Consolidation Theory for a Stone Column Composite Foundation under Multistage Loading

Table 1

Parameters of the soil profile of section .

Soil layers	Thickness/m	Soil state	Compression modulus/MPa	Compressibility/MPa^−1	Void ratio	Permeability coefficient/m⋅d^−1
1, mild clay	0.5	Soft plastic or flow plastic	3.5	0.53	0.697
2, clayey silt	1.0	Soft plastic	4.4	0.39	0.729
3, mild clay	1.5	Soft plastic or flow plastic	3.5	0.53	0.697
4, clayey silt	5.0	Soft plastic	4.4	0.39	0.729