University of Northern Philippines, Ilocos Sur
CE-142
A rectangular beam reinforced for both tension and compression bars has an area of 1250𝑚𝑚2 for compression bars and 4032𝑚𝑚2 for tension bars. The tension bars are placed at a distance of 75𝑚𝑚 from the bottom of the beam while the compression bars are placed 62.5𝑚𝑚 from the top of the beam. 𝑓′𝑐 = 20.7 𝑀�
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University of Northern Philippines, Ilocos Sur
CE-142
A rectangular beam reinforced for both tension and compression bars has an area of 1250𝑚𝑚2 for compression bars and 4032𝑚𝑚2 for tension bars. The tension bars are placed at a distance of 75𝑚𝑚 from the bottom of the beam while the compression bars are placed 62.5𝑚𝑚 from the top of the beam. 𝑓′𝑐 = 20.7 𝑀𝑃𝑎, 𝑓𝑦 = 414.6 𝑀𝑃𝑎. Width of the beam is 350𝑚𝑚 with a total depth of 675𝑚𝑚. Use NSCP 2015.
a. Determine the depth of the compression block.
b. Determine the ultimate moment capacity of the beam.
c. Determine the safe live concentrated load that the beam could support at its midspan if it has a span of 6m. Assume weight of concrete to be 23.5𝑘𝑁/𝑚3. (Use factored load, NSCP 2015)
ENGINEERING & TECHNOLOGY
CIVIL ENGINEERING
CE 142
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