Question

1) The A 36 steel W 8x31 vertical member shown in Figure 1 is used as a pin connected column at both ends. Let the cross-section area A 9.13 in2, 110 in, I 37.1 in, E -29E6 psi and o, 36,000 psi. Determine the following (10 points): 12 ft Figure 1 a) The critical load, Pc, with respect to buckling. b) The critical stress, ac, with respect to buckling Determine if this column will fail first due to yielding or buckling and prove why.

Answer 1

sill -fai /retaling or, buckeng ance Prove 우т.tr due-lo Given data 2X

So take minimum Value

pafe no:@ we Knoo δ EN- 56088 ,9668 Psí C) Load redteld by coumo 36000 X912 32-868012090 44o So hele applying lend, Column hoi l tag