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Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A reinforced concrete beam section is 375 mm wide and 500 mm deep. The beam camies service live load of 105 kN-m and a service dead load of 210 kN-m. Use f'c= 21 MPa and fy = 415 MPa. If the compression steel is found necessary, the effective concrete cover to be used for the said bars will be 65 mm. At ultimate condition, U=1.2D+1.6L Use a strength reduction factor of 0.9. a) Detemine the required nominal design moment for the section in kN-m. b) Determine the mumber of pices of 28 mm diameter tension reinforcements required for the section. c) Determine the mumber of pieces of 28 mm diameter compression reinforcements required for the beam considering the effect of the concrete displaced by the bars."
Transcribed Image Text:A reinforced concrete beam section is 375 mm wide and 500 mm deep. The beam camies service live load of 105 kN-m and a service dead load of 210 kN-m. Use f'c= 21 MPa and fy = 415 MPa. If the compression steel is found necessary, the effective concrete cover to be used for the said bars will be 65 mm. At ultimate condition, U=1.2D+1.6L Use a strength reduction factor of 0.9. a) Detemine the required nominal design moment for the section in kN-m. b) Determine the mumber of pices of 28 mm diameter tension reinforcements required for the section. c) Determine the mumber of pieces of 28 mm diameter compression reinforcements required for the beam considering the effect of the concrete displaced by the bars."
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