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Steel Structural Design

Girt & Purlin Design

Cold-formed steel purlins and girts, C and Z sections, per AISI S100 (ASD), with Components & Cladding wind pressures per ASCE 7 Chapter 30.

Girt & Purlin Design ⤢
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Key features

  • C&C wind pressures per <b>ASCE 7 Chapter 30</b>: GCp by effective area and zone, passed straight to the design tabs
  • 183 built-in C and Z sections, plus a thin-walled section-property calculator
  • Flexure (effective section, LTB), distortional buckling, shear, web crippling, interaction and deflection per <b>AISI S100</b>
  • Simple and 2–4-span continuous members, sag rods, R-factor method for through-fastened sheeting
  • Results update on every input change; save / open projects
  • Step-by-step Excel calculation report, SI units

System requirements

Windows