prismatic beam having 250 mm x 500 mm is reinforced for flexure at the bottom with 5-ϕ20 mm with an effective depth of 420 mm. It is simply supported over a clear span of 6 m and designed to support a total factored uniformly distributed load of 32 kN/m over the entire span. Concrete weighs 24 kN/m3, Concrete strength f’c = 21 MPa and rebar strength fy = 280 MPa. 1. Determine the factored shear force at the critical section, distance "d" from the face of support . (A to D) 2. Determine the nominal concrete shear strenght in kN as per NSCP 2015. (E to H) 3. Determine the required spacing in mm of 10-mm-dia. stirrups
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A prismatic beam having 250 mm x 500 mm is reinforced for flexure at the bottom with 5-ϕ20 mm with an effective depth of 420 mm. It is simply supported over a clear span of 6 m and designed to support a total factored uniformly distributed load of 32 kN/m over the entire span. Concrete weighs 24 kN/m3, Concrete strength f’c = 21 MPa and rebar strength fy = 280 MPa. 1. Determine the factored shear force at the critical section, distance "d" from the face of support . (A to D) 2. Determine the nominal concrete shear strenght in kN as per NSCP 2015. (E to H) 3. Determine the required spacing in mm of 10-mm-dia. stirrups within the critical region of the beam. (I to L) |
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