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综述了国内外有关高拱坝坝踵开裂机理的研究成果，并针对奥地利２００ｍ高的Ｋｌｎｂｒｅｉｎ拱坝坝踵开裂的工程实际，分析了其坝踵开裂机理。最后，探讨了从中应吸取的经验教训。
The research results on the cracking mechanism of high arch dam heel at home and abroad are reviewed. According to the engineering practice of the 200m high Klnbrein arch dam heel cracking in Austria, the cracking mechanism of the dam heel is analyzed. Finally, the lessons learned should be explored.