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To reveal the energy evolution law of open-pit mine dumps under seismic conditions and establish a criterion for slope instability, the cusp catastrophe theory was combined with the energy theory in open-pit mine dumps. This led to the development of a theoretical instability model for dissipated energy catastrophe, using slope dissipated energy as state variable. The south dump of Dasuji Molybdenum Mine was taken as the engineering background. FLAC3D software was used to analyze the evolution patterns of dissipated energy of four slope sections in the south dump and analyze the mutation characteristics. Based on these findings, the stacking scheme of the dump was optimized. The results show that most of the characteristic values of the dissipated energy for the south dump slope section are below zero, and the slope is prone to instability under seismic loading. The simulation results are consistent with the field situations. According to the evolution characteristics of the dissipated energy of the slope, an optimization scheme of "slope reinforcement+stacking optimization+monitoring and early warning" is proposed and applied to the south dump. The numerical simulation analysis and field monitoring verification of the optimized scheme show that the anti-deformation ability and overall stability of the slope are significantly improved after taking the optimization measures. The research results can provide references for the preventing dump slope instability.

, authors=Zhiyi YANG, authorsList=Zhiyi YANG, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322559945959126012, articleId=1322559943924888570, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=地震工况下露天矿排土场稳定性能量突变分析与优化措施, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=

为揭示地震工况下露天矿排土场的能量演化规律,并建立边坡失稳判别依据,将尖点突变理论与露天矿排土场能量理论相结合,构建了以边坡耗散能为状态变量的耗散能突变失稳理论模型。以大苏计钼矿南排土场为工程背景,运用FLAC3D软件分析南排土场4个边坡剖面的耗散能演化规律,并开展突变特征分析,据此对排土场的堆置方案进行优化设计。结果表明:南排土场边坡剖面耗散能特征值大部分小于0,在地震荷载作用下易失稳,模拟结果与现场情况相符;根据边坡耗散能演化特征,提出“加固边坡坡面+堆置优化+监测与预警”的优化方案并应用于南排土场。对优化后的方案进行数值模拟分析与现场监测验证,结果显示,采取优化措施后,边坡的抗变形能力与整体稳定性显著提高。研究结果可为预防排土场边坡失稳提供借鉴。

, authors=杨志一, authorsList=杨志一, authorCompany=null, correspAuthors=null, authorNote=

杨志一(1983—),男,内蒙古赤峰人,高级工程师,主要从事矿山管理工作。E-mail:

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杨志一(1983—),男,内蒙古赤峰人,高级工程师,主要从事矿山管理工作。E-mail:

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杨志一(1983—),男,内蒙古赤峰人,高级工程师,主要从事矿山管理工作。E-mail:

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地震工况下露天矿排土场稳定性能量突变分析与优化措施
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杨志一
矿业研究与开发 | 矿山安全与环保 2026,46(3): 110-119
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矿业研究与开发 |矿山安全与环保 2026 , 46 (3) : 110 -119
地震工况下露天矿排土场稳定性能量突变分析与优化措施
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杨志一(1983—),男,内蒙古赤峰人,高级工程师,主要从事矿山管理工作。E-mail:

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杨志一(1983—),男,内蒙古赤峰人,高级工程师,主要从事矿山管理工作。E-mail:

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杨志一
作者信息
  • 中铁十九局集团矿业投资有限公司,北京 100161
作者简介:

杨志一(1983—),男,内蒙古赤峰人,高级工程师,主要从事矿山管理工作。E-mail:

Stability Energy Mutation Analysis and Optimization Measures for Open-Pit Mine Dumps Under Seismic Conditions
Zhiyi YANG
Affiliations
  • China Railway 19th Bureau Group Mining Investment Co., Ltd., Beijing 100161, China
出版时间: 2026-03-25
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为揭示地震工况下露天矿排土场的能量演化规律,并建立边坡失稳判别依据,将尖点突变理论与露天矿排土场能量理论相结合,构建了以边坡耗散能为状态变量的耗散能突变失稳理论模型。以大苏计钼矿南排土场为工程背景,运用FLAC3D软件分析南排土场4个边坡剖面的耗散能演化规律,并开展突变特征分析,据此对排土场的堆置方案进行优化设计。结果表明:南排土场边坡剖面耗散能特征值大部分小于0,在地震荷载作用下易失稳,模拟结果与现场情况相符;根据边坡耗散能演化特征,提出“加固边坡坡面+堆置优化+监测与预警”的优化方案并应用于南排土场。对优化后的方案进行数值模拟分析与现场监测验证,结果显示,采取优化措施后,边坡的抗变形能力与整体稳定性显著提高。研究结果可为预防排土场边坡失稳提供借鉴。

露天矿排土场  /  地震工况  /  能量演化  /  尖点突变理论  /  失稳判据  /  优化措施

To reveal the energy evolution law of open-pit mine dumps under seismic conditions and establish a criterion for slope instability, the cusp catastrophe theory was combined with the energy theory in open-pit mine dumps. This led to the development of a theoretical instability model for dissipated energy catastrophe, using slope dissipated energy as state variable. The south dump of Dasuji Molybdenum Mine was taken as the engineering background. FLAC3D software was used to analyze the evolution patterns of dissipated energy of four slope sections in the south dump and analyze the mutation characteristics. Based on these findings, the stacking scheme of the dump was optimized. The results show that most of the characteristic values of the dissipated energy for the south dump slope section are below zero, and the slope is prone to instability under seismic loading. The simulation results are consistent with the field situations. According to the evolution characteristics of the dissipated energy of the slope, an optimization scheme of "slope reinforcement+stacking optimization+monitoring and early warning" is proposed and applied to the south dump. The numerical simulation analysis and field monitoring verification of the optimized scheme show that the anti-deformation ability and overall stability of the slope are significantly improved after taking the optimization measures. The research results can provide references for the preventing dump slope instability.

Open-pit mine dumps  /  Seismic conditions  /  Energy evolution  /  Cusp catastrophe theory  /  Instability criterion  /  Optimization measures
杨志一. 地震工况下露天矿排土场稳定性能量突变分析与优化措施. 矿业研究与开发, 2026 , 46 (3) : 110 -119 .
Zhiyi YANG. Stability Energy Mutation Analysis and Optimization Measures for Open-Pit Mine Dumps Under Seismic Conditions[J]. Mining Research and Development, 2026 , 46 (3) : 110 -119 .

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2026年第46卷第3期
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  • 接收时间:2025-08-17
  • 首发时间:2026-10-29
  • 出版时间:2026-03-25
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  • 收稿日期:2025-08-17
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    中铁十九局集团矿业投资有限公司,北京 100161
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
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