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AASHTO Specific Parameters

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

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