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LARSA 4D Live Load Analysis

LARSA 4D live load analysis is performed by means of influence lines and influence surfaces to quickly compute the worst-case loading configurations on bridge decks, including bridges with curved and skewed roadways and nonparallel curb lines.

The influence surface algorithms integrated into LARSA 4D automatically determine the transverse location of the design lanes on shell-deck models, along with live load placement within the design lane.

Details

  • Date:May 2022
  • Duration:09 minutes 52 seconds
  • Contents:Creating the Model | 02 min 10 sec
  • Defining Lines & Surfaces | 02 min 29 sec
  • Vehicle Databases| 04 min 22 sec
  • Entering Loading | 04 min 49 sec
  • Extracting Results | 08 min 09 sec

LARSA, Inc. develops advanced software for the analysis and design of bridges and structures based on the finite element method.

LARSA is privately owned and based in New York, with all its software development and product support conducted in-house.

LARSA 4D Resources

  • Download Current Version LARSA 4D Version 2025.R1 - April 29, 2025
  • Sign into your LARSA 4D Web Account View licensing information and training materials
  • Academic & Evaluation Licensing Request a hands-on LARSA 4D License

LARSA 4D Products

  • LARSA 4D BRIDGE Series
  • LARSA 4D STRUCTURE Series
  • LARSA 4D STEEL BRIDGE MODULE

Contact

LARSA, Inc.
68 South Service Road, Suite 100
Melville, New York 11747
Phone: (800) LARSA-01
Phone: +1 212-736-4326
Fax: 631-454-5252
Email: info@larsa4d.com

© 2025 LARSA, Inc. All Rights Reserved.