5MEDHURST T, BROWN E. A study of the mechanical be- havior of coal for pillar design[J].International Journal of Rock Mechanics and Mining Sciences, 1998, 35 (8):1087- 1105.
6SEIB W. Highwall mining possibilities iu Aumralia[J]. Bull Proc Australas Inst Min Metall, 1989,294: 31-33.
7SCHMID M, KNISSEL W. Highwall Mining High wall Mining of Coal Part 1: Foundation and State of the Art of Mining Systems[J]. Braunkohle-Surface Mining, 2001,53 (1) :53-62.
8O'HAGAN G. Highwall Mining: The Way Ahead The Ad dear [TM] Highwall Mining System [ J]. AUSTRALIAN COAL REVIEW, 1997(11) -. 12-16.