In this paper the concrete of gravity dam and the bedrock are considered as two different liner elastic materials and the cracks in the vicinity of dam heel are analysed as ones at the interface between two materials.

• 本文将重力坝坝体混凝土和坝基岩石分别视为两种线弹性均质材料,并将坝踵裂缝简化为两种介质材料交界面上的裂缝问题。