Record nummer 2001740
Titel The influence of turbulence on soil erosion
toon extra info.
Gijs J.C.M. Hoffmans
Auteur(s) Hoffmans, G.J.C.M.
Uitgever Delft : Eburon
Jaar van uitgave 2012
Pagina's 248 p fig., graf., tab
Titel van reeks Deltares select series (ISSN 1877-5608 ; vol. 10)
ISBN 9789059726826
Op papier Haal het document, vind aanverwante informatie of gebruik andere SFX-diensten
Trefwoorden (cab) erosie / watererosie / turbulentie
Rubrieken Erosie
Publicatie type Boek
Taal Engels
Toelichting (Engels) This publication outlines the relevance of turbulence on the initiation of motion of soil and explains the interaction between the load and the resistance against erosion or the strength of the bed material. The stability of stones, sand, clay and grass is discussed by using Newton’s second law and a definition of the turbulence energy. Usually the equilibrium scour depth caused by jets and at piers/abutments is predicted by applying empirical relations. This publication discusses a scour approach which is based on two steps. First, a control volume that represents the scour hole is considered. Secondly, the relevant forces are determined. Newton’s second law is applied, that is, the sum of forces equals zero since the scour hole is in equilibrium. This approach is discussed for different types of jet scour and scouring downstream of sills and near bridge piers and abutments.
Betrokken instanties Deltares
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