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Optimization design and experiment study of two-bend spillway
Author(s): 
Pages: 324-328
Year: Issue:  2
Journal: JOURNAL OF SOUTHWEST UNIVERSITY FOR NATIONALITIES(NATURAL SCIENCE EDITION)

Keyword:  溢洪道弯道斜槛法模型试验;
Abstract: 重庆市小南海水库溢洪道由于地形地质条件的限制,设计成两个弯道且弯道的曲率小,坡降大.两岸水面高差超过允许值,水流分布极不均匀,以至在消力池内形成回流.通过水工模型试验对该溢洪道的水力特性进行了研究,针对弯道存在超高及冲击波等问题最终采用了斜槛法.经多次试验,选定了斜槛数量、布置角度及高度.研究表明,优化后在各工况下得到的水力要素如横向高差、流速、水面线等,都达到了工程设计的要求.
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