[1]谢振华.降雨引发排土场滑坡的预警准则研究*[J].中国安全生产科学技术,2020,16(11):153-158.[doi:10.11731/j.issn.1673-193x.2020.11.024]
XIE Zhenhua.Research on early warning criterion of dump landslide caused by rainfall[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2020,16(11):153-158.[doi:10.11731/j.issn.1673-193x.2020.11.024]
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降雨引发排土场滑坡的预警准则研究*
XIE Zhenhua.Research on early warning criterion of dump landslide caused by rainfall[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2020,16(11):153-158.[doi:10.11731/j.issn.1673-193x.2020.11.024]
《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]
- 卷:
- 16
- 期数:
- 2020年11期
- 页码:
- 153-158
- 栏目:
- 职业安全卫生管理与技术
- 出版日期:
- 2020-11-30
文章信息/Info
- Title:
- Research on early warning criterion of dump landslide caused by rainfall
- 文章编号:
- 1673-193X(2020)-11-0153-06
- Keywords:
- dump landslide; rainfall; early warning criterion; safety coefficient; numerical simulation
- 分类号:
- X936；TD76
- 文献标志码:
- A
- 摘要:
- 为降低降雨引发排土场滑坡的风险，提出更加科学、实用的降雨滑坡预警准则，以贵州某矿山排土场的实际情况为例，建立排土场在线监测预警系统，并基于FLAC3D软件，对安全系数与边坡位移的关系以及降雨与边坡位移的关系进行数值模拟。结果表明：降雨是影响排土场滑坡的主要因素，且降雨影响具有滞后性，降雨量可作为排土场滑坡的预警指标；排土场滑坡预警等级与排土场安全系数存在密切相关性，可根据排土场安全系数确定滑坡红、橙、黄、蓝预警等级；可根据模拟结果确定降雨引发排土场滑坡的预警准则。研究结果具有较强的实用性，为排土场滑坡事故的预防和控制提供科学指导。
- Abstract:
- In order to reduce the risk of dump landslide caused by rainfall,and put forward more scientific and practical early warning criterion of rainfall landslide,according to the actual situation of a mine dump in Guizhou,an online monitoring and early warning system for the dump was established,and the numerical simulation on the relationship between safety coefficient and slope displacement and the relationship between rainfall and slope displacement was conducted by using FLAC3D software.The results showed that the rainfall was the main factor affecting the dump landslide,and the influence of rainfall had the posteriority,so the rainfall could be used as the early warning index of the dump landslide.There was a close correlation between the early warning level of dump landslide and the safety coefficient of dump,and the red,orange,yellow and blue early warning levels were determined according to the safety coefficient of dump.According to the simulation results,the early warning criterion of dump landslide caused by rainfall was determined.The research results have strong practicability and can provide scientific guidance for the prevention and control of the landslide accident in the dump.
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备注/Memo
- 备注/Memo:
-
收稿日期： 2020-08-31
* 基金项目： 中国劳动关系学院校级科研项目（20XYJS024）
作者简介： 谢振华，博士，教授，主要研究方向为矿山安全技术、安全管理。
