摘要： 介绍了五强溪水电厂三级船闸结构缝漏水情况及止漏处理过程，并对止水材料和防水止水施工工艺进行了介绍。

Abstract: Leakage through the structure cracks in the third grade lock and treatment for it are introduced in this paper. The sealing material and its construction technique are presented as well.