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介绍了江西省赣东大堤祖孙洲险段堤基险情及渗漏原因，采用射水法造墙技术进行堤基防渗处理．在运用射水法造墙技术中，根据机具性能作了技术上的改进，顺利地在粒径大于８ｍ ｍ 甚至达１００ ｍ ｍ 的砂砾石层完成造墙，使大堤堤基渗漏险情得到彻底解决．
This paper introduces the dangerous situation of embankment and the causes of seepage in the ancestor of Sun Yat - sen section in Jiangxi province. In the application of water-jetting wall-building technology, the technical improvement was made according to the performance of the equipment, the wall was successfully completed in the gravel layer with a grain size of more than 8m m and even up to 100m m, so that the levee dike leakage danger was completely solved .