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Doubly reinforced beam example

Example: Q) Find the moment of resistance (Mu) of the beam for the following data given below: Width of beam (b) = 250 mm. Effective depth of beam (d) = 360 mm. Effective cover (d’) = 40 mm. Grade of concrete is M 20. Grade of steel is fe 415. Steel used is 3-16 mm ɸ bars. Solution: From given, B = 250 mm. d = 360 mm. d’ = 40 mm. f ck = 20 N/mm 2. f y = 415 N/mm 2