蓄水池修建对排土场稳定性的影响研究

金属矿山 ›› 2025, Vol. 54 ›› Issue (9): 226-233.

蓄水池修建对排土场稳定性的影响研究

朱家民¹ 　王大国¹ 　王承栋² 　高佳佳³

1. 西南石油大学土木工程与测绘学院,四川成都 610500;2. 四川省土地发展集团有限责任公司,四川成都 620020; 3. 西南石油大学机电工程学院,四川成都 610500

出版日期:2025-09-15 发布日期:2025-10-10
通讯作者: 王大国(1975—),男,教授,博士,博士研究生导师。
作者简介:朱家民(1999—),男,硕士研究生。
基金资助:
国家自然科学基金面上项目(编号:42171108)。

Study on the Influence of Reservoir Construction on the Stability of Dump

ZHU Jiamin ¹ 　 WANG Daguo ¹ 　 WANG Chengdong ² 　 GAO Jiajia ³

1. School of Civil Engineering and Surveying and Mapping,Southwest Petroleum University,Chengdu 610500,China; 2. Sichuan Land Development Group Limited Liability Company,Chengdu 620020,China; 3. School of Mechanical and Electrical Engineering,Southwest Petroleum University,Chengdu 610500,China

Online:2025-09-15 Published:2025-10-10

摘要/Abstract

摘要： 为解决排土场生态修复缺少灌溉水源问题,拟在排土场顶部平台修建蓄水池,开展蓄水池修建对排土场稳定性的影响分析。以某矿山排土场为研究对象,采用有限元软件 MIDAS / GTS,基于强度折减原理,对比分析了桩间墙、桩间墙—骨架、桩间墙—骨架—硬化平台 3 种支护方案的稳定性,结合排土场生态修复因素确定了最佳支护方案,并讨论了蓄水池位置和容量对排土场稳定性的影响。研究结果表明:与桩间墙支护方案相比,桩间墙—骨架支护方案和桩间墙—骨架—硬化平台支护方案的稳定性更高,但方案 3 既不能明显提升排土场稳定性,还会使得排土场部分土地灭失、复垦前后可利用土地面积减少,故桩间墙—骨架支护方案为最佳方案。蓄水池在顶部平台前端修建时, 容量增加,排土场稳定性降低;蓄水池在中部或后缘修建时,容量增加,排土场稳定性基本保持不变。蓄水池容量一定,布设位置从顶部平台前端到中部,排土场稳定性增加,布设位置从中部到后缘,排土场稳定性基本保持不变。研究成果可为排土场边坡平台维护以及排土场生态修复提供理论依据。

关键词: 排土场　蓄水池　边坡支护　稳定性　生态修复

Abstract: In order to solve the problem of lack of irrigation water source for the ecological restoration of dump,this paper intends to build a reservoir on the top platform of the dump and analyze the influence of the reservoir on the stability of the dump. Taking a mine dump as the study object,based on the strength reduction principle,the stability of three kinds of support schemes (wall between piles,wall between piles-skeleton and wall between piles-skeleton-hardened platform) is trialed to be contrasted and analyzed by the finite element software MIDAS / GTS. The best support scheme was determined by combining the ecological restoration factors. On this basis,the influence of reservoir construction on the stability of the dump was discussed. The study results show that compared with the wall between piles support scheme,the wall between piles-skeleton support scheme and wall between piles-skeleton-hardened platform support scheme have higher safety. However,the wall between pilesskeleton-hardened platform support scheme can not significantly enhance the stability of the dump but cause part of land loss in the dump,which means the before and after reclamation available land area decreases. Therefore,the wall between piles-skeleton support scheme is considered as the best one. When the reservoir is constructed at the front of the top platform,the stability of the dump decreases with increasing reservoir capacity. When the reservoir is built in the middle or rear,the reservoir capacity increases while the stability of the dump remains basically unchanged. When the reservoir capacity is certain,the layout position moves from the front of the top platform to the middle,and the stability of the dump increases. When the layout position moves from the middle of the top platform to the rear,the stability of the dump remains basically unchanged. The study results can provide theoretical basis for the maintenance of dump slope platform and ecological restoration of dump.

Key words: dump,reservoir,slope support,stability,ecological restoration

中图分类号:

TD854
TD88

朱家民　王大国　王承栋　高佳佳. 蓄水池修建对排土场稳定性的影响研究 [J]. 金属矿山, 2025, 54(9): 226-233.

ZHU Jiamin 　 WANG Daguo 　 WANG Chengdong 　 GAO Jiajia . Study on the Influence of Reservoir Construction on the Stability of Dump [J]. Metal Mine, 2025, 54(9): 226-233.

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