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Unformatted text preview: P y from s y P y A a 1 + ec r 2 sec a L e 2 r A P y EA bb s y 290 MPa Problem 11.6-11 A pinned-end column with length is constructed from a W 12 87 wide-flange shape (see figure). The column is subjected to centrally applied load and an eccentrically applied load .The load acts at distance from the centroid of the cross section. The properties of the steel are and . (a) Calculate the maximum compressive stress in the column. (b) Determine the factor of safety with respect to yielding. Probs. 11.6.11 and 11.6.12 s Y 36 ksi E 29,000 ksi s 5.0 in. P 2 P 2 75 k P 1 180 k * L 18 ft Wide-flange column P 2 P 1 s 11Ch11.qxd 9/27/08 3:39 PM Page 886...
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- Fall '11