Question: ( b ) A rectangular beam section is 2 0 c m wide and 4 0 c m deep upto the center of tension steel,

(b) A rectangular beam section is 20cm wide and 40cm deep upto the center of tension steel, which consist of 4-20 mm bars. Find the position of the neutral axis, forces of compression and tension, cracking moment and safe moment of resistance. If concrete is of M20 mix and steel is of Fe 500 grade.
( b ) A rectangular beam section is 2 0 c m wide

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