1. A W15018-shape rolled-steel beam is to be used for the structure shown in the following...

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1. A W150×18-shape rolled-steel beam is to be used for the structure shown in the following figure. For the rolled-steel, the maximum normal stress [] = 170 MPa and the maximum shear stress [7] = 100 MPa. Knowing d = 153 mm, t₁ = 5.8 mm, 1₂ = 9.2 x 10-6 m², S₂ = 1.2 x 10-4 m³, determine the allowable load F acting at the middle of the beam. A & 3 m bf tw F NA 3 m d B 1. A W150×18-shape rolled-steel beam is to be used for the structure shown in the following figure. For the rolled-steel, the maximum normal stress [] = 170 MPa and the maximum shear stress [7] = 100 MPa. Knowing d = 153 mm, t₁ = 5.8 mm, 1₂ = 9.2 x 10-6 m², S₂ = 1.2 x 10-4 m³, determine the allowable load F acting at the middle of the beam. A & 3 m bf tw F NA 3 m d B