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重点介绍了在张集煤矿地面注浆堵水过程中将地下水管道流转变成渗透流的注浆技术手段,以及有效控制浆液流失、完成截流任务的情况.
This paper mainly introduces the grouting technique which turns the underground water pipe into the permeate flow in the process of grouting and water blocking in the ground of Zhangji coal mine, and effectively controls the loss of slurry and completes the task of river closure.