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

Incipient Motion of Bed Load Sediment and Its Application in the Three Gorges Hydro Project
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摘要 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... 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 model...
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)
出处 《四川大学学报（工程科学版）》 EI CAS CSCD 北大核心 2005年第S1期102-105,共4页 Journal of Sichuan University (Engineering Science Edition)
基金 Supported by Doctorial Fund of Ministry of Education (2002-173) and (2003-172)
关键词 non-uniform sediment incipient motion bed load Three Gorges Hydro Project non-uniform sediment incipient motion bed load Three Gorges Hydro Project
分类号 P512.2 [天文地球—地质学]
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四川大学学报（工程科学版）
2005年 第S1期

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