Analysis and Engineering Practice of Factors Affecting Top-Coal Recovery in a Large Dip Coal Seam

Table 3

Distribution of measuring points on different monitored sections.

Section number	Point position
	3 m	5 m	6 m	7 m	8 m	9 m	Installation location (the number of hydraulic supports)
1#	1-3#	1-5#	1-6#	1-7#	1-8#	1-9#	10#
2#	2-3#	2-5#	2-6#	2-7#	2-8#	2-9#	20#
3#	3-3#	3-5#	3-6#	3-7#	3-8#	3-9#	30#
4#	4-3#	4-5#	4-6#	4-7#	4-8#	4-9#	40#
5#	5-3#	5-5#	5-6#	5-7#	5-8#	5-9#	50#
6#	6-3#	6-5#	6-6#	6-7#	6-8#	6-9#	60#
7#	7-3#	7-5#	7-6#	7-7#	4-8#	7-9#	70#
8#	8-3#	8-5#	8-6#	8-7#	8-8#	8-9#	80#
9#	9-3#	9-5#	9-6#	9-7#	9-8#	9-9#	90#
10#	10-3#	10-5#	10-6#	10-7#	10-8#	10-9#	100#