A large-horizontal and gently inclined coal mine is usually divided into several mining areas and is mined in one surface coal mine area at a time in proper order. The difficulties of connecting the old and new mining areas consist of the steering transition mode selection, the connecting position determination, the layout of the pit haulage system and the assignment of engineering. In this paper, three kinds of steering transition programs are analyzed and compared to determine a steering angle gentle slope transition program. In the determination of the next mining engineering location, the SMCAD software is used for 3D geological modeling, with interactive design of working slope, and the engineering position is simulated, with accurate calculation of quantities accordingly; four kinds of two section connecting scheme are proposed, considering the production stripping ratio and the mining transition time to finally establish the mining transition scheme.
LIU Guangwei
,
LI Chengsheng
,
YU Yuan
. Mining Area Connection Scheme in Surface Coal Mine[J]. Science & Technology Review, 2014
, 32(1)
: 59
-64
.
DOI: 10.3981/j.issn.1000-7857.2014.008
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