|本期目录/Table of Contents|

[1]石萍萍,李海港,熊忠航,等.基于不同降雨条件下的尾矿库边坡变形演化特征研究*[J].中国安全生产科学技术,2025,21(11):25-32.[doi:10.11731/j.issn.1673-193x.2025.11.003]
　SHI Pingping,LI Haigang,XIONG Zhonghang,et al.Research on the evolution characteristics of tailings-dam slope deformation under different rainfall conditions[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2025,21(11):25-32.[doi:10.11731/j.issn.1673-193x.2025.11.003]
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基于不同降雨条件下的尾矿库边坡变形演化特征研究*

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
21
期数:
2025年11期
页码:
25-32
栏目:
学术论著
出版日期:
2025-11-30

文章信息/Info

Title:
Research on the evolution characteristics of tailings-dam slope deformation under different rainfall conditions
文章编号:
1673-193X(2025)-11-0025-08
作者:
石萍萍; 李海港; 熊忠航; 叶佳文; 刘珮勋
（1.江西理工大学 安全工程学院，江西 赣州 341000；
2.江西省应急管理科学研究院，江西 南昌 330000；
3.安全生产风险监测预警与防控江西省重点实验室，江西 南昌 330000；
4.江西理工大学 矿业工程学院，江西 赣州 341000）
Author(s):
SHI Pingping;  LI Haigang;  XIONG Zhonghang;  YE Jiawen;  LIU Peixun
(1.School of Safety Engineering,Jiangxi University of Science and Technology,Ganzhou Jiangxi 341000,China;
2.Jiangxi Academy of Emergency Management Science,Nanchang Jiangxi 330000,China;
3.Jiangxi Provincial Key Laboratory of Work Safety Risk Monitoring,Early Warning,Prevention and Control,Nanchang Jiangxi 330000,China;
4.School of Mining Engineering,Jiangxi University of Science and Technology,Ganzhou Jiangxi 341000,China)
关键词:
三维激光扫描; 人工模拟降雨; 降雨强度; 降雨历时; 边坡变形
Keywords:
three-dimensional laser scanning;  artificial rainfall simulation;  rainfall intensity;  rainfall duration;  slope deformation
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2025.11.003
文献标志码:
A
摘要:
为探究我国尾矿库因降雨诱发的滑坡风险加剧问题，采用基于全自动人工降雨模拟系统与三维激光扫描技术融合的方法，研究不同降雨条件下（20，40，60 mm/h），尾矿库边坡变形演化特征和规律。研究结果表明：随着降雨时长增加，降雨强度为20 mm/h时，边坡变形呈渐进式发展趋势；降雨强度为40 mm/h时边坡变形呈加速发展趋势，1 h后变形集中区凸显；降雨强度为60 mm/h时边坡变形在前0.5 h剧烈响应，后期进入调整稳定阶段。此外，降雨过程中，边坡的变形率随降雨时长的增大展现出线性增长的趋势，且边坡的变形率随降雨强度的增大展现出非线性增长的趋势。研究结果可为边坡变形的安全监测提供科学支撑。
Abstract:
In order to investigate the aggravation of rainfall-induced landslide risk in China’s tailings-dam slopes,a method integrating a fully automatic artificial rainfall simulation system with three-dimensional laser-scanning technology was adopted to study the evolution characteristics and laws of tailings-dam slope deformation under different rainfall conditions (20 mm/h,40 mm/h,60 mm/h).The results demonstrate that with increasing rainfall duration,the slope deformation is spatially uniform and progresses gradually at a rainfall intensity of 20 mm/h.At a rainfall intensity of 40 mm/h,the slope deformation accelerates significantly,with concentrated deformation zones becoming apparent after 1 h.At a rainfall intensity of 60 mm/h,the slope deformation shows a sharp response within the first 0.5 h,and then enters an adjustment and stabilization phase.Furthermore,during the rainfall process,the deformation rate of the slope shows a linear growth trend with increasing rainfall duration,and a nonlinear growth trend with increasing rainfall intensity.The findings provide scientific support for the safety monitoring of slope deformation.

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备注/Memo

备注/Memo:
收稿日期： 2025-08-27
* 基金项目： 国家重点研发计划项目（2023YFC3012200）
作者简介： 石萍萍，硕士研究生，主要研究方向为尾矿库安全。
通信作者： 李海港，博士，正高级工程师，主要研究方向为矿山安全、灾害防治和应急管理等。
更新日期/Last Update: 2025-12-03