Effect Analysis of Steel Sheet Pile Supporting for Utility Tunnel Foundation Pit in Water-Rich Soft Soil

Table 3

Parameters of each layer of soil within the scope of the steel sheet pile.

Layer	Soil description	Bulk density γ (kN/m^3)	Effective cohesion (kPa)	Internal friction angle φ (°)
1-0	Mixed fill soil	18.5	10	10
1	Silty clay	18.07	27.7	14.1
2	Silt	16.51	14.6	10.4
3-1	Clay	18.82	34.4	15.7
3-2	Clay	18.15	28	14.4