thickness directionto obtain detail information on material nonlinearity

Material & geometric nonlinear analysis functions to carried out detail analyses of steel structures consistedof steel box, steel plate & I-beam sections

Nonlinear static analysis Nonlinear shell element


High end analysis functions to represent nonlinear behaviors of structures after elastic limits

Various hardening models, which define the behaviors from the elastic limits to maximum stress points(Isotropic hardening, Kinematic hardening & Mixed hardening)

Various failure models frequently encountered in civil engineering practice(Tresca, Von Mises, Mohr-Coulomb & Drucker-Prager)

Cyclic Load function using the loading sequence function to represent the nonlinear behaviors ofstructures subjected to cyclic loads

Material nonlinear properties Cantilever beam with channel section

Pinched cylinder Hemispherical shell with a hole

Load-Deflection curve Yield states along thickness

Von Mises - Tresca Mohr-Coulomb Drucker-Prager

Results of a cyclic loading test Nonlinear analysis control





Simultaneous analysis of geometric & material nonlinearity Pushover analysis

Analysis results of a reduced symmetry model expanded to a full model to observe nonlinear behaviors& deformed shape using the Mirror function

View function supported to display plastic zones to identify the status of yielding at integration points

Animation function provided to examine rather large deformation & stress redistribution in real time

Results of geometric - material nonlinear analysis readily verified by Stage/Step History Graph

Various plastic hinge models

Process of pushover analysis

Checking the status of safety limits of a system, which has been considered with dynamic behaviors &load redistribution, after yielding

Structural inelastic behaviors & resistance capability calculated efficiently

Capacity spectrum method provided to efficiently evaluate nonlinear seismic response & performance

Load control & Displacement control methods

Gravity load effects considered

Pushover analysis reflecting P-delta effects

Various load patterns supported (Mode Shape / Static Load /Uniform Acc.)

Multi-linear hinge & FEMA hinge types supplied

Analysis results checked by pushover steps (hinge status / distribution,displacements, member forces & stresses)

Various types of capacity curves supplied

Capacity spectrum method

Demand spectrums supplied for each design standard

Seismic performance evaluated using Performance Point

Capacity spectrum method

Auto generation of plastichinge properties

Static analysis& member design

Load control ordisplacement control

Inelastic propertiesof members

Pushover analysis

Capacity ofa structure evaluated

Performance pointsfound by demand curves

Evaluationof seismic performance

Yes

No

Stress contour & deformedshape

Yield point Steel box

A quarter model of a pinched cylinderwith diaphragms

Load Scale Factor - Deflection curve

Satisfactoryperformance

Project Applications

Segmental Concrete Bridges

Galena Creek Bridge (Nevada, USA)

01

I-95/I-295 Lee Roy Selmon Flyovers (Florida, USA)US17 Wilmington Bypass (North Carolina, USA)

Basarab viaduct (Bucharest, Romania)The bridge over the Adige river (Verona, Italy)Jalan Travers Bansar (Kuala Lumpur, Malaysia)

Intersección Elevada Av. Suba x Av. Boyacá(Cali, Colombia)

Tarango Bridge (Mexico City, Mexico)La Jabalina Bridge (Durango, Mexico)

“Bridge Awards of Excellence” (American Segmental Bridge Institute)

Project Applications

Cable Stayed Bridges02 Suspension & Extradosed Bridges03

Russky Island Bridge (Vladivostok, Russia) Stonecutters Bridge (Hong Kong, China)

Ironton-Russell Bridge (Between Ironton and Russell, USA) New Wear Bridge (Sunderland, UK)

Talavera Bridge (Castile-La Mancha, Spain) Korabelny Farvater Bridge (Saint-Petersburg, Russia)

Thuan Phuoc Bridge (Da Nang, Vietnam)

Young Jong Bridge (Incheon, South Korea)

Kum Ga Bridge (Chungju, South Korea)

The World’s LongestCable Stayed Bridge(under construction) 2nd Longest Cable Stayed Bridge

Bridge (Sunderland, UK)

An AwardWining Bridge in UK

dge (Da Nang, Vietnam)

midas civil catalog

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