The article introduces the process of cracking of the dam heel and the analysis of causes by domestic experts.The effect of dam heel cracking on the safety of Shimen concrete arch dam is analyzed.

• 介绍石门拱坝坝踵产生裂缝的过程及国内专家对裂缝成因的分析，同时分析了坝踵开裂对大坝安全的影响。