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11. (10 points) Check to determine if a W14x159 used as a column can support an axial dead load of 250k and an axial live loa
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GIVEN DATA Properties of Steel section Column Section Gross area of cross section, Radii of gyration, W 14x159 A 46.7 in rx6.F cr43.952 ksi Therefore, critical stress, Hence, Design axial strength of column, 0.9 x 44 x 46.7 1847 kips NOT SAFE 1900 kiGIVEN DATA Properties of Steel section Column Section Gross area of cross section, Radii of gyration, W 14x145 A42.7 in2 rx6.Fcr= 48.139 ksi Therefore, critical stress Hence, Design axial strength of column, 0.9 x 48.14 x 42.7 = 1850 kips3) FOR w12x16, 4-71-3 (る) , 22 4.1325 7in 11.98

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