The characteristics of an ungated overflowspillway are investigated. Some important design aspect and hydraulic computation methods for the spillway entrance zone are discussed.
本文分析了无闸控制溢洪道的特点，讨论了溢洪道进口段水力设计中的几个主要问题和水力计算方法。
2
The paper focuses on the key and difficult technical problem of crest overflow of concrete face rockfill dam, analyses and researches spillway on dynamical and static stability.
本文针对溢流混凝土面板堆石坝坝顶溢流的关键技术难题，分析研究了溢洪道的静力和动力稳定性。
3
The concrete placement for spillway and overflow weir at Dongba Hydropower Station employs light truss type formwork.