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.
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。
Small unshaped log residence of V-shaped wall cross section, which is fit for manual-making on site, can accelerate construction speed and has a good wall stability and seismic resistance.
不整形圆木小住宅建筑的墙体断面构造形式采用V字形凹槽，适宜现场手工加工，加快了施工进度，墙体稳定性好，抗震能力强。
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