steel design per aisc 15th edition steel manual now available

Steel Design per AISC 15th Edition Steel Manual now Available

The new AISC 360-16 15th Edition changes have been implemented into RISA-3D v17.0 and RISAFloor v13.0.

Specification for structural steel buildings a360 16

To select this code for your design, simply choose them from the Codes tab within the Model Settings.


A few notable changes in RISA between the 14th Edition and 15th Edition of the AISC code include:

  • Updated shape database

  • Updated slenderness ratio limits

  • Updated method to calculate b for the Direct Analysis Method stiffness reduction

  • Revised method of calculating effective area for slender compression elements

  • Brand new check for lateral-torsional buckling on rectangular HSS members