A bearing plate is to be designed for a W21x62, A36 steel beam that will sit on a reinforced concrete wall (fc=21 MPa) 200 mm thick. The bearing plate material has Fy = 345 MPa. The end reactions are a service dead load of 150 kN and live load of 300 kN. Determine the following using LRFD: 1. Minimum length of bearing plate to prevent web yielding, N =_________? mm. Round up by 10 mm or 25 mm. 2. Required minimum width and thickness of the bearing plate calculated assuming it is positioned at the center of the concrete wall. Use length N= 150 mm. B= _______? mm. Round up by 10 mm or 25 mm. 3. Required thickness of the bearing plate if B = 300 mm, N = 200 mm. t =________?. mm. Round up to the nearest whole
A bearing plate is to be designed for a W21x62, A36 steel beam that will sit on a reinforced concrete wall (fc=21 MPa) 200 mm thick. The bearing plate material has Fy = 345 MPa. The end reactions are a service dead load of 150 kN and live load of 300 kN. Determine the following using LRFD:
1. Minimum length of bearing plate to prevent web yielding, N =_________? mm. Round up by 10 mm or 25 mm.
2. Required minimum width and thickness of the bearing plate calculated assuming it is positioned at the center of the concrete wall. Use length N= 150 mm. B= _______? mm. Round up by 10 mm or 25 mm.
3. Required thickness of the bearing plate if B = 300 mm, N = 200 mm. t =________?. mm. Round up to the nearest whole
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