Question: A rectangular beam has a cross section of b = 4 0 cm , h = 5 0 cm , concrete cover 4 cm ,

A rectangular beam has a cross section of b =40 cm, h =50 cm, concrete cover
4 cm, reinforced with 5@16mm, fc'=28 MPa, fy =420 MPa. Find the nominal
strength Mn of the beam?

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