The cracking process of Austrian Kolnbrein double curvature thin arch dam heel,analysis of cracking cause by domestic and foreign specialists and approach to cracking mechanism of arch dam by authors are presented.

• 介绍了奥地利Kolnbrein双曲薄拱坝坝踵产生裂缝的过程和国内外专家对裂缝成因的分析，以及作者对拱坝产生开裂的机理的探讨。