Research on Physical Similarity Simulation of Mining Uphill and Downhill at the Large-Angle Working Face

Table 2

Placement of the displacement sensor.

	First measuring line				Second measuring line
Measuring point number	1	2	3		4	5	6	7
Rock layers	Seventh	Thirteenth	Seventeenth		Seventh	Thirteenth	Seventeenth	Twenty-third
Distance from the left boundary(m)	93	105	109		181	181	189	193
Distance from the lower boundary (m)	103	129	156		73	103	121	169
	Third measuring line				Fourth measuring line
Measuring point number	8	9	10	11	12	13	14	15
Rock layers	Seventh	Thirteenth	Seventeenth	Twenty-third	Seventh	Thirteenth	Seventeenth	Twenty-third
Distance from the left boundary (m)	263	263	255	193	379	379	375	375
Distance from the lower boundary (m)	31	65	89	139	73	109	125	173