T Beams - Moment of Resistance - Problem No 1

Determine the moment of resistance of a tee section
Width of the flange = 2000 mm
Depth of the flange = 120 mm
Width of the rib = 300 mm
Effective Depth = 750 mm
Area of steel = 6 bars of 25 ∅
Use steel of grade Fe 415 and concrete of grade M20