Knowledge Management System of Institue of Mechanics, CAS
On local scour around spur dikes | |
Liu QQ(刘青泉); Chan L; Li JC(李家春); Liu, QQ (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China. | |
会议录名称 | STOCHASTIC HYDRAULICS 2000 |
2000 | |
会议名称 | 8th International Symposium Stochastic Hydraulics |
会议日期 | JUL 25-28, 2000 |
会议地点 | BEIJING, PEOPLES R CHINA |
摘要 | Estimation of possible maximal scour depth around the head of spur dikes is an important step in the design of spur dikes foundation. This paper briefly analyses the characteristics of flow pattern and the complex eddy structure near the head of the spur dike. The strong rotational flow exhibits high shear stress resulting in intense local scour. Staring from the sediment continuity equation and the eddy's pick-up action on the sediment, a semiempirical method for unsteady flow and stratified bed case has been established to show the time evolution of the local scour around the spur dike head. The method proposed in the present paper has been applied to simulate the local scour process of S1 and S2 spur dikes of the waterway project in the Yangtze River estuary. The computed and measured depths of scour holes agree fairly well with each other exhibiting its satisfactory prediction capability. |
WOS记录号 | WOS:000089017700020 |
ISBN号 | 90-5809-166-X |
收录类别 | CPCI-S |
语种 | 英语 |
引用统计 | |
文献类型 | 会议论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/58963 |
专题 | 力学所知识产出(1956-2008) |
通讯作者 | Liu, QQ (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China. |
推荐引用方式 GB/T 7714 | Liu QQ,Chan L,Li JC,et al. On local scour around spur dikes[C]STOCHASTIC HYDRAULICS 2000,2000. |
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