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a) If the beam is to be designed for a balance condition, find the required area of steel reinforcement, design balanced moment, and the corresponding service live load moment. b) Find the maximum steel area, the maximum design moment, and the corresponding service live load moment if the beam is to be desined as singly reinforced.

a) If the beam is to be designed for a balance condition, find the required area of steel reinforcement, design balanced moment, and the corresponding service live load moment. b) Find the maximum steel area, the maximum design moment, and the corresponding service live load moment if the beam is to be desined as singly reinforced.

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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3. A reinforced concrete beam has the following properties: Beam width, b-320 mm Effective depth, d-640 mm Concrete strength, fc- 25 MPa Reinforcing steel, fy-400 MPa Reinforcing steel modulus, Es=200,000 MPa Service dead load moment-350 kN-m a) If the beam is to be designed for a balance condition, find the required area of steel reinforcement, design balanced moment, and the corresponding service live load moment. b) Find the maximum steel area, the maximum design moment, and the corresponding service live load moment if the beam is to be desined as singly reinforced. ANSWERS: A,-5,549mm2, pM bn = 687.87 kN.m, M 167.42 kN – m A, mar-3,963mm2, M, max = 677.7 kN. m, M = 161 kN - m
Transcribed Image Text:3. A reinforced concrete beam has the following properties: Beam width, b-320 mm Effective depth, d-640 mm Concrete strength, fc- 25 MPa Reinforcing steel, fy-400 MPa Reinforcing steel modulus, Es=200,000 MPa Service dead load moment-350 kN-m a) If the beam is to be designed for a balance condition, find the required area of steel reinforcement, design balanced moment, and the corresponding service live load moment. b) Find the maximum steel area, the maximum design moment, and the corresponding service live load moment if the beam is to be desined as singly reinforced. ANSWERS: A,-5,549mm2, pM bn = 687.87 kN.m, M 167.42 kN – m A, mar-3,963mm2, M, max = 677.7 kN. m, M = 161 kN - m
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