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［摘 要］ 吉布洛（djiploho）水电站首部枢纽采用两期导流的施工方案，一期导流利用右岸扩挖后原河道过流，二期导流利用冲沙闸和③～⑨溢流坝段共同过流。一期导流右岸河道水面线采用hec_ras软件计算。

 

［关键词］ 施工导流 hec_ras软件 水面线推求 吉布洛水电站

 

1 工程概况

 

吉布洛（djiploho）水电站位于赤道几内亚大陆境内的维乐河（rio wele）吉布洛瀑布附近。坝址多年平均流量165m3/s，多年平均径流总量约52.03×108m3，校核洪水（p＝0.1%）洪峰流量8 038