If sandy soil is tested in a directed shear box in the saturated condition, what will be the lateral force at failure if ϕ = 25° and the normal load is 26 N?
Given : Value of c for sandy soil = 0 and tan 25° = 0.466
1
25.20 N
2
12.12 N
3
14.17 N
4
20.22 N