Through hydraulic model test, this paper presents the hydraulics study results on overflow arch dam of Jinxi Hydroelectric Station, and puts forward an optimum configuration of overflow weir and subsidiary dam height for satisfying projet requests.

• 通过室内物理模型,对金溪一级电站溢洪道水力学问题进行试验研究,提出了满足工程要求的较优的溢流堰体型和二道坝高度。