Issue on Tapered Tube in define member property

[saruncivil]

Dear Creator’s

Tapered tube in define property members is not designed, can anyone please fix this problem in staad pro v8i. In which code the tapered tube member performs design. Bentley members or anybody faced this type of problem, please guide.

Warnings:

***STAAD.Pro WARNING***
MEMBER 348-DESIGN NOT PERFORMED WITH PRISMATIC PROPERTIES

Thank you

Arun S

 

[JoshPlumSE]

I'm curious what the design criteria would be? I'm not sure which steel specification covers the design of tapered tubes. Perhaps TIA-G standard. Is that what you're looking at? If so, then I don't think STAAD has that design code.