辜晋德,徐建荣,颜志庆,彭育,薛阳

• 1:南京水利科学研究院
• 2:中国电建集团华东勘测设计研究院有限公司

摘要(Abstract)：

岸边式泄洪洞泄洪时下游河道冲刷问题关系到工程安全,同时冲刷引起的河道淤积也会导致尾水位抬高。大型泄洪枢纽可通过合理的流量分配抬高下游水位,降低河道冲刷,减少河道淤积对电站尾水的影响。以白鹤滩水电工程为例,通过1∶50水工模型对其泄洪洞出口的深覆盖层地形进行模拟,研究了并联式岸边泄洪洞不同运行组合下消能区河道的冲刷形态;通过对试验数据的回归分析,提出了冲坑与堆积体的预测公式;以下游岸坡安全及河道淤积最小化为参考指标,结合泄洪洞出口布置形式及消能区河道的水位流量关系,提出了一种兼顾安全和效益的调度方法。本文研究结果可供水利枢纽工程运行调度参考。

关键词(KeyWords)： 河岸泄水建筑物;冲刷深度;泄洪洞;运行调度;模型试验;白鹤滩水电工程

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划(2016YFC0401705);; 中国博士后科学基金(2019M661883)

作者(Author): 辜晋德,徐建荣,颜志庆,彭育,薛阳

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