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有色金属(矿山部分):2021,73(3):61-69
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矿浆浓度对尾矿库溃坝泥石流运动规律研究分析
刘 林1,郭忠林1,何泽正1,胡建非1,杨晓敏2
((1. 昆明理工大学 国土资源工程学院,昆明650093; 2. 重庆求精工程造价咨询有限公司,重庆400000))
Analysis of slurry concentration on the movement law of dam-break debris flow in tailing reservoir
LIU Lin1, GUO Zhonglin1, HE Zezheng1, HU Jianfei1, YANG Xiaomin2
((1.Faculty of Land Resource Engineering of Kunming University of Science and Technology, Kunming 650093, China; 2.Chongqing Qiujing Engineering Cost Consulting Co., Ltd., Chongqing 400000, China))
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投稿时间:2020-09-18    修订日期:2020-09-24
中文摘要: 针对矿浆浓度会引起尾矿库溃坝等灾害问题,以四川某铜矿尾矿库为工程背景,基于溃决泥石流运动规律试验装置进行模型试验,利用观测设备对不同矿浆浓度条件下尾矿坝溃决泥石流运动规律进行分析,研究结果表明:随着矿浆浓度的不断增大,泥石流在下游沟谷中的运动过程更加激烈,泥石流流态和冲击力亦越大,为尾矿坝溃坝泥石流程度预测和灾害范围等风险问题提供有益的指导意义。
Abstract:Aiming at the disasters such as tailing dam failure caused by the concentration of ore slurry, the tailing dam of a copper mine in Sichuan was used as the engineering background, and the model test was carried out based on the test device for breaking debris flow. Observation equipment was used to break the tailing dam under the conditions of different slurry concentrations. The law of debris flow movement was analyzed, and the research results showed that with the continuous increase of the slurry concentration, the movement process of the debris flow in the downstream valley became more intense, and the flow pattern and impact force of the debris flow were also greater. This research can provide sound guidance for the risk issues such as the prediction of the degree of dam failure and debris flow and the scope of disasters in tailings dams.
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刘 林,郭忠林,何泽正,胡建非,杨晓敏.矿浆浓度对尾矿库溃坝泥石流运动规律研究分析[J].有色金属(矿山部分),2021,73(3):61-69.
LIU Lin,GUO Zhonglin,HE Zezheng,HU Jianfei,YANG Xiaomin.Analysis of slurry concentration on the movement law of dam-break debris flow in tailing reservoir[J].NONFERROUS METALS(Mining Section),2021,73(3):61-69.

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