Advances in Civil Engineering

Research Article

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

Table 4

Monitoring data of top coal recovery under the condition of one cutting and one caving with single-sequence coal caving (“√” means the monitoring point has been recovered, “×” means the monitoring point has not been recovered).
Date1#2#3#4#5#6#7#8#9#10#
2018.11.31-3#√2-3#√3-3#√4-3#√5-3#√6-3#√7-3#√8-3#√9-3#√10-3#√
1-5#√2-5#√3-5#√4-5#√5-5#√6-5#√7-5#√8-5#√9-5#√10-5#√
1-6#√2-6#√3-6#√4-6#√5-6#√6-6#√7-6#√8-6#√9-6#√10-6#√
1-7#√2-7#√3-7#√4-7#√5-7#√6-7#√7-7#√8-7#√9-7#√10-7#√
1-8#√2-8#×3-8#√4-8#×5-8#√6-8#√7-8#√8-8#√9-8#√10-8#√
1-9#×2-9#×3-9#×4-9#×5-9#√6-9#×7-9#×8-9#×9-9#√10-9#√
Recovery0.930.810.930.811.000.930.930.931.001.00
Average recovery0.93
Date1#2#3#4#5#6#78#9#10#
2018.11.61-3#√2-3#√3-3#√4-3#√5-3#√6-3#√7-3#√8-3#√9-3#√10-3#√
1-5#√2-5#√3-5#√4-5#√5-5#√6-5#√7-5#√8-5#√9-5#√10-5#√
1-6#√2-6#√3-6#√4-6#√5-6#√6-6#√7-6#√8-6#√9-6#√10-6#√
1-7#√2-7#√3-7#√4-7#√5-7#√6-7#√7-7#√8-7#√9-7#√10-7#√
1-8#×2-8#√3-8#√4-8#√5-8#×6-8#√7-8#√8-8#√9-8#√10-8#√
1-9#×2-9#×3-9#×4-9#×5-9#×6-9#×7-9#×8-9#√9-9#√10-9#√
Recovery0.810.930.930.930.810.930.931.001.001.00
Average recovery0.93
Date1#2#3#4#5#
6#		7#
8#		9#
10#		5#
6#		7#
8#		9#
10#
2018.11.101-3#√2-3#√3-3#√4-3#√5-3#√6-3#√7-3#√8-3#√9-3#√10-3#√
1-5#√2-5#√3-5#√4-5#√5-5#√6-5#√7-5#√8-5#√9-5#√10-5#√
1-6#√2-6#√3-6#√4-6#√5-6#√6-6#√7-6#√8-6#√9-6#√10-6#√
1-7#√2-7#√3-7#×4-7#√5-7#√6-7#√7-7#√8-7#√9-7#√10-7#√
1-8#√2-8#√3-8#×4-8#√5-8#√6-8#√7-8#√8-8#√9-8#√10-8#√
1-9#×2-9#×3-9#×4-9#×5-9#√6-9#×7-9#×8-9#×9-9#√10-9#√
Recovery0.930.930.810.931.000.930.930.931.001.00
Average recovery0.94