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Reading: Influence of Reference Bed Level on Computation of Bed Shear Stress in Open Channel Flow

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Influence of Reference Bed Level on Computation of Bed Shear Stress in Open Channel Flow

Authors:

K. P. P. Pathirana ,

University of Peradeniya, LK
About K. P. P.

Senior Lecturer, Department of Civil Engineering

BSc. Eng. (Hons)(Peradeniya), M.Eng., Ph.D., CEng., FIE (SL). MICE.

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P. C. Ranasinghe,

Road Development Authority, LK
About P. C.

Civil Engineer

B.Sc. Eng. (Hons.), (Peradeniya), AMIE (SL)

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U. R. Ratnayake

University of Peradeniya, LK
About U. R.

Senior Lecturer, Department of Civil Engineering

B.Sc. Eng. (Hons). (Peradeniya), M.Eng., D.Eng. (AIT. Bangkok), CEng., MIE (SL)

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Abstract

An accurate estimation of bed shear stress is essential for estimating sediment transport rates in streams, rivers and open channels. Precise velocity measurements were carried out in steady, uniform open channel flows over a rough bed with large scale roughness to compare different methods of estimating bed shear stress. Effect of reference bed level for measurement of water depth which is an important parameter for computing bed shear stress, was investigated.
How to Cite: Pathirana, K.P.P., Ranasinghe, P.C. & Ratnayake, U.R., (2006). Influence of Reference Bed Level on Computation of Bed Shear Stress in Open Channel Flow. Engineer: Journal of the Institution of Engineers, Sri Lanka. 39(3), pp.19–24. DOI: http://doi.org/10.4038/engineer.v39i3.7189
Published on 29 Jul 2006.
Peer Reviewed

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