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Assuming the concrete is uncracked, compute the bending stresses in the extreme fibers of the beam at M = 275 kN-m. Determine the cracking moments for the sections shown if f'c = 28 MPa. Compute the flexural stresses in the concrete and steel for the beams shown using the transformed- area method at M = 275 kN-m.

Assuming the concrete is uncracked, compute the bending stresses in the extreme fibers of the beam at M = 275 kN-m. Determine the cracking moments for the sections shown if f'c = 28 MPa. Compute the flexural stresses in the concrete and steel for the beams shown using the transformed- area method at M = 275 kN-m.

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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1. f = 8.42 MPa

2. Mcr= 121.0 kN-m

3. fconc= 10.42 MPafsteel= 197.22 MPaf’steel= 104.30 MPa

2-25 mm dia. 4-28 mm dia. 400 mm 70 mm 560 mm 700 mm 70 mm M = 275 kN m n=8
Transcribed Image Text:2-25 mm dia. 4-28 mm dia. 400 mm 70 mm 560 mm 700 mm 70 mm M = 275 kN m n=8
1. Assuming the concrete is uncracked, compute the bending stresses in the extreme fibers of the beam at M = 275 kN-m. 2. Determine the cracking moments for the sections shown if f'c = 28 MPa. 3. Compute the flexural stresses in the concrete and steel for the beams shown using the transformed- area method at M = 275 kN-m.
Transcribed Image Text:1. Assuming the concrete is uncracked, compute the bending stresses in the extreme fibers of the beam at M = 275 kN-m. 2. Determine the cracking moments for the sections shown if f'c = 28 MPa. 3. Compute the flexural stresses in the concrete and steel for the beams shown using the transformed- area method at M = 275 kN-m.
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