The rectangular beam shown in the figure is subjected to a factored moment Mu= 288 k-ft. ■ Calculate the cracking moment Mcr. ■ Using the transformed area method, determine the moment of inertia of the cracked section (/cr) ■ Calculate the flexural stresses fc, fs, and f's. Use normal weight concrete with f'c = 4000 psi and Ec= 3600 ksi, and Grade 60 steel (fy= 60,000 psi, Es = 29,000 ksi). Steel in 2.5" compression 3 #8 19" 4 #9 Steel in tension 12" 2.5" 24"

The rectangular beam shown in the figure is subjected to a factored moment Mu= 288 k-ft. ■ Calculate the cracking moment Mcr. ■ Using the transformed area method, determine the moment of inertia of the cracked section (/cr) ■ Calculate the flexural stresses fc, fs, and f's. Use normal weight concrete with f'c = 4000 psi and Ec= 3600 ksi, and Grade 60 steel (fy= 60,000 psi, Es = 29,000 ksi). Steel in 2.5" compression 3 #8 19" 4 #9 Steel in tension 12" 2.5" 24"

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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