Shield-Roof Interaction in Longwall Panels: Insights from Field Data and Their Application to Ground Control

Table 1

Profile of study panels.

Longwall panel	Cover depth (m)	Panel width (m)	Mining height (m)	Shield capacity (t)	Yield pressure (MPa)	Shield-supporting density (MPa)
Yongcheng-LW203	406	189	2.9	400	41	0.7
Cumberland-LW63	265–335.3	470	2.1	900	43	0.847
Daliuta-LW22304	154–164	260.8	4.1	1500	47.2	1.731
Buertai-LW 22202	240–320	260.5	2.7	1020	45	1.151
Buertai-LW22106	322–342	219.6	3.2	1200	45.8	1.242
Bulianta-LW12520	295–305	330	4.3	2000	50	1.782
Shangwan-LW12302	295.3	287	4.5	1200	47.2	1.449
Emerald LW47	201	312	2.1	900	43	0.847
Shangwan-LW22101	75–100	316.6	6.1	1080	43	1.213
Shangwan-LW12106	99–119	298	6.8	1800	45.8	1.544
Bulianta-LW22306	130–145	311	6.8	1800	45.8	1.544
Bulianta-LW22307	255–275	301	6.8	1800	45.8	1.544