摘要： 着重论述病险土石坝渗漏的主要特征及成因，通过对灌浆、混凝土防渗墙等几种常用大坝防渗补强措施的机理分析和加固效果的介绍，有针对性地提出了优选方案和施工过程中应注意的问题,为中小型水库的防渗加固处理提供参考和借鉴。

Abstract: This paper focused on the main characteristics and seepage causes of diseased embankment dams. By introduction of the mechanism and effect of some treatment methods, such as grouting and concrete anti-seepage wall, the paper put forward some optimized programs and pointed out the issues that attention should be paid to in construction, for reference.