摘要
乐昌峡水电站溢流坝具有泄流落差和单宽流量较大、下游河道狭窄等特点,溢流坝的消能问题较突出。通过水工模型试验研究,对溢流坝挑流消能工布置和体型进行比较,推荐溢流坝采用反弧段一体的扩散式梯形差动式挑流鼻坎的消能方案,妥善解决了溢流坝消能问题。
The flood-releasing energy dissipation problem of the overflow dam at Lechangxia hydropower station is outstanding as it has large water head drop and the discharge per unit width of the dam is large,and moreover,the downstream is narrower.Based on hydraulic model test,the deflecting energy dissipator layout and configuration of the overflow dam are compared and hence energy dissipation problem of the overflow dam is solved properly in this paper by recommending diffusedal trapezoid differential flip bucket with overall ogee.
出处
《水利科技与经济》
2012年第10期50-52,65,共4页
Water Conservancy Science and Technology and Economy
关键词
溢流坝
挑流鼻坎
消能
模型试验
乐昌峡水电站
overflow dam
bucket
energy dissipation
model test
Lechangxia hydropower station
