Stability Analysis of a Slope considering Two Reinforcement Processes

Table 1

Material parameters.

Layers	Density (kg/m^3)	Cohesion (kPa)	Friction angle (°)	Bulk modulus (MPa)	Shear modulus (MPa)
Quaternary soil	1900	18.5	14.7	2.0	1.1
Serious weathered limestone	2100	70	28	25	15
Peat layer	1950	4.7	10.9	1.5	0.7
Moderate weathered limestone	2200	200	30	867	550
Carbonaceous shale	2060	65	21.5	23.5	14.5
Slightly weathered sandstone	2250	800	35	1700	1150
Pile (1)	2500	920	38	5130	3850
Pile (2)	2500	920	38	4167	3125
Retaining wall	2400	820	36	18000	11600
Contacts	(MPa/m)	(MPa/m)	Friction angle (°)	(kPa)
Between quaternary soil and serious weathered limestone	57.78	57.78	14.7	18.5
Between serious weathered limestone and peat layer	24.33	24.33	10.9	4.7
Between the peat layer and moderate weathered limestone	24.33	24.33	10.9	4.7
Between moderate weathered limestone and carbonaceous shale	214.17	214.17	21.5	65
Between carbonaceous shale and slightly weathered sandstone	214.17	214.17	21.5	65