Abstract:Based on construction and operation of a series of super-high arch dams in China, such as the Ertan Arch Dam, Xiluodu Arch Dam, Jinping-I Arch Dam, Dagangshan Arch Dam, and Xiaowan Arch Dam, construction achievements of super-high arch dams are summarized, and advances in key technologies for super-high arch dam construction are described, including determination of arch dam foundation, shape optimization design, stress analysis and strength design, techniques for stability of dam foundation against sliding, techniques for dam body stability, anti-seismic design, concrete material study, and temperature control and crack prevention of concrete, foundation treatment, and construction technology. It is suggested that construction technology of concrete arch dams in China has reached an internationally leading level. It is pointed out that four issues in construction of super-high arch dams should be further studied: construction of dam safety evaluation systems, dam risk design, anti-seismic measures, and dam health diagnosis technology.