Question: Using both LRFD and ASD methods, select the lightest satisfactory W - shape ( ASTM A 9 9 2 ) beam section for a simple
Using both LRFD and ASD methods, select the lightest satisfactory Wshape ASTM A beam section for a simple span of ft to carry the following working service loads: Point Dead Load of kips and an uplift Point Wind Load of kips at midspan of the beam. Beam selfweight is not included in the working loads and must be accounted for in the final section. Lateral bracing for the compression flange is provided at the beam ends and at midspan. Use the most appropriate lateraltorsional buckling modification factor Cb to calculate the effective moments and use Table in the AISC Manual to find the lightest WShape.
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