Performance of Prestressed Anchor Cables Supporting Deep Foundation Pit of a Subway Station during Spring Thaw

Table 3

Material parameters.

Serial number		Density /(kg/m^3)	Poisson’s ratio	Elasticity modulus /MPa	Conductivity /[W/(m·K)]	Specific heat /[J/(kg·K)]	Permeability /(m/s)	Internal friction angle/°	Cohesion force/kPa
No.	1	1850	0.30	10	1.61	1510	2.0E-6	24.1	39.94
	2	1950	0.30	25.2	1.62	1520	3.6E-6	24.1	52.56
	3	1980	0.29	27.2	1.44	1670	5.8E-6	27.8	54.89
	4	2020	0.26	46.8	1.71	1440	4.6E-6	27.8	65.45
	5	1970	0.25	40	1.55	1250	5.8E-5	29.5	52.87
	6	2110	0.24	120	1.37	1060	3.5E-6	44.5	105.55
	7	2130	0.21	160	1.42	1120	9.7E-6	54.8	243.32
Underground diaphragm wall		2500	0.2	31000	1.74	920	—	—	—