摘要
汉坪咀水电站上游围堰所处河床为砂卵砾石覆盖层,一般厚度30-35 m,渗透系数尾k=100 m／d,采用常规 开挖截水槽回填粘土处理是不可行的。针对工程具体地层组成情况,论述了高压旋喷防渗技术的成功应用和体会。
The upstream cofferdam of Hanpingzui hydropower project is located on the riverbed of sand gravel overburden, with a depth of 30-35 m, and impervious coefficient k = 100m/d. The anti-seepage for the cofferdam is of significance. The successful practice and experience of anti-seepage technique applying jet grouting are addressed based upon the actual strata of the project.
出处
《西北水电》
2004年第4期33-35,共3页
Northwest Hydropower
关键词
高压旋喷
围堰
施工
叹坪咀水电站
jet grouting
cofferdam
construction
Hanpingzui Hydropower Project
