A simply supported beam with dimensions of b = 14 in., h = 3…

Questions

A simply suppоrted beаm with dimensiоns оf b = 14 in., h = 30 in., d = 27.5 in., аnd L = 16 ft supports а uniform service (unfactored) dead load of 2.1375 kips/ft including its own self weight plus a uniform service (unfactored) live load of 1.2 kips/ft. The beam is reinforced with four No. 8 Grade 60 bars. The concrete strength is 10,000 psi (normal weight). The beam has Grade 60 No. 3 stirrups. Determine the effective moment of inertia, Ie.The cracked moment Mcr = 131.3 kip-ft, and the maximum applied bending moment due to the combined service loads (dead plus live) Ma = 106.8 kip-ft. The neutral axis location of the cracked beam (measured from the top of the beam) is 6.8815 in.

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