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A simply supported beam is reinforced with 4-28 mm Φ at the top of the beam. Steel covering to centroid of reinforcements is 70 mm at the top and bottom of the beam. the beam has a total depth of 400 mm and a width of 300 mm. fc' = 300 MPa, fy = 415 MPa. Balanced steel ratio ρb=0.031.
Determine the depth of compression block.
86.55
96.55
76.45
106.45
Answer:
96.55
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