The Relationship between Mining-Induced Stress and Coal Gas under an Optimized Support Scheme: A Case Study in the Guanyinshan Coal Mine, China

Table 10

Monitoring results of residual gas pressure.

Time	Residual gas pressure (MPa)
	W1	W2	W3	W4	W5
13/11/18	0.10	0.04	0.04	0.05	0.06
25/11/18	0.12	0.07	0.05	0.07	0.07
27/11/18	0.12	0.06	0.06	0.07	0.06
28/11/18	0.12	0.06	0.06	0.07	0.06
14/12/18	0	0.07	0.06	0.07	0.06
16/12/18	0	0.07	0.06	0.07	0.06
18/12/18	0	0.07	0.06	0.07	0.05
20/12/18	0	0.06	0.06	0.07	0.05
22/12/18	0	0.06	0.06	0.07	0.05
24/12/18	0	0.06	0.06	0.07	0.04
26/12/18	0	0.06	0.04	0.07	0.04
5/01/19	0	0.03	0.03	0.07	0.04
7/01/19	0	0.03	0	0.07	0.04
9/01/19	0	0.03	0	0.07	0.04
11/01/19	0	0.02	0	0.07	0.04
13/01/19	0	0.02	0	0.07	0.04
17/01/19	0	0.02	0	0.06	0.04
18/01/19	0	0.02	0	0.05	0.04
20/01/19	0	0.02	0	0.05	0.04
22/01/19	0	0.01	0	0.05	0.04
24/01/19	0	0.01	0	0.05	0.04
26/01/19	0	0.01	0	0.05	0.04
8/02/19	0	0.01	0	0.05	0.04
10/02/19	0	0.01	0	0.05	0.04
12/02/19	0	0.01	0	0.05	0.03
14/02/19	0	0.01	0	0.05	0
16/02/19	0	0.01	0	0.05	0