The Application of Vibration Hole High Spray Technology in Gravel Stratum for Forming Seepage Prevention Body

In connection with the cofferdam project for the 1-st,2-nd and 3-rd period circulating pump houses of Guodian Quanzhou Nanpu Power Plant and the cofferdam project for No.7 water intake of Zhangzhou Huayang Houshi Power Plant,the construction process of vibration hole high spray technology,applied in gravel stratum for building seepage prevention body,its quality control and treatment results are mainly described.