高喷灌浆技术在水库除险加固工程中的应用  

Application of High Sprinkler Grouting Technology in the Strengthening of Reservoir

作　　者：孙旸 SUN Yang(North China University of Water Resources and Electric Power,Zhengzhou,Henan 450046,China)

机构地区：[1]华北水利水电大学,河南郑州450046

出　　处：《山东水利》2024年第12期40-43,共4页Shandong Water Resources

摘　　要：高压喷射灌浆是在高压作用下使浆液高速喷射到周围地层,对地质介质产生冲切、搅拌和挤压等作用,在浆液凝固后可以起到封堵裂隙、加固结构的效果。本文以河南省某水库为例,结合工程实际情况,简要分析高压喷射灌浆施工工艺,并设计高压喷射灌浆方案,进行高压喷射灌浆施工。最后通过一系列检测试验,对本次防渗墙施工质量进行检验。结果表明:防渗墙的渗透系数、抗压强度和弹性模量等均达到工程设计要求,取得了理想的防渗效果。High pressure jet grouting is under the action of high pressure to make the slurry high-speed jet to the sur-rounding strata,resulting in the geological medium punching,stirring and extrusion,which can play the function in seal-ing the cracks and strengthening the structure after the slurry solidification.This paper takes a reservoir in Henan Province as an example,combined with the actual situation of the project,briefly analyzes the construction technology of high-pressure jet grouting,and designs the high-pressure jet grouting scheme to carry out high-pressure jet grouting construction.At last,through a series of testing tests,the construction quality of the cutoff wall is tested.The results show that the permeability coefficient,compressive strength and elastic modulus of the anti-seepage wall meet the engineering design requirements,and the anti-seepage effect can be achieved.

关 键 词：高压喷射灌浆 施工工艺 除险加固 

分 类 号：TV697[水利工程—水利水电工程]