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结雅水电站总装机1 290 MW, 年发电量4.91 TWh。枢纽建在地质条件复杂的地震多发区, 主体建筑物按地震烈度7 度进行设计。在该电站投运20 多a后, 对其抗震能力进行了验算, 并估计了大坝的抗震能力, 对如何保证大坝的抗震能力提出了某些建议。
The total installed capacity of Jinya Hydropower Station is 1 290 MW, with an annual generating capacity of 4.91 TWh. The hub was built in an earthquake-prone area with complicated geological conditions and the main building was designed according to the seismic intensity of 7 degrees. After more than 20 years’ operation, the seismic capacity of the dam has been checked and the dam’s seismic capacity has been estimated. Some suggestions have been put forward on how to ensure the dam’s seismic capacity.