D1.D. American Codes - Steel Design per AASHTO Specifications

Design to AASHTO Standard Specifications for Highway Bridges utilizing the ASD and LRFD approaches are available in STAAD.Pro. These are described in the following two sections.

To utilize the ASD method, specify the commands

PARAMETER

CODE AASHTO

PARAMETER

CODE AASHTO ASD

To utilize the LRFD method, specify the commands

PARAMETER

CODE AASHTO LRFD