砂卵石层基础高压喷射灌浆防渗技术的应用

Application of the New Antiseepage Technology with High Pressure Spraying Grouting for Sand Gravel Foundation

大埔水电站土石围堰在砂砾石覆盖层上应用高压喷射灌浆防渗新技术获得成功，防渗效果好。

Dapu power-plant has been successful in applying the new antiseepage technology of high pressure spraying grouting for earth-rock cofferdam The construction period was shortened with good antiseepage effect and obvious economic result On the basis of experience from Dapu and preliminary study on high pressure spraying grouting, we realize that the prospect for its application is bright and it is worthy to popularize