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有色金属(矿山部分):2024,76(2):76-79
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地震动力响应下某矿山排土场边坡稳定性分析
刘 泉1,王 晨2
((1.四川省冶金设计研究院,成都 610041; 2.四川铸创安全科技有限公司,成都 610046))
Analysis of Slope Stability of a Mine Dump under Seismic Dynamic Response
LIU Quan1, WANG Chen2
((1.Sichuan Metallurgical Design and Research Institute, Chengdu 610041, China; 2.Sichuan Zhuchuang Safety Technology Co., Ltd., Chengdu 610046, China))
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投稿时间:2023-10-04    修订日期:2023-10-10
中文摘要: 地震引起的边坡动力响应是诱发排土场失稳的主要诱因之一,本文以某矿山排土场边坡为背景,采用Geostudio软件模拟分析了Ⅷ级地震作用下某排土场边坡质点位移时程曲线、质点应变时程曲线以及安全系数时程变化曲线。研究结果表明:在地震力作用时间段内,该矿山排土场边坡最大质点位移、最大质点应变仅为8cm与0.0025,安全系数最小值为1.65大于规定的许用安全系数1.10,表明该排土场边坡处于稳定状态。
Abstract:The dynamic response of a waste dump slope caused by an earthquake is one of the main causes of instability in the waste dump. This article takes the waste dump slope of a certain mine as the background and uses Geostudio software to simulate and analyze the particle displacement time history curve, particle strain time history curve, and safety factor time history curve of a waste dump slope under the action of a magnitude VIII earthquake. The research results indicate that during the period of seismic force action, the maximum particle displacement and maximum particle strain of the slope of the mining waste dump are only 8cm and 0.0025, and the minimum safety factor is 1.65, which is greater than the specified allowable safety factor of 1.10, indicating that the slope of the waste dump is in a stable state.
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基金项目:四川省自然科学(2022NSFSC1147)
引用文本:
刘 泉,王 晨.地震动力响应下某矿山排土场边坡稳定性分析[J].有色金属(矿山部分),2024,76(2):76-79.
LIU Quan,WANG Chen.Analysis of Slope Stability of a Mine Dump under Seismic Dynamic Response[J].NONFERROUS METALS(Mining Section),2024,76(2):76-79.

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