According to IS : 456 -1978, the modulus of elasticity of concrete Ec (in N/mm2) can be taken as______________?
(A) Ec = = 5700
(B) Ec = = 570
(C) Ec = = 5700fck
(D) Ec = where fck N/mm2 = 700 is the characteristic strength in
According to IS : 456 -1978, the modulus of elasticity of concrete Ec (in N/mm2) can be taken as______________?
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