Subsidence Control Design Method and Application to Backfill-Strip Mining Technology

Table 1

Size of each working surface.

Working face	Strike length (m)	Incline length (m)	Width of the residual coal pillar (m)
11501 backfilling working face	371	80	10
11502 caving mining working face	444/621	99	10
11503 backfilling working face	621/808	103	10
11504 caving mining working face	700/808	118	10
11505 backfilling working face	574/700	96	10
11506 caving mining working face	416/574	100	10