Steel Structure Design
A  B  C  D  ANS:A - Radius of gyration r =π(I/A). I= A*r^2. Critical load P=(π^2*EI)/l^2. Both sides division with "A". P/A = (π^2*EAr^2)/(A*l^2). P/A = critical stress. Critical stress= (π^2*E)/(l/r)^2. Share : |
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