New Insights into the Drill Cutting Characteristics and Fault Distribution in Gas-Containing Coal Seams

Table 2

Statistical analysis results of particle strength.

Sample	LL-1	LL-2	LL-3	SH-1	SH-2	SH-3	SH-4	SH-5
Average value	20.81	22.16	23.02	40.54	46.8	42.71	47.35	36.96
Median value	14.98	20.23	20.51	31.35	36.78	30.05	38.469	27.7
Deviation	18.09	14.51	14.29	31.97	30.92	39.5	35.31	29.77
Sample	YN-1	YN-2	YN-3	SH-6	SH-7	SH-8	SH-9	SH-10
Average value	31.05	33.05	38.39	36.4	37.15	43.05	45	44.85
Median value	26.65	30.44	32.39	26.09	31.25	30.51	42.26	28.68
Deviation	26.76	12.66	33.6	29.06	26.69	39.14	30.32	41