冲切成槽薄壁混凝土防渗墙施工技术是在原冲击成槽建造防渗墙的基础上,对冲击钻头和施工工艺加以改进,用扁钻头代替十字钻头,用正反两种循环系统进行泥浆循环的一种新防渗墙施工方法。
The present technique is a new thin cutoff wall construction method by modifying the original method as to use flat drill bit instead of cross bit and adopt positive and negative circulating system.
采用橡胶充气胶囊在涵管内予留防渗墙施工尺寸,上下游封堵涵管,防渗墙泥浆槽在两胶囊之间通过。
Inflatable rubber capsules are used inside the culverts to give room for construction and both sides of the culverts are blocked, the cut-off wall concrete going between the two capsules.
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