Question 11.5: A steel wide-flange column of a W 14 × 82 shape (Fig. 11-29a...
A steel wide-flange column of a W 14 × 82 shape (Fig. 11-29a) is pin- supported at the ends and has a length of 25 ft. The column supports a centrally applied load P_{1} = 320 kips and an eccentrically applied load P_{2} = 40 kips (Fig. 11-29b). Bending takes place about axis 1–1 of the cross section, and the eccentric load acts on axis 2–2 at a distance of 13.5 in. from the centroid C.
(a) Using the secant formula, and assuming E = 30,000 ksi, calculate the maximum compressive stress in the column.
(b) If the yield stress for the steel is \sigma_{Y} = 42 ksi, what is the factor of safety with respect to yielding?
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