水电站尾水河道疏浚开挖的研究  

Study on Dredging of Tailrace Riverway of Hydropower Station

作　　者：王卫国[1] 陈念水[1] 周恒[1] 

机构地区：[1]中国水电顾问集团西北勘测设计研究院,西安710065

出　　处：《西北水电》2012年第1期26-28,共3页Northwest Hydropower

摘　　要：通过对某水电站尾水河道疏挖水力学计算和水下开挖方案的研究,提出了水电站尾水疏挖的推荐方案和施工方法。通过尾水疏挖后,电站可增发电量0.8亿kWh,经济效益十分显著。尾水疏挖是充分开发利用河段水力资源、水电站增发电量的有效途径,在工程实践中应加以推广应用。Through study on dredging hydraulics computation and scheme for excavation under water of the tailrace riverway of one hydropower station,recommended scheme and construction method of the tailrace dredging of the hydropower station are raised.After the tailrace is dredged,80 million kWh power generation from the hydropower station can be increased.The economic benefit is quite outstanding.The tailrace dredging is one effective way to fully develop and utilize hydraulic resource of the reach and increase power generation.It shall be widely developed and applied in engineering practice.

关 键 词：水电站尾水 疏挖 河床基岩 开挖 增发电量 

分 类 号：TV851[水利工程—水利水电工程]