Several minor enhancements have been made to STAAD.Pro regarding steel design per the SNiP 2.23-81 code.

The following corrections and enhancements were made to the SNiP 2.23-81 steel design code implementation in STAAD.Pro:

• PHI and NIU factors messages extensions explaining different design results cases
• Additional bending check for non axial compression/ tension with small eccentricity
• Compressed steel member design by weakened section
• Full Check by combinations envelope for different sections of each steel member. Print of Analysis results for each member section
• Additional parameters for Steel grade by EС3 in EN 10025-2 steel tables
• Correction of other minor bugs and errors