Research on the Temperature Field and Frost Heaving Law of Massive Freezing Engineering in Coastal Strata

Table 5

Material thermal physical parameters.

Material	Specific heat capacity; C (kJ·kg^−1·k^−1)		Thermal conductivity; K (w·m^−1·k^−1)		Enthalpy; H (×10^6 J m^−3)
	−30∼−3°C	0∼40°C	−30°C	40°C	−30°C	−3°C	0°C	40°C
Miscellaneous fill	1.30	1.50	1.40	1.10	0	63.8	187.8	269.6
Silt	1.70	1.90	1.49	1.31	0	71.6	415.0	504.7
Clay	1.48	1.68	1.67	1.44	0	72.7	294.0	386.1
Silty soil	1.54	1.76	1.82	1.23	0	67.2	389.8	473.6
Muddy sand	1.18	1.52	1.53	1.24	0	91.3	320.2	432.8
Tunnel segment	0.97		1.28		—