Abstract: Based on the dam characteristics and the geological conditions of Wenquan reservoir, by comparison, cutoff wall by three-pipe high pressure jet grouting was adopted in anti-seepage rehabilitation. This paper introduced the design, construction, main technical parameters, quality control and check of the project, for reference.

Key words: three-pipe method, high pressure jet grouting, quality control

摘要： 结合青海省格尔木温泉水库的工程特点和地质条件，通过比较，水库除险加固方案采用三管法高压旋喷防渗墙对水库大坝坝基进行防渗加固处理。现就防渗设计、施工工艺、主要技术参数、质量控制方法及质量检查事宜作一介绍，供参考。

关键词: 三管法, 高压旋喷, 质量控制