Refer to Figure 7.10. Given: H = 22 ft γ = 115 lb/ft3 φ ′ = 25°, c ′ = 250 b/ft2 and α...

Refer to Figure 7.10. Given: H = 22 ft γ = 115 lb/ft³ φ ′ = 25°, c ′ = 250 b/ft² and α = 10°. Calculate the Rankine active force per unit length of the wall after the occurrence of the tensile crack.

Figure 7.10

Figure 7.10