Slice n Soil Type Area A (m2) Wi= A*γ (kN/m) Li (m) Ni zg Zi Ui c' ∅' tan ∅' Si Pi=1/2*γw*g*h (kN/m) X Y
1 silt 0 0 0 0 0 0 0 15 25 -0.133 0 0 0 0
2 clay silt 0 0 0 0 0 0 0 12 26 1.178 0 0 0 0
3 silt clay 2 37 1 0 0 0 0 13 26 1.178 13 0 13 37
4 clay silt 5 92.5 2 0 239.5 242.5 60 12 26 1.178 24 50 94.72 42.5
Fs =X/Y=  1.3550341 Σ 107.72 79.5
Table 2: Results of stability analysis.