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elastic torsional buckling force (or stress)?

elastic torsional buckling force (or stress)?

elastic torsional buckling force (or stress)?

(OP)
Hi guys,

In AISC, AISI codes and all other of my available structural books I only see the formulas for elastic flexural buckling force. No elastic torsional buckling force formula was found. Can anybody help me to find the formula for elastic torsional buckling force (or stress)?

Thank you very much.  

RE: elastic torsional buckling force (or stress)?

Take a look at the equation for Fez in the AISC 13th edition.  This would be equation E4-11.  Essentially the same as E4-4.  Equation E4-3 is also a form of that equation, but where the Cw term is dropped.  

  

RE: elastic torsional buckling force (or stress)?

(OP)
JoshPlum:

Thank you very much.
 

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