PROBLEM NO. 2 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 20mmø bars. The concrete strength fe 21 MPa and the steel yield strength fy = 275 MPa. The beam carries a pre-cast 100- mm-thick concrete slab that is 4 m wide. The unit weight of concrete is 24 kN/m3. Floor live load is 2.4 kPa. At ultimate condition, U = 1.2D + 1.6L. 1. Calculate the factored moment. 2. Determine the governing steel ratio following the requirements of NSCP. 3. Determine the minimum number of 20mmo bars required as tension reinforcement.
PROBLEM NO. 2 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 20mmø bars. The concrete strength fe 21 MPa and the steel yield strength fy = 275 MPa. The beam carries a pre-cast 100- mm-thick concrete slab that is 4 m wide. The unit weight of concrete is 24 kN/m3. Floor live load is 2.4 kPa. At ultimate condition, U = 1.2D + 1.6L. 1. Calculate the factored moment. 2. Determine the governing steel ratio following the requirements of NSCP. 3. Determine the minimum number of 20mmo bars required as tension reinforcement.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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