Finite Element Analysis of Surrounding Rock with a Thermal Insulation Layer in a Deep Mine

Table 1

Common thermophysical parameters of coal measure strata.

Parameters	Shale	Mudstone	Limestone	Unit
Conductivity coefficient	1.77	2.26	2.28	W/(m·°C)
Density	2570	2723	2679	kg/m^3
Specific heat	0.905	0.934	0.909	kJ/(kg·°C)