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某尾矿库主坝压坡体加固及稳定性研究

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采用压坡体的坝体加固方式并对压坡体进行修整,可有效改善尾矿库的坝体稳定性.以某尾矿库主坝为例,为解决其稳定性问题,基于该尾矿库的特殊性,采用修整压坡体的方式对坝体进行加固处理;结合数值模拟、方案比选的方式,对主坝整体边坡压坡前后及修整前后的坝体稳定性进行对比分析.结果表明:经压坡体压坡后,尾矿库主坝稳定性得到显著提升;减少工程量的修整方案对尾矿坝整体边坡抗滑稳定安全系数影响较小.
Study on Slope Reinforcement and Stability of a Tailings Reservoir Main Dam with Pressing Slope Body
The stability of the tailings dam can be effectively improved by adopting the reinforcement method of the pressing slope body and repairing it.Taking the main dam of a tailings reservoir as an exam-ple,in order to solve its stability problem,based on the particularity of the tailings reservoir,the dam body is reinforced by repairing the pressingslope body.Combined with numerical simulation and scheme compari-son,the stability of the whole slope of the main dam before and after the pressure slope and before and after the repair is compared and analyzed.The results show that the stability of the main dam of the tailings reser-voir is significantly improved after pressure slope.The repair scheme of reducing engineering quantity has lit-tle influence on the safety factor of anti-sliding stability of the whole slope of tailings dam.

tailings reservoirpressing slope bodydam strengtheningstability analysis

王迅、张众华、黄广黎、尹清海、曾霄祥

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安徽马钢矿业资源集团南山矿业有限公司

中钢集团马鞍山矿山研究总院股份有限公司

华唯金属矿产资源高效循环利用国家工程研究中心有限公司

金属矿山安全与健康国家重点实验室

非煤露天矿山灾害防控国家矿山安全监察局重点实验室

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尾矿库 压坡体 坝体加固 稳定性分析

2024

现代矿业
中钢集团马鞍山矿山研究院有限公司

现代矿业

影响因子:0.33
ISSN:1674-6082
年,卷(期):2024.40(8)