摘要： 本文介绍了柘溪大坝1#支墩劈头裂缝水下处理施工情况，通过施工期间漏水量的变化，分析了影响漏水量变化的因素，通过施工结束后漏水情况，对处理的效果进行了分析。

Abstract: This paper briefly introduced treatment for cleavage cracks at buttress No.1underwater. It analyzed the reasons influencing on leakage amount change by analysis of the leakage quantity during construction. The treatment effect was analyzed by the leakage condition after treatment.?