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AASHTO Specific Parameters

Used to input parameters for loading per "Standard Specification for Highway Bridges", AASTHTO ASD / LFD.

SettingDescription
Loading Class

Select the nominal vehicle load to use per Cl.3.7. All vehicles in the Vehicle Database dialog are listed here, with the following being provided in the AASHTO ASD/LFD code:

  • H15-44
  • H20-44
  • HS15-44
  • HS20-44