A shear box test was performed to give the following results for a cohesive soil sample.
|
Result: |
(1) |
(2) |
|
Normal stress σ (kN/m2) |
150 |
250 |
|
Shear stress at failure τ (kN/m2) |
110 |
120 |
The value of c and tan ϕ are;
1
tan ϕ = 0.1 and c = 95 kN/m2
2
tan ϕ = 0.8 and c = 70 kN/m2
3
tan ϕ = 1.0 and c = 108 kN/m2
4
tan ϕ = 1.2 and c = 108 kN/m2