Table 5.

Field-measured subsidence and support resistance data.

Parameters		Original area			Pre-splitting area
		1#	2#	3#	4#	5#	6#
Roof subsidence (mm)	S1	1187	1252	1028	686	802	769
	S2	1068	1204	1146	749	766	693
	S3	1104	1097	1072	754	697	742
Support resistance (MPa)	S1	42.10	43.47	42.49	29.64	28.57	30.14
	S2	43.64	48.21	39.34	28.24	25.72	27.94
	S3	44.33	39.29	38.97	25.79	22.96	28.31