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Item 2 A. Calculate the stress in the concrete at the top and bottom extreme fibers under a positive bending moment of 78 kip, in psi (neglect steel reinforcement) B. If f'c= 3200 psi and normal weight of concrete is used, does cracking occurs? What is the maximum uniformly distributed load the beam can carry if it is used as a simple beam with a 26 ft span without exceeding the modulus of rupture of the concrete, in lb/ft? 250 mm 80 mm 130 mm 80 mm 80 mm

Item 2 A. Calculate the stress in the concrete at the top and bottom extreme fibers under a positive bending moment of 78 kip, in psi (neglect steel reinforcement) B. If f'c= 3200 psi and normal weight of concrete is used, does cracking occurs? What is the maximum uniformly distributed load the beam can carry if it is used as a simple beam with a 26 ft span without exceeding the modulus of rupture of the concrete, in lb/ft? 250 mm 80 mm 130 mm 80 mm 80 mm

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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Item 2 A. Calculate the stress in the concrete at the top and bottom extreme fibers under a positive bending moment of 78 kip, in psi (neglect steel reinforcement) B. If f'c= 3200 psi and normal weight of concrete is used, does cracking occurs? What is the maximum uniformly distributed load the beam can carry if it is used as a simple beam with a 26 ft span without exceeding the modulus of rupture of the concrete, in lb/ft? 250 mm 80 mm 130 mm 80 min 80 mm
Transcribed Image Text:Item 2 A. Calculate the stress in the concrete at the top and bottom extreme fibers under a positive bending moment of 78 kip, in psi (neglect steel reinforcement) B. If f'c= 3200 psi and normal weight of concrete is used, does cracking occurs? What is the maximum uniformly distributed load the beam can carry if it is used as a simple beam with a 26 ft span without exceeding the modulus of rupture of the concrete, in lb/ft? 250 mm 80 mm 130 mm 80 min 80 mm
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