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中文摘要: 某地下矿山由于采用固定的采场结构参数,导致开采过程中采场结构不能适应开采应力环境的变化,采场顶板及围岩垮冒现象时有发生,给井下生产带来了严重的安全隐患。根据矿山的矿体赋存特征和开采技术条件,采用3D-σ有限元分析软件对矿山可能采用的四种采场结构参数方案,在不同埋藏深度时的稳定性进行了数值模拟研究,获得了不同埋藏深度时的最佳采场结构参数,为矿山的采场结构设计提供了理论支撑。
Abstract:Due to the fixed stope structure parameters of an underground mine, the stope structure can not adapt to the change of stress environment during the mining process. The roof and surrounding rock caving phenomenon occurred frequently, which brought serious hidden dangers to underground production.Based on the ore body occurrence characteristics and mining technical conditions of the mine, the 3D-σ finite element analysis software was used to simulate the stability of the four stope structure parameters schemes of the mine. The stability of the four stope structural parameters schemes at different burial depths is numerically simulated, and the optimum stope structural parameters at different burial depthswere obtained, which can provide theoretical support for the stope structural design of the mine.
keywords: stope structural parameters stability three-dimensional finite element method numerical simulation
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基金项目:
作者 | 单位 |
欧任泽1,2 | (1. 长沙矿山研究院有限责任公司,长沙 410012; 2. 国家金属采矿工程技术研究中心,长沙 410012; 3. 四川里伍铜业股份有限公司,四川 甘孜626201) |
何立夫3 | (1. 长沙矿山研究院有限责任公司,长沙 410012; 2. 国家金属采矿工程技术研究中心,长沙 410012; 3. 四川里伍铜业股份有限公司,四川 甘孜626201) |
引用文本:
欧任泽1,2,何立夫3.基于3D-σ有限元法的采场结构参数优化[J].有色金属(矿山部分),2019,71(4):5-11.
OU Renze1,2,HE Lifu3.Optimization of stope structure parameters based on 3D-σ finite element method[J].NONFERROUS METALS(Mining Section),2019,71(4):5-11.
欧任泽1,2,何立夫3.基于3D-σ有限元法的采场结构参数优化[J].有色金属(矿山部分),2019,71(4):5-11.
OU Renze1,2,HE Lifu3.Optimization of stope structure parameters based on 3D-σ finite element method[J].NONFERROUS METALS(Mining Section),2019,71(4):5-11.