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现代矿业 2018, Vol. 34 Issue (11) :69-72    DOI:
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内蒙古某铅锌矿采场结构参数优化
周富华1,2,徐学员1,徐宏伟1*
1.吉林板庙子矿业有限公司;2.内蒙古自治区第十地质矿产勘查开发院
Optimization of the Stope Structural Parameters of a Pb-Zn Mine in Inner Mongolia
Zhou Fuhua1,2,Xu Xueyuan1,Xu Hongwei1*
1.Jilin Banmiaozi Mining Co., Ltd;2.Institute of Inner Mongolia Autonomous Region Tenth Geological Mineral Exploration and Development

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摘要 内蒙古某矿山采用分段空场嗣后充填采矿法生产,为详细分析2种采场结构参数方案(矿柱长度分别为10 m和15 m)对应的采场稳定性情况,以位于矿区150 m水平、二采区范围内的矿房为研究对象,采用MIDAS-FLAC3D软件耦合建模数值模拟分析方法,讨论了不同矿柱长度下矿体上下盘及顶底板的应力、位移和塑性区的力学响应规律。研究表明:2种方案对应的采场稳定性良好,考虑到高效开采要求,推荐选择矿柱沿走向长度10 m、采场沿走向长度40 m、采场宽度20 m、阶段高度90 m为采场最佳结构参数。
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周富华
徐学员
徐宏伟
关键词分段空场嗣后充填采矿法   采场稳定性分析   数值模拟   矿柱长度   采场结构参数     
Abstract: Sublevel open stoping backfilling mining method is used in a Pb-Zn mine in Inner Mongolia,in order to effectively analyze the stope stability under the two stope structure parameterslength of ore pilllar is 10 m and 15 m),taking the chamber located in 150 m level and within No.2 mining area as an example,coupled modeling by MIDAS-FLAC3D software is done and some related numerical simulation analysis is conducted,so as to study the mechanical response regularity of stress,displacement and plastice zone of the upper and lower of orebody and roof and floor of orebody under different ore pillar lengths.The study results show that the stope stability corresponding to the two schemes are both good,by considering the requirement of efficient mining,the optimal stope structural parameterslength of ore pillar is 10 m along the striking direction,length of stope is 40 m along the striking direction,width of stope is 20 m and height of section is 90 m) are given.
KeywordsSublevel open stoping backfilling mining method   Stability analysis of stope   Numerical simulation   Length of ore pillar   Stope structure parameter     
引用本文:   
周富华, 徐学员, 徐宏伟.内蒙古某铅锌矿采场结构参数优化[J]  现代矿业, 2018,V34(11): 69-72
ZHOU Fu-Hua, XU Xue-Yuan, XU Hong-Wei.Optimization of the Stope Structural Parameters of a Pb-Zn Mine in Inner Mongolia[J]  Modern Mining, 2018,V34(11): 69-72
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