摘要： 介绍了万家寨水利枢纽廊道混凝土渗漏水缺陷分类及特征，且就渗水裂缝施工原则、材料性能、不同渗漏水裂缝施工工艺进行简要论述。

Abstract: This article introduces the classification and features of the defects of seepage and leakage at the gallery in Wanjiazhai dam. Moreover, the rules of construction, properties of materials used, construction technique for different types of cracks and notes have been briefly discussed.