ABSTRACT
If we assume that the mean modulus of rupture is 8 ′fc (which is certainly plausible given the data in Figure 5.6) and the effective depth d is 0.7 × the height of the section,
Cracking moment = ⋅ ⋅ = ⋅ ⋅16 1 6 0 7
b h f b d
r .
If we assume that the mean modulus of rupture is 8 ′fc (which is certainly plausible given the data in Figure 5.6) and the effective depth d is 0.7 × the height of the section,
Cracking moment = ⋅ ⋅ = ⋅ ⋅16 1 6 0 7
b h f b d
r .