Question: A rectangular concrete beam has a width of 3 5 0 mm and an effective depth of 6 5 0 mm . It is reinforced

A rectangular concrete beam has a width of 350 mm and an effective depth of 650 mm. It is reinforced with five 28-mm diameter bars for tension only. Concrete strength is fc =24 MPa and steel yield strength fy=300 MPa.
a. Solve the depth of the rectangular compression stress block.
b. Solve the distance of the neutral axis from the extreme compression concrete.
c. Solve the ultimate moment capacity of the beam.

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