IMECH-IR  > 力学所知识产出(1956-2008)
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.
Source PublicationSTOCHASTIC HYDRAULICS 2000
2000
Conference Name8th International Symposium Stochastic Hydraulics
Conference DateJUL 25-28, 2000
Conference PlaceBEIJING, PEOPLES R CHINA
AbstractEstimation 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 IDWOS:000089017700020
ISBN90-5809-166-X
Indexed ByCPCI-S
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58963
Collection力学所知识产出(1956-2008)
Corresponding AuthorLiu, QQ (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China.
Recommended Citation
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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