Question

A double reinforce beam has a cross section 40cm×60cm and provided with steel bar 6 and 3 in numbers in tensile and compressive sides respectively. The bar are 2.2cm diameter. Find the moment of resistance and the external load per meter run . Take compressive cover as 7.5cm , m=18, c=48kg/cm² and span= 9.2m.

(note ; we have exam right now please help)????as soon as.possible))

Answer 1