上坪水库加固中大坝帷幕灌浆施工应用研究  

Research on Application of Dam Curtain Grouting Construction in the Reinforcement of Shangping Reservoir

作　　者：黄伟声 HUANG Wei-sheng(Shenzhen Water Technical Service Co.Ltd.,Shenzhen 518000,Guangdong,China)

机构地区：[1]深圳市水务技术服务有限公司,广东深圳518000

出　　处：《水利科技与经济》2024年第12期84-88,112,共6页Water Conservancy Science and Technology and Economy

摘　　要：随着使用年限的增长和自然环境的变化,水库的安全问题日益凸显。针对上坪水库大坝存在渗水现象、变形等问题,在上坪水库加固中对大坝帷幕灌浆施工应用进行研究,首先进行防渗帷幕设计,然后分析帷幕灌浆防渗加固效果。结果显示,不同段次灌浆孔与检查孔的透水率均小于10Lu,透水率满足设计要求;灌浆后水库的渗流量小于灌浆前水库的渗流量,表明研究提出的加固方法可有效减少水库的透水率和渗流量。With the increase of service life and changes in the natural environment,the safety issues of reservoirs are becoming increasingly prominent.A study on the application of curtain grouting construction in the reinforcement of the Shangping reservoir is proposed to the problems of seepage and deformation in the dam.This study first conducts a design of self-defense curtains,and then analyzes the design of curtain grouting and anti-seepage reinforcement.The results show that the permeability of grouting holes and inspection holes in different segments is less than 10Lu,and the permeability meets the design requirements.The seepage flow of the reservoir after grouting is smaller than that of the reservoir before grouting.The reinforcement method proposed in the study can effectively reduce the permeability and seepage flow of reservoirs.

关 键 词：水库加固 帷幕灌浆 压水试验 透水率 

分 类 号：TV543[水利工程—水利水电工程]