高拱坝泄洪消能的特点是坝高落差大，流量大，功率大，位于河谷狭窄地区，泄洪消能与防冲问题突出。
For high arch DAMS in valleys with the characteristics of high water head, large discharge and large power, the problems of energy dissipation and scour prevention are serious.
合理布置泄洪建筑物，解决下游消能防冲问题是该电站设计的关键技术问题之一。
One of the key technic problems of designing the plant is the rational layout of flood discharge structure to solve downstream energy dissipation and anti scour.
经对泄洪建筑物体型优化后，减轻了坝下冲刷，有利于消能防冲；
The optimization of flood releasing structure pattern will reduce scour below dam and favour water energy dissipation and scour prevention.
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