A New Method for Predicting Ground Settlement Induced by Pipe Jacking Construction

Table 1

Basic physical and mechanical indexes of foundation soil layer.

Soil layer	Thickness (m)	Natural capacity (kg·m^−3)	Cohesive force (kPa)	Internal friction angle (°)	Modulus of compression (MPa)	Poisson’s ratio
Subgrade	0.80	1850	15.00	21.50	11.82	0.35
Mucky clay	2.10	1710	14.00	12.00	4.56	0.30
Clay stratum	6.20	1790	16.50	18.50	5.89	0.35
Clay silt	0.90	1830	8.00	31.00	7.29	0.37
Silty clay	8.00	1940	39.00	21.00	8.93	0.35
Silty soil	—	1970	2.00	32.50	11.82	0.38