A prismatic beam having 275 mm x 500 mm is reinforced for flexure at the bottom with 5-ϕ16 mm with an effective depth of 420 mm. It is simply supported over a span of 6 m and designed to support uniformly distributed load over the entire span. Concrete weighs 24 kN/m3, Concrete strength f’c = 21 MPa and rebar strength fy = 280 MPa. 1. Determine the resulting depth of the uniform rectangular stress block in mm when the beam section reaches utlimate stage. 2. Determine the nomina moment strength in kN/m of the beam section as per NSCP 2015. 3. Determine the factored uniform load in kN/m the beam can sustain in addition to its factored self weight.
A prismatic beam having 275 mm x 500 mm is reinforced for flexure at the bottom with 5-ϕ16 mm with an effective depth of 420 mm. It is simply supported over a span of 6 m and designed to support uniformly distributed load over the entire span. Concrete weighs 24 kN/m3, Concrete strength f’c = 21 MPa and rebar strength fy = 280 MPa. 1. Determine the resulting depth of the uniform rectangular stress block in mm when the beam section reaches utlimate stage. 2. Determine the nomina moment strength in kN/m of the beam section as per NSCP 2015. 3. Determine the factored uniform load in kN/m the beam can sustain in addition to its factored self weight.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A prismatic beam having 275 mm x 500 mm is reinforced for flexure at the bottom with 5-ϕ16 mm with an effective depth of 420 mm. It is simply supported over a span of 6 m and designed to support uniformly distributed load over the entire span. Concrete weighs 24 kN/m3, Concrete strength f’c = 21 MPa and rebar strength fy = 280 MPa.
1. Determine the resulting depth of the uniform rectangular stress block in mm when the beam section reaches utlimate stage.
2. Determine the nomina moment strength in kN/m of the beam section as per NSCP 2015.
3. Determine the factored uniform load in kN/m the beam can sustain in addition to its factored self weight.
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