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

Table 3

The averaged values of setting pressure for 10 longwall panels.

Mine site	Average measured setting pressure (MPa)	Average measured setting load/shield load capacity	Average measured setting load density (MPa)
Daliuta-LW22304	23.74	0.5	0.87
Shangwan-LW12106	25.82	0.56	0.87
Bulianta-LW12520	23.77	0.48	0.85
Bulianta-LW22306	23.49	0.51	0.79
Bulianta-LW22307	23.42	0.51	0.79
Shangwan-LW12302	22.98	0.49	0.71
Buertai-LW 22202	25.03	0.56	0.63
Buertai-LW22106	21.85	0.48	0.59
Shangwan-LW22101	20.18	0.47	0.57
Cumberland-LW63, US	22.66	0.53	0.44