Document Information

Document Type: FAQ

Product(s): LEAP BRIDGE STEEL

Version(s): All

Original Author: Bentley Technical Support Group -VM

QUESTION: How is the program calculating the Live Load Distribution factor for LL Service I deflection”?

ANSWER:

LBS uses the LLDF for shear to calculate deflections.

For LGA, LBS is calculating the distribution factor for LL Service I deflection as per AASHTO Article 4.6.2.2.3