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长江口典型丁坝坝头冲深计算模式选择与验证
引用本文:季永兴,何刚强,卢永金. 长江口典型丁坝坝头冲深计算模式选择与验证[J]. 水利水运工程学报, 2000, 0(4): 43-47
作者姓名:季永兴  何刚强  卢永金
作者单位:上海市水利工程设计研究院,上海,200051
摘    要:根据长江口的水文泥沙特性和丁坝的特征 .探讨了适合于长江口典型丁坝坝头最大冲深计算的模式 ,为丁坝坝头冲刷坑深度计算和判断冲刷坑的稳定性提供依据 .并给出了适合于长江口典型丁坝坝头床沙起冲流速的估算式 .

关 键 词:丁坝  冲深  起冲流速  长江口

Model selection and verification for a typical spur dike''s scour depth in the Yangtze River Estuary
JI Yong-xing,HE Gang-qiang,LU Yong-jin. Model selection and verification for a typical spur dike''s scour depth in the Yangtze River Estuary[J]. Hydro-Science and Engineering, 2000, 0(4): 43-47
Authors:JI Yong-xing  HE Gang-qiang  LU Yong-jin
Abstract:Based on the analysis of computing formulas of scour depth around spur dikes all over the world and the characteristics of hydrology and sediment in the Yangtze River Estuary, a suitable computing model for the scour depth around a typical spur dike in the Yangtze River Estuary is elaborated in the paper . According to the measured data, the practicality of the computing formulas is verified, and the estimated formula for the initial scour velocity in front of the dike is given.
Keywords:spur dike  scour depth  initial scour velocity  Yangtze River Estuary
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