【摘 要】防渗墙施工技术涉及的方方面面很多，如深层搅拌桩连续造墙施工技术；地下连续薄防渗墙施工技术；防渗墙施工关键性技术；锯槽法成墙工艺与施工技术等，这些技术有其各自的适用条件，可根据工程的实际情况和这些技术的特点，选择适宜的施工技术方能达到预期的效果。
　　【关键词】施工技术；防渗墙；施工技术；处理技术
　　On the cutoff wall''s construction technology
　　
　　Liu Chun-sheng1,Huang Sheng-lin2
　　(1.Xinyu Iron and Steel Group Co., Ltd Xinyu Jiangxi 338000；
　　2.Jiangxi jianhui Project Management Company Xinyu Jiangxi 338000)
　　【Abstract】Diaphragm wall construction techniques involved in all aspects, such as deep mixing pile Continuous Wall Construction Technology; underground continuous thin diaphragm wall construction; cut-off wall construction of key technologies; saw slot France into a wall of technology and construction techniques, these techniquestheir respective applicable conditions, based on the actual situation of the project and the characteristics of these technologies, select the appropriate construction techniques in order to achieve the desired results.
　　【Key words】Construction technology;Cutoff wall;Construction technology;Processing technology
　　1. 深层搅拌桩连续造墙施工技术
　　深层搅拌水泥土防渗墙采用单轴、多轴深搅桩机施工。其原理是用深搅桩机钻孔至预定深度，向孔中注入水泥浆液，用螺旋型钻头进行搅拌，尽量使土体和水泥浆强制拌合均匀而凝结，形成水泥土柱，互相搭接成墙，起到防渗作用。