摘要： 综合分析了黑虎山水库副坝及铺盖裂缝产生的内在成因及历次处理的局限性，通过非饱和土体数值分析进行了验证，在分析裂缝成因的基础上提出了加固处理措施。

Abstract: The paper analysed the cause reasons for cracks on auxiliary dam and the blanket as well as some treatment measures adopted before. By numerical modeling analysis for unsaturated soil, rehabilitation measures were advanced.