Design calculation for double angles as per the IS800-2007 is incorrect when Iy > Iz


 Applies To 
 Product:STAAD.Pro
First Affected Version:
 Found in Version:20.07.11.50
Released in Version:20.07.11.70
Environment:All
 Area: Design
Subarea:IS 800 2007
 Issue #:358709

Problem Description

The design of double angles as per IS800:LSD code is incorrect when Iy>Iz. The cross sectional properties for Y and Z axes got reversed due to which the design is being done incorrectly.

Steps to Reproduce

  1. Design a double angle section ( having Iy > Iz ) as per IS800-2007
  2. Check the Iy and Iz values reported in the analysis output file as part of design output.
  3. The values are reversed.

Workaround

None

Solution

This has been addressed in 20.07.11.70

See Also