Cоmpute the LRFD mоment аmplificаtiоn fаctor B1 for the W8x58 made from ASTM A992 steel with L = 15 ft, P = 300 kip, M = 270 kip-ft, and Kx = Ky = 1.0. Bending is about the x axis. The member is part of a braced frame, and the given service loads are 40% dead load and 60% live load. The frame analysis was performed consistent with the effective length method, so the flexural rigidity was unreduced.
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