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摘　要: 丰甸河二级水电站设计水头880m，压力管道系统既是整个工程的设计难点，也是投资的重点。通过对本工程压力管道系统管径的优化选择、降低水锤压力、调整伸缩节位置以及采用砼预制支墩等优化设计，实现了节约投资、缩短工期的双重目标。

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