Concrete The relation between the modulus of rupture Fcr and 150 mm cube strength of concrete (Fck) is (in N/mm2) -

[Dnyan Deshmukh]

The relation between the modulus of rupture Fcr and 150 mm cube strength of concrete (Fck) is (in N/mm2) -

(a) Fcr = Fck/10

(b) Fcr = 0.35 x sqrt (Fck)

(c) Fcr = 0.7 x sqrt (Fck)

(d) Fcr = sqrt (Fck).

The correct Answer Is
(c) Fcr = 0.7 x sqrt (Fck)