LARSA 4D's Steel Bridge Module uses a wizard-like interface to simplify 3D model generation for complex I, box, and tub girder bridges, while providing fully integrated AASHTO compliant code check and load rating tools, along with the ability to move beyond typical grillage analysis to utilize influence surface based live load.
LARSA's Section Composer is a graphical companion tool for modeling arbitrary sections for use in LARSA 4D. Section Composer supports standard, parametric, nonprismatic, and custom shape sections
Nonlinear Time history.
Linear Static Analysis.
Nonlinear Static Analysis.
Response Spectra Analysis.
Linear Time History Analysis.
Rolling Stock Analysis.
Influence Line Based Live Load.
Influence Surface Based Live Load.
Bridge Path Coordinate Systems.
Basic Staged Construction.
Element Construction Activites.
Truss & Beam Element.
Thin & Thick Plate Behavior.
2-Node Spring with 6x6 Stiffness.
6-Node & 15-Node Wedge.
8-Node & 20-Node Brick.
Compression Only Truss.
Tension Only Truss.
Nonlinear Elastic Spring.
Hysteretic Inelastic Spring.
Nonlinear Hysteretic Beam.
Beam with Inelastic Connection.
4D BRIDGE is LARSA's #1 software package in use at leading bridge design and analysis firms throughout the United States and abroad.
Featuring LARSA's nonlinear element library and advanced analysis options for seismic and nonlinear time history analysis, 4D BRIDGE supports the following bridge types:
Steel I, Box and Tub Girder Bridges.
Steel Composite Bridges.
The best way to experience the strengths of LARSA 4D is with a hands-on free trial. To request a no-risk 30-day trial license to LARSA 4D BRIDGE, please fill out the following form.