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STRUCTURE DESIGN ON STAAD

STRUCTURE DESIGN ON STAAD

STRUCTURE DESIGN ON STAAD

(OP)
HELLO

I M DESIGNING A STRUCTURE. I MADE THE WHOLE SYSTEM OF BEAMS/COLUMNS/NODES ACCORDING TO MY NEEDS. THEN I ASSIGNED THEM PROPERTY ACCORD TO AISC. AFTER APPLYING LOADS NOW I WANT TO ANALYSE THE STRUCTURE. BUT THE PROBLEM I M FACING IS:

1. I DONT KNOW HOW TO ASSIGN VALUES OF FACTORS DEPENDING ON END CONNECTIONS LIKE KZ(FOR COLUMNS ETC) FOR FAILURE CRITERIA.

2. I M NOT SURE THAT W/O GIVING THE VALUES OF THESE FACTORS MY STRUCTURE CAN SAVE FAILURE CRITERIA.

WAITING FOR REPLY.

THANKS

RE: STRUCTURE DESIGN ON STAAD

See the steel frame examples provided by STAAD.  You need understand how do design a steel column by hand before you plug in a bunch of values with STAAD.

RE: STRUCTURE DESIGN ON STAAD

I agree with Str04, if you don't know how to assign K factors by hand then you shouldn't be letting a program do the design.  It's encouraging that you realize its important.  Some people just hit the "design" button and let the program choose the K factors.

There's a figure called an alignment chart in AISC that enables you to compute K factors.  Before using it you need to understand the concept of sway, i.e.; can the joint translate?

It sounds like you need to have a professional structural engineer look at this.

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