Numerical Simulation Study of the Strata Movement Rule of Deep Mining with the Super-Thick and Weak Cementation Overburden: A Case Study in China

Table 1

Goaf parameters of deep coal mine.

Working face	Mining	Advancing	Mining	Mining	Loose (m)	Bedrock ply (m)
	Width (m)	Length (m)	Height (m)	Depth (m)
Ba311101∼Ba311103	810	2600	5.3	650	118	532
Na31101	240	3030	5.5	650	78	572
Y2201	300	1800	6.0	725	45	680
T1302	210	1560	3.6	960	212	748
T1301	215	1320	3.4	1000	212	788
T1301∼T1302	420	1440	3.5	1000	212	788
T1304	150	1457	4.9	910	212	698
T1305	130	1540	4.9	920	212	708
T2307	210	1320	3.6	865	212	653
T4305	120	1255	3.1	1040	212	828
T2307∼T2310	825	1263	4.1	825	212	613
T5301∼T5303	510	1541	4.8	965	212	753