飞跃拱坝位于钟山县花山水库电站下游100多米,是拦截电站尾水进入总干渠的渠首建筑物。拱坝结构采用装配式混凝土预制空心箱,是定圆心、等外半径的单曲拱坝,最大坝高7米(其中基础砌石2米,予制件装配5米),拱的平均半径14.5米,最大中心角91度,最小中心角54度,混凝土予制空心箱的挡水面板及背水面板厚均为10厘米。筑坝方法采用缆索吊装,用两台起吊能力为1吨的电动卷扬机作水平移动和垂直移动 Leiyue Arch Dam is located in more than 100 meters downstream of Huashan Reservoir Power Station in Zhongshan County, and is a drainage structure that intercepts the tailrace of the power station into the main canal. Arch dam structure using prefabricated prefabricated hollow box prefabricated, is the center of the circle, the outer radius of the single arch dam, the maximum dam height of 7 meters (of which the basic masonry 2 meters, prefabricated assembly of 5 meters), the average radius of the arch 14.5 Meters, the maximum center angle of 91 degrees, the minimum center angle of 54 degrees, the concrete prefabricated hollow box water retaining panel and back water thickness of 10 cm. Dam construction method using cable hoisting, with two lifting capacity of 1 ton of electric winch for horizontal and vertical movement