Threshold for initiation of motion of unimodal and bimodal sediments

查看全文 作　　者：Shaileshkumar [1]B.PATEL;Prem Lal [2]PATEL;Prakash Devidas [3]POREY

机构地区：[1]Water Resources Engineering,CED,Sardar Vallabhbhai National Institute of Technology,Surat-395007,India;[2]Department of Civil Engineering,Sardar Vallabhbhai National Institute of Technology,Surat-395007,India;[3]Sardar Vallabhbhai National Institute of Technology,Surat-395007,India

出　　处：《International Journal of Sediment Research》索引2013年第28卷第1期,共10页

基　　金：the department of science and technology(DST),New Delhi,Government of India,for providing funding for the research project 'Erosion of non-uniform unimodal and bimodal sediments'(Project Grant No.SR/S3/MERC/015/2009) 摘　　要：Experimental data,obtained from previous studies,on Critical Tractive Stress(CTS) of non-uniform sediments, have been used to verify the adequacy of existing relationships for CTS of non-uniform bimodal sediments.Keeping in view the performance of such relationships,a new relationship for computation of dimensionless CTS of individual size fraction of non-uniform unimodal and bimodal sediments has been proposed in the form of power law.The coefficient and exponent of the proposed power law have been empirically correlated with sediment characteristics for available sediment data.The proposed relationship has been validated with independent flume and field data to assess their applicability for unimodal and bimodal sediments. 关键词：沉积物特征双峰单峰运动阈值非均匀沙 CTS 实验数据

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Threshold for initiation of motion of unimodal and bimodal sediments

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