I'm designing a steel shelter by portal frame with the span of 27 meter. Because the column is tapered section, I defined the member by "Tapered I".
If I use "CODE AISC UNIFIED 2005" for code checking, the design work by staadpro is ok. But If I use "CODE AISC UNIFIED 2010", there will be "WARNING: DESIGN OF SECTION FOR MEMBER # xx IS NOT SUPPORTED." and the warning members are the tapered columns.
I also tried to define a user table ISECTION for this, but the same thing happened. The tapered section can be disigned by AISC05 but not supported by AISC10.
I use "method LRFD". How can I make it if I want to use AISC10 for design?
The design of tapered sections is not implemented for AISC 360-10 design code in STAAD.Pro yet.
Could you update me the status of tapered section element design in Staad.Pro now? which one is it referred to?
AISC 360-16 design code can design tapered sections in the most recent STAAD.Pro CONNEC Edition version 22.01.00.39.
AISC 360-16 referred to AISC design guide 25 for web tapered members. So does it means that Staad.Pro is designing the tapered members in accordance with AISC design guide 25? Thanks.