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AD.2007-03.2.4 STP Parameter Added to AISC 360-05 Design

The AISC 360-05 design of wide flange depends on whether the section is formed from a rolled process or from plates welded together.

The parameter STP has been added to the list of parameters to indicate whether the section is built up from welded plates or from a rolling process. This is then used to determine the appropriate slenderness ratio as defined in table B44.1 from AISC 360-05. This parameter takes the following values:
  • 1. Rolled Section
  • 2. Built-up section
The default value is 1.0