套管灌浆法在小石峡水电站厂房砂砾石围堰中的应用

Sleeve grouting method in small hydropower station powerhouse at gravel cofferdam of

本文介绍了导流洞兼深孔泄洪洞出口围堰、厂房尾水砂砾石围堰帷幕灌浆施工技术。采用了套管灌浆法施工方案。实践证明:施工过程中采用的施工工艺和施工技术以及最终取得了较好的防渗效果,保证了厂房基础的开挖。

This paper introduces the diversion hole and deep hole spillway Hongdong export powerhouse tailrace cofferdam, sand and gravel cofferdam construction technology of curtain grouting. The casing grouting construction scheme. Practice has proved that： in the process of construction the construction process and construction technology and finally achieved good anti-seepage effect, ensures that the building foundation excavation.