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A 6.0m long simply supported reinforced concrete beam has a width of 350mm and an overall depth of 470mm. The beam is reinforced with 2 - 28mm dia. compression bars on top and 4 28mm dia tenrion barr at the

A 6.0m long simply supported reinforced concrete beam has a width of 350mm and an overall depth of 470mm. The beam is reinforced with 2 - 28mm dia. compression bars on top and 4 28mm dia tenrion barr at the

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 6.0m long simply supported reinforced concrete beam has a width of 350mm and an overall depth of 470mm. The beam is reinforced with 2 - 28mm dia. compression bars on top and 4- 28mm dia. tension bars at the bottom, each located 70mm from the extreme concrete fiber. Concrete strength f'c 20.7 MPa and steel yield strength fy = 415 MPa. Determine the following, (A). Depth of compression block assuming both tension and compression steel yields. (B). What is the ultimate moment capacity of the beam in kN.m? (C). Determine the additional concentrated liveload that can be applied at midspan if the deadload including the weight of the beam is 20 kN/m.
Transcribed Image Text:A 6.0m long simply supported reinforced concrete beam has a width of 350mm and an overall depth of 470mm. The beam is reinforced with 2 - 28mm dia. compression bars on top and 4- 28mm dia. tension bars at the bottom, each located 70mm from the extreme concrete fiber. Concrete strength f'c 20.7 MPa and steel yield strength fy = 415 MPa. Determine the following, (A). Depth of compression block assuming both tension and compression steel yields. (B). What is the ultimate moment capacity of the beam in kN.m? (C). Determine the additional concentrated liveload that can be applied at midspan if the deadload including the weight of the beam is 20 kN/m.
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