12·2芒市地震对某水电站形变影响分析  

12·2 analysis of the influence of Mangshi earthquake on the deformation of a hydropower station

作　　者：常衍 邓恒 陈宇琦 Chang Yan;Deng Heng;Chen Yuqi(Pearl River Water Resources Research Institute,Guangzhou Guangdong 510611,China)

机构地区：[1]珠江水利委员会珠江水利科学研究院,广东广州510611

出　　处：《山西建筑》2024年第20期195-198,共4页Shanxi Architecture

摘　　要：水库大坝稳定性影响着库区下游的安全,其安全稳定性极为重要,而周边环境(如地震)可能严重影响大坝的安全稳定。以研究12·2芒市地震对某水电站大坝影响为目的,通过对大坝及左右岸边坡地震前后水平位移进行监测,对比分析地震后当月的水平位移量与地震前1年无地震影响情况下正常每月的水平位移数据后,结果表明大部分监测点没有因为此次地震形变量出现突变超出该监测点前1年无地震影响情况下正常每月的形变量,所有监测点形变量均在该建筑物前1年无地震影响情况下正常每月的形变范围内,此次地震对该水电站大坝以及边坡影响较小,大坝及边坡安全稳定。The stability of reservoir dams affects the safety downstream of the reservoir area,and their safety and stability are extremely important.The surrounding environment(such as earthquakes)may seriously affect the safety and stability of dams.The purpose of this article is to study the impact of the 12·2 Mangshi earthquake on a hydropower station dam.By monitoring the horizontal displacement of the dam and its left and right bank slopes before and after the earthquake,and comparing and analyzing the horizontal displacement data of the month after the earthquake with the normal monthly horizontal displacement data of the year before the earthquake,the results show that most monitoring points did not experience a sudden change in deformation due to this earthquake,exceeding the normal monthly deformation range of the building without earthquake in the previous year.Therefore,this earthquake has a small impact on the dam and slope of the hydropower station,and the dam and slope are safe and stable.

关 键 词：地震 大坝 边坡 变形监测 

分 类 号：TU413.6[建筑科学—岩土工程]