[1]潘苏锋,黄海燕,徐 康,等.强降雨作用下金场坝水库边坡稳定性分析与治理评价[J].华南地震,2021,41(02):164-170.[doi:10.13512/j.hndz.2021.02.23 ]
 PAN Sufeng,HUANG Haiyan,XU Kang,et al.Stability Analysis and Treatment Evaluation of Jinchangba Reservoir Slope under Heavy Rainfall[J].,2021,41(02):164-170.[doi:10.13512/j.hndz.2021.02.23 ]
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强降雨作用下金场坝水库边坡稳定性分析与治理评价()
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华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
41
期数:
2021年02期
页码:
164-170
栏目:
地震与地质灾害
出版日期:
2021-06-20

文章信息/Info

Title:
Stability Analysis and Treatment Evaluation of Jinchangba Reservoir Slope under Heavy Rainfall
文章编号:
1001-8662(2021)02-0164-07
作者:
潘苏锋1黄海燕1 徐 康2张慧颖1
(1. 云南农业大学水利学院,昆明 650201;2. 南京水利科学研究院,南京 210029)
Author(s):
PAN Sufeng1HUANG Haiyan1XU Kang2ZHANG Huiying1
(1. College of Water Resources,Yunnan Agricultural University,Kunming 650201,China;2. Nanjing Hydraulic Research Institute,Nanjing 210029,China)
关键词:
数值模拟强降雨稳定
Keywords:
Numerical simulationHeavy rainfallStability
分类号:
TU43
DOI:
10.13512/j.hndz.2021.02.23
文献标志码:
A
摘要:
以FLAC3D数值模拟计算为主要研究手段,基于结构动力学非线性有限元理论,结合某水库左岸边坡实例,对强降雨作用下滑坡体应力、位移、塑性区域进行研究,以及采用混合抗滑措施后的加固效果进行评价。结果表明:强降雨作用下,滑坡体内部主要以压应力为主,不存在拉应力;滑坡产生的最大竖向位移位于滑坡体的中下部;塑性区域面积存在集中现象贯穿滑坡体内部,滑坡处于不稳定状态。加固处理后,滑坡产生的最大竖向位移相比设抗滑装置前滑坡滑动位移量明显减小,塑性区域的面积减少,滑坡整体处于稳定状态,治理效果明显。
Abstract:
With numerical simulation calculation as the main research method,combined with an example of the left bank slope of Jinchangba reservoir,the stress,displacement and plastic area of the landslide body under heavy rainfall are studied,and the reinforcement effect after adopting mixed anti-sliding measures is evaluated. The results show that: under the action of heavy rainfall,the interior of the landslide body is mainly composed of compressive stress,and there is no tensile stress;the maximum vertical displacement generated by the landslide is located in the middle and lower parts of the landslide body;there is a concentration phenomenon in the area of the plastic zone running through the interior of the landslide body,and the landslide is in an unstable state. After the reinforcement treatment,the maximum vertical displacement of the landslide is significantly reduced compared with the sliding displacement of the landslide before the anti-skid device is installed,the area of the plastic zone is reduced,the landslide is in a stable state as a whole,and the treatment effect is obvious.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2020-10-10
基金项目:国家重点研发计划(2017YFC1501105);云南省教育厅科学研究基金(2019J0131);第十三届学生科技创新创业行动基金(2020ZKY376,2020ZKY363,2020ZKY367)联合资助
作者简介:潘苏锋(1995- ),男,硕士研究生,主要研究方向为边坡稳定性研究。E-mail:1651958072@qq.com 通信作者:黄海燕(1975- ),男,教授,博士,主要从事工程安全研究。E-mail:2776830047@
更新日期/Last Update: 2021-06-20