| 基于FLAC3D稳定性分析的残矿回采方案研究 |
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| 引用本文： | 邓红卫,郭旺,周科平,杜相会.基于FLAC3D稳定性分析的残矿回采方案研究[J].金属矿山,2011,40(12):18-21. |
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| 作者姓名： | 邓红卫 郭旺 周科平 杜相会 |
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| 作者单位： | 中南大学资源与安全工程学院 |
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| 基金项目： | 国家自然科学基金重大项目(编号:20090162110036); 中南大学前沿研究计划项目(编号:2010QZZD001) |
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| 摘 要： | 为了最大限度回收红透山铜矿浅部中段高品位矿柱，以-47 m中段残矿为研究对象，利用3D Mine软件建立了残矿三维模型，结合残矿形态及赋存条件提出了经济上合理、技术上可行的残矿回采方案，利用midas/gts和FLAC3D软件对残矿回收过程中矿柱的水平位移和最小主应力进行了模拟分析。分析表明红透山铜矿浅部中段残矿的回收宜采用中深孔落矿嗣后充填的采矿方法；回采过程中大部分矿柱是安全可靠的，但1#、9-1#、9-2#和10#间柱在回采模拟过程中会发生较大水平位移，可在采用一定安全措施的前提下对其进行回收，或留作永久矿柱不予回收。
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| 关 键 词： | 数值分析 稳定性 残矿回收 采矿方法 |
Residual Ore Mining Program Based on FLAC~(3D) Stability Analysis |
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| Deng Hongwei,Guo Wang,Zhou Keping,Du Xianghui.Residual Ore Mining Program Based on FLAC~(3D) Stability Analysis[J].Metal Mine,2011,40(12):18-21. |
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| Authors: | Deng Hongwei Guo Wang Zhou Keping Du Xianghui |
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| Affiliation: | School of Resources and Safety Engineering，Central South University; |
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| Abstract: | In order to maximized the recovery rate of high grade copper pillar in the Hongtoushan copper mine shallow middle segment,took residual ore in-47 m middle segment as study object,established the three-dimensional model of remnant by 3D Mine,combined with the morphology and occurrence conditions of residual ore,proposed a economy reasonable and technically feasible solution residual ore mining program,simulated and analyzed the horizontal displacement and the minimum principal stress of pillars during residu... |
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| Keywords: | Numerical analysis Stability Residual ore recovery Mining methods |
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