Stress Analysis of CFG Pile Composite Foundation in Consolidating Saturated Mine Tailings Dam

Table 1

Geotechnical properties of CFG pile and soil layers [25].

Number	Material types	Modulus/MPa	Poisson’s ratio	Soil unit weight/(kN/m^3)	Cohesion/kPa	Angle of internal friction/(°)
1	CFG pile	1600	0.25	21.5	900	35
2	Saturated MTs	2	0.32	18.7	7	40
3	Loess	40	0.25	20	35	45
4	Gravel cushion	140	0.16	20	0	36
5	Subgrade filling	100	0.2	19	15	20