黏土混凝土防渗墙在米家寨水库除险加固中的应用

The Application of Clay Concrete Antiseepage Wall in the Consolidation Project of Mijiazhai Reservoir

米家寨水库除险加固工程坝体和坝基防渗处理采用了黏土混凝土连续防渗墙技术。设计墙体全长274.9m,墙厚0.8m,墙体最大深度69.0m,最小深度31.78m,下部伸入基岩深度根据岩层的风化程度不等,最大深度13.5m,最小深度1.5m,成墙面积13489.4m2。文中介绍了防渗墙的设计,施工和成墙的质量检验。

The technique of clay cencrete antiseepage wall is applied in antiseepage disposal of dam body and dam foundation of consolidation project in Mijiazhai Reservoir. The total length of this wall is 247.9m, its thikness is 80 cm,the maximal depth is 69m,the minimal depth is 31.78m, the total area of the wall is 13489.4 m2 .This paper introduces the design, the construction method and the construction quality inspection of this wall.