Table 8: Summarized data required for constructing lower bound and upper bound of RS-FEM for Basic condition.

Basic variables: Cohesion of 3rd layer (kPa), Friction angle of 3rd layer (°), Elasticity modulus of 3rd layer (MPa)
Set number		1	2	3	4	5	6	7	8
Probability of Happening		0.125	0.125	0.125	0.125	0.125	0.125	0.125	0.125
Cumulative Probability		0.125	0.25	0.375	0.5	0.625	0.75	0.875	1
Horizontal Displacement (mm)	Lower Bound	34	35	37	38	39	40	44	44
	Upper Bound	103	119	126	138	145	165	168	220
Coordinate	Lower Bound	(34,0.125)	(35,0.25)	(37,0.375)	(38,0.5)	(39,0.625)	(40,0.75)	(44,0.875)	(44,1)
	Upper Bound	(103,0.125)	(119,0.25)	(126,0.375)	(138,0.5)	(145,0.625)	(165,0.75)	(168,0.875)	(220,1)