12-130. The A992 steel beam and rod are used to support the load of 8 kip. If it is required that the allowable normal stress for the steel is s allow = 18 ksi, and the maximum deflection not exceed 0.05 in., determine the smallest diameter rod that should be used. The beam is rectangular, having a height of 5 in. and a thickness of 3 in. | |
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