PROCEEDINGS OF HYDRAULIC ENGINEERING
Online ISSN : 1884-9172
Print ISSN : 0916-7374
ISSN-L : 0916-7374
SEMI-TWO DIMENSIONAL NUMERICAL ANALYSIS OF BED EVOLUTION USING A GRAVEL-SILT PACKED BED MODEL
Masato SEKINEMasahiro HAYASHI
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2007 Volume 51 Pages 973-978

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Abstract

he knowledge about an actual condition of sediment transport at any local point in river is now needed as basic information before we discuss the preferable state of river system. In this study, semi-2D numerical model was developed to make the long-term prediction of river bed deformation as well as the local sediment sorting be possible. Gravel-silt packed bed model(2005) was included in the developed numerical model, which was applied to Sakawa River, which was a steep gravel bed river in Kanagawa Prefecture. Based on the result of sample calculation, the numerical model was found to work fairy well in terms of qualitative consideration.

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© by Japan Society of Civil Engineers
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