双曲拱坝首次采用大中孔泄洪,是世界拱坝设计史上里程碑式的技术突破

欧阳海水利枢纽位于湖南省湘江一级支流舂陵水大峡谷处，是一个以灌溉为主，兼有发电、航运等综合效益的大（2）型水利枢纽工程。1966年开工，1975年建成。水库总库容4.25亿m3,灌溉面积72.99万亩。砼双曲拱坝，国际上首次采用坝身开大中孔泄洪，布置5孔11.5m×7m大中孔。坝后引水式电站，装机容量66MW（3×12MW+1×30MW）。

 

Golden Prize of National Quality Prize

Silver Prize of National Excellent Project Design 

Prize of Excellent Design of Ministry of Water Resources and Power 

Second Prize of Provincial Science-Technology Progress

The double-arch dam of the project, which firstly adopts large and middle size holes for flood discharging, is a milestone of arch dam design progress.

Ouyanghai Hydroproject is located in Chonglingshui Canyon of the first grade tributary of Xiangjiang River in Hunan Province. It is a large scale (Grade II) hydro-project, possessing comprehensive utilization benefits mainly for irrigation, incorporated with generation and navigation. Construction of the Project started in 1966 and accomplished in 1975. The total reservoir capacity is 0.425 billion m3 with irrigation area of 0.7299 million Mu. The dam adopts vaulted concrete dam, which has firstly adopted large and middle size holes of 11.5m×7m for flood discharging. The project adopts dam toe diversion cannel power station with installed capacity of 66MW (3×12MW+1×30MW).