Circle geometric constraint model for open-pit mine ore-matching and its applications  

作　　者：黄俊歆 王李管 熊书敏 徐少游 谭正华 王海桥 

机构地区：[1]School of Resources and Safety Engineering,Central South University [2]Department of Safety and Environment Engineering,Hunan Institute of Technology [3]School of Energy and Safety Engineering,Hunan University of Science and Technology

出　　处：《Journal of Central South University》2012年第9期2598-2603,共6页中南大学学报（英文版）

基　　金：Project(2011AA060407) supported by the National High Technology Research and Development Program of China;Project(51074073) supported by the National Natural Science Foundation of China

摘　　要：The circle geometric constraint model （CGCM） was put forward for resolving the open-pit mine ore-matching problems （OMOMP）. By adopting the approaches of graph theory, block model of blasted piles was abstracted into a set of nodes and directed edges, which were connected together with other nodes in the range of circle constraints, to describe the mining sequence. Also, the constructing method of CGCM was introduced in detail. The algorithm of CGCM has been realized in the DIM1NE system, and applied to a short-term （5 d） program calculation for ore-matching of a cement limestone mine in Hebei Province, China. The applications show that CGCM can well describe the mining sequence of ore blocks and its mining geometric constraints in the process of mining blasted piles. This model, which is applicable for resolving OMOMP under complicated geometric constraints with accurate results, provides effective ways to solve the problems of open-pit ore-matching.The circle geometric constraint model(CGCM) was put forward for resolving the open-pit mine ore-matching problems(OMOMP).By adopting the approaches of graph theory,block model of blasted piles was abstracted into a set of nodes and directed edges,which were connected together with other nodes in the range of circle constraints,to describe the mining sequence.Also,the constructing method of CGCM was introduced in detail.The algorithm of CGCM has been realized in the DIMINE system,and applied to a short-term(5d) program calculation for ore-matching of a cement limestone mine in Hebei Province,China.The applications show that CGCM can well describe the mining sequence of ore blocks and its mining geometric constraints in the process of mining blasted piles.This model,which is applicable for resolving OMOMP under complicated geometric constraints with accurate results,provides effective ways to solve the problems of open-pit ore-matching.

关 键 词：open-pit mine block model blasted-pile mining optimization linear programming mixed integer programming （MIP） 

分 类 号：TD804[矿业工程—矿山开采]