Influence of Both Soil Properties and Geometric Parameters on Failure Mechanisms and Stability of Two-Layer Undrained Slopes

Table 1

The computed FS and failure mechanisms of the slope for the case of D = 1.5 and cotβ = 1.5.

cu2/cu1	FEM		LEM
	FS	Mechanisms	FS	Mechanisms
0.50	0.647	Deep	0.647	Deep
0.80	0.845	Deep	0.851	Deep
1.00	0.956	Deep	0.967	Deep
1.10	1.054	Deep	1.060	Deep
1.20	1.123	Deep	1.130	Deep
1.40	1.190	Two	1.185	Two
1.50	1.190	Shallow	1.185	Shallow
1.60	1.190	Shallow	1.185	Shallow
1.80	1.190	Shallow	1.185	Shallow
2.00	1.190	Shallow	1.185	Shallow
2.50	1.190	Shallow	1.185	Shallow
3.00	1.190	Shallow	1.185	Shallow