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[1]胡航,王光进,莘英铭,等.不同溃坝条件下尾矿库溃坝试验与灾害影响研究*[J].中国安全生产科学技术,2022,18(7):114-121.[doi:10.11731/j.issn.1673-193x.2022.07.017]
　HU Hang,WANG Guangjin,XIN Yingming,et al.Study on dam-break tests and hazard influence of tailings pond under different dam-break conditions[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2022,18(7):114-121.[doi:10.11731/j.issn.1673-193x.2022.07.017]
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不同溃坝条件下尾矿库溃坝试验与灾害影响研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
18
期数:
2022年7期
页码:
114-121
栏目:
职业安全卫生管理与技术
出版日期:
2022-07-31

文章信息/Info

Title:
Study on dam-break tests and hazard influence of tailings pond under different dam-break conditions
文章编号:
1673-193X(2022)-07-0114-08
作者:
胡航; 王光进; 莘英铭; 刘文连; 周汉民; 尤耿明; 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.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；
4.矿冶科技集团有限公司，北京 100160）
Author(s):
HU Hang;  WANG Guangjin;  XIN Yingming;  LIU Wenlian;  ZHOU Hanmin;  YOU Gengming;  HAN Yabing
(1.Faculty of Public Safety and Emergency Management,Kunming University of Science and Technology,Kunming Yunnan 650093,China;
2.Faculty of Land Resources Engineering,Kunming University of Science and Technology,Kunming Yunnan 650093,China;
3.China Nonferrous Metals Industry Kunming Survey and Design Research Institute Co.,Ltd.,Kunming Yunnan 650051,China;
4.General Research Institute of Mining & Metallurgy,Beijing 100160,China)
关键词:
溃坝; 尾矿库; 模型试验; 流动特性; 灾害预测
Keywords:
dam-break;  tailings pond;  model test;  flow characteristic;  hazard prediction
分类号:
X936；P642.23
DOI:
10.11731/j.issn.1673-193x.2022.07.017
文献标志码:
A
摘要:
为探究不同溃坝条件下尾砂流的演进规律与灾害影响，提高应对尾矿库溃坝灾害的防灾减灾能力。以四川某尾矿库为研究背景，采用模型试验与数值模拟相结合的方法，研究不同溃坝条件下溃坝砂流的演进和沉积规律，并预估溃坝灾害影响。研究结果表明：溃坝方式对溃坝砂流的演进过程、尾砂的沉积分布情况与致灾程度有显著影响；与漫顶溃坝相比，瞬时溃坝砂流的淹没范围更广、破坏性更强；砂流在流动过程中存在水-砂分层流动与沉淀的动态变化过程，其淹没面积大于尾砂的沉积面积；试验与数值模拟结果的一致性较高，采用两者相结合的方法研究溃坝砂流流动规律及灾害影响具有一定的可靠性。
Abstract:
In order to investigate the evolution law and hazard influence of tailings fluid under different dam-break conditions,and improve the disaster prevention and mitigation ability to deal with the dam-break hazard of tailings pond,taking a tailings pond in Sichuan as the research background,the evolution and deposition laws of dam-break sand fluid under different dam-break conditions were studied by using the combined methods of model test and numerical simulation,and the hazard influence of dam-break was predicted.The results showed that the dam-break mode had significant influence on the evolution process of dam-break sand fluid,the deposition distribution of tailings sand and the hazard degree.Compared with the overtopping dam-break,the tailings fluid of instantaneous dam-break had wider submerged area and stronger destructiveness.There was a dynamic change process of water-sand stratification flow and sedimentation during the flow process of sand fluid,and the submerged area was larger than the deposition area of tailing sand.The consistency between the test and numerical simulation results was good,and it was reliable to study the sand flow law and the hazard influence of dam-break by combining the two methods.

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备注/Memo

备注/Memo:
收稿日期： 2021-08-26
*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（2020M20192239019）
作者简介： 胡航，硕士研究生，主要研究方向为地质灾害预测与防控研究。
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研究。
更新日期/Last Update: 2022-08-10