Critical Shear Stress for Deposition of Cohesive Sediments in Mai Po

被引:18
作者
Chan, W. Y. [1 ]
Wai, Onyx W. H. [1 ]
Li, Y. S. [1 ]
机构
[1] Hong Kong Polytech Univ, Hong Kong, Hong Kong, Peoples R China
关键词
critical shear stress; deposition; cohesive sediments; flocculation; multiple class sediment; Mai Po;
D O I
10.1016/S1001-6058(06)60070-X
中图分类号
O3 [力学];
学科分类号
08 [工学]; 0801 [力学];
摘要
A series of tests was conducted to investigate the deposition behaviors of the cohesive sediments collected from Mai Po (Hong Kong) in wet seasons when the salinity was low. The sediment suspended by high shear stress in water with zero salinity was allowed to deposit by lowering the shear stress level. The results show that the sediment has a unique transport characteristic. The sediment began to deposit steadily once it undergoes a weaker shear stress. The underlying reasons of this phenomenon and the application to a sediment transport model are discussed in this paper.
引用
收藏
页码:300 / 305
页数:6
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