A 4.5m simply supported rectangular reinforced concrete beam has a width of 300 mm, effective depth of 530 mm and total depth of 600 mm. The beam is to be reinforced with 20 mm diameter bars. The concrete strength fc' = 21 MPa and the steel yield strength fy = 275 MPa. The beam carries a 100-mm-thick concrete slab that is 4m wide. The unit weight of concrete is 24 kN/m3. Floor live load is 2.4 kPa. At ultimate condition, U = 1.2 DL + 1.6 LL 2.1 Calculate the factored moment * 2.2 Determine the governing steel ratio following the requirements of NSCP. * 2.3 Determine the minimum number of 20 mm diameter bars required for tension reinforcement.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A 4.5m simply supported rectangular reinforced concrete beam has a width of 300 mm, effective depth of 530 mm and total depth of 600 mm. The beam is to be reinforced with 20 mm diameter bars. The concrete strength fc' = 21 MPa and the steel yield strength fy = 275 MPa. The beam carries a 100-mm-thick concrete slab that is 4m wide. The unit weight of concrete is 24 kN/m3. Floor live load is 2.4 kPa. At ultimate condition, U = 1.2 DL + 1.6 LL

2.1 Calculate the factored moment *

2.2 Determine the governing steel ratio following the requirements of NSCP. *

2.3 Determine the minimum number of 20 mm diameter bars required for tension reinforcement.

 

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