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[1]宋宁思,王光进,何明渝,等.地下水位影响尾矿坝稳定性的结构重要度分析*[J].中国安全生产科学技术,2023,19(7):92-98.[doi:10.11731/j.issn.1673-193x.2023.07.014]
　SONG Ningsi,WANG Guangjin,HE Mingyu,et al.Structural importance analysis of groundwater level affecting stability of tailings dam[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2023,19(7):92-98.[doi:10.11731/j.issn.1673-193x.2023.07.014]
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地下水位影响尾矿坝稳定性的结构重要度分析*()
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
19
期数:
2023年7期
页码:
92-98
栏目:
职业安全卫生管理与技术
出版日期:
2023-07-31

文章信息/Info

Title:
Structural importance analysis of groundwater level affecting stability of tailings dam
文章编号:
1673-193X(2023)-07-0092-07
作者:
宋宁思; 王光进; 何明渝; 刘文连; 孔祥云; 眭素刚; 周汉民; 韩亚兵
(1.昆明理工大学 公共安全与应急管理学院，云南 昆明 650093；
2.昆明理工大学 国土资源工程学院，云南 昆明 650093；
3.云南省矿产资源开发与固废资源利用国际技术转移中心，云南 昆明 650093；
4.中国有色金属工业昆明勘察设计研究院有限公司，云南 昆明 650051；
5.昆明理工大学 建筑工程学院，云南 昆明 650093；
6.矿冶科技集团有限公司，北京 100083)
Author(s):
SONG Ningsi;  WANG Guangjin;  HE Mingyu;  LIU Wenlian;  KONG Xiangyun;  SUI Sugang;  ZHOU Hanmin;  HAN Yabing
关键词:
尾矿库; 浸润线; 稳定性分析; 结构重要度; BowTie模型
Keywords:
tailings pond;  saturation line;  stability analysis;  structural importance;  BowTie model
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2023.07.014
文献标志码:
A
摘要:
为揭示尾矿库浸润线埋深对坝体稳定性的影响规律，以四川某尾矿库为工程研究对象，引入结构重要度系数，研究坝体不同区域浸润线埋深对稳定性的影响程度，采用BowTie模型对浸润线埋深浅事件进行全面定性分析。研究结果表明：浸润线抬升会显著降低坝体稳定性，尾矿坝堆高越高处结构重要度系数越大，堆高越高处浸润线变化对坝体稳定性的影响也越大，所以高堆尾矿库或尾矿库加高扩容工程更应重视坝体上部浸润线的监测与控制。建立的BowTie模型按照尾矿库结构将浸润线埋深浅事件划分为7种主要影响因素和5种可能产生的后果，为尾矿库工程安全管理体系的优化提供思路。研究结果能够对尾矿库的安全设计和稳定性评价起到很好的借鉴作用。
Abstract:
In order to reveal the influence of the buried depth of tailings pond saturation line on the dam stability,taking a certain tailing pond in Sichuan as the engineering research object,the influence of the buried depth of saturation line in different regions on the dam stability was studied,and the BowTie model was used to make a comprehensive qualitative analysis on the shallow buried depth events of saturation line.The results show that the uplift of saturation line will significantly reduce the dam stability.The higher the stacking height of tailings dam,the larger the structural importance coefficient,and the greater the influence of saturation line change on the dam stability.Therefore,the monitoring and control of saturation line on the upper part of dam should be paid more attention for the high stacking tailings pond or the heightening and expansion project of tailings pond.According to the structure of tailings pond,the established BowTie model divides the shallow buried depth events of saturation line into seven main influencing factors and five possible consequences,which provides an idea to optimize the safety management system of tailings pond project.The research results can provide a good reference for the safety design and stability evaluation of tailings pond.

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备注/Memo

备注/Memo:
收稿日期： 2022-10-27
* 基金项目： 国家自然科学基金项目（52174114）；昆明理工大学分析测试基金项目（2021M20202239019）
作者简介： 宋宁思，硕士研究生，主要研究方向为安全系统工程。
通信作者： 王光进，博士，教授，主要研究方向为矿山岩土边坡灾害预警。
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