Incipient Motion of Bed Load Sediment and Its Application in the Three Gorges Hydro Project

HE Wenshe~(1; 3) CAO Shuyou~2 YUAN Jie~3 DAI Huichao~3 (1.Lanzhou Jiao Tong Univ.; Lanzhou 730070; China; 2.State Key Lab.of Hydraulics and Mountain River Eng.; Sichuan Univ.; Chengdu 610065; China; 3.China Yangtze Three Gorges Project Development Corporation; Hubei Yichang 443002; China)

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Incipient Motion of Bed Load Sediment and Its Application in the Three Gorges Hydro Project

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A formula for the calculation of critical shear stress of non-uniform sediment was developed by on river bed has been established while considering the relative degree expose of grains.The values of the Coeffi- cients in the formula have been obtained.The formula has been verified with prototype observation data, flumes data of both nature and lightweight sand.The computed results fully reflect the characteristics of thresh- old motion of non-uniform sediment.The result have been used in some physical mo...

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《工程科学与技术》 |2005年第s1期|102-105|共4页
作者
HE Wenshe~(1; 3) CAO Shuyou~2 YUAN Jie~3 DAI Huichao~3 (1.Lanzhou Jiao Tong Univ.; Lanzhou 730070; China; 2.State Key Lab.of Hydraulics and Mountain River Eng.; Sichuan Univ.; Chengdu 610065; China; 3.China Yangtze Three Gorges Project Development Corporation; Hubei Yichang 443002; China);
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中图分类剥蚀作用、搬运作用、沉积作用;
关键词
non-uniform sediment; incipient motion; bed load; Three Gorges Hydro Project;

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Incipient Motion of Bed Load Sediment and Its Application in the Three Gorges Hydro Project

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