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松山溢洪道总长 1 80 m ,由进水渠、溢流堰体、泄槽、挑流鼻坎及尾水渠组成。溢洪道单宽流量较大 ,泄槽流速较高 ,最高达 35 .5 2 m/s,针对高速水流区的特点 ,经计算分析 ,在桩号 0 +0 85 m断面布置掺气设施 ,以解决高速水流带来的空蚀问题。同时将泄槽底板结构采用全搭接方式 ,泄槽底板排水 ,利用既经济又便于施工的马来西亚第三代软式透水管 ,从而保证溢洪道的安全运行。
Matsuyama spillway a total length of 1 80 m, by the intake channels, weir overflow, leakage tank, pick the nose ridge and tail canal composition. The spillway has a large single-width flow rate and a high discharge velocity of up to 35.52 m / s. According to the characteristics of the high-speed water flow area, the aeration facilities are arranged on the 0 +0 85 m section of the station with aeration facilities Cavitation erosion caused by high-speed water flow. At the same time, the structure of the gutter floor is fully lapped, the gutter floor is drained, and the third generation of soft water pipes in Malaysia, which is economical and easy to construct, is used to ensure the safe operation of the spillway.