Mechanical Characteristics of Coal and Rock in Mining under Thermal-Hydraulic-Mechanical Coupling and Dynamic Disaster Control

Table 1

Partial drilling ground temperature data.

Hole number	Hole depth (m)	Bottom rock temperature (°C)	Geothermal gradient (°C·hm^−1)
16-4	874.3	44.9	3.7
16-6	833.38	46.1	3.6
20-4	910.45	50.2	3.8
847	906.46	51.8	4
23-14	1034.49	52.7	3.4