Numerical Simulation of Fluid-Solid Coupling in Surrounding Rock and Parameter Optimization for Filling Mining

机译：灌装采矿周边岩石和参数优化中流体固体耦合的数值模拟

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In order to investigate the feasibility of backfill mining method and the optimal parameters of mining design in southern district of Sijiaying iron mine, where quaternary aquifer existed, an optimized mining model was established through seepage-stress coupling orthogonal experiment. It obtained the effect of underground mining on ground rock movement rules and the seepage field from the analysis result of numerical simulation and optimization parameters. It is concluded that the ground deformation can be controlled in the allowable range if adopting parameters of the stope structure parameter and strength of backfilling coming from the numerical simulation and optimization. In addition, the heavy gushing water occurred during the excavation of tunnel reaching 450 m and 350 m, therefore, the safety measures must be adopted to prevent the sudden inflow of water happening.

机译：为了探讨回填采矿方法的可行性和Souting Iron Mine南部采矿设计的最佳参数，在第四纪含水层中，通过渗流耦合正交实验建立了优化的采矿模型。它从数值模拟和优化参数的分析结果中获得了地下挖掘对地面岩石运动规则和渗流场的影响。结论是，如果采用迹象结构参数的参数和来自数值模拟和优化的回填的强度，则可以在允许的范围内控制地面变形。此外，在隧道的挖掘过程中发生重型喷水水达到450米和350米，因此必须采取安全措施来防止发生的突然流入。

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来源
《International Symposium on Mine Safety Science and Engineering》|2011年||共9页
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作者
Nan Shiqing; Gao Qian; Liu Zenghui;
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原文格式 PDF
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中图分类 TD7-53;
关键词
Backfill Mining; Orthogonal Experiment; Optimization Model; Seepage-stress coupling; Numerical Simulation;

机译：回填采矿;正交实验;优化模型;渗流 - 应力耦合;数值模拟;

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Numerical Simulation of Fluid-Solid Coupling in Surrounding Rock and Parameter Optimization for Filling Mining

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