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Zhang, R. (author)Beach erosion, the loss of sand from a beach due to longshore and/or cross-shore sediment transport mechanisms, is a challenging problem. In order to stabilize the beach and to slow down the rate of beach erosion, the construction of hard hydraulic structures is a traditional option. Groins are one of the oldest man-made hydraulic structures...doctoral thesis 2020
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Le, T.B. (author), Crosato, A. (author), Montes Arboleda, A. (author)The Dutch River Waal, a branch of the Rhine, has been trained for centuries to mitigate the effects of ice-jams and improve navigation. The works, started in 1850, involved river straightening and narrowing by a series of transverse groynes. Besides fulfilling their goal, the groynes also created the need to raise flood protection works and...journal article 2020
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Ambagts, Lindert (author)In submerged conditions groynes add resistance to a river, thereby increasing the water levels for a particular discharge. Groynes are modelled in two ways, either they are included in the bed topography when the grid resolution is sufficiently high or with a sub-grid parametrisation when the grid cell-size is larger than the geometry of the...master thesis 2019
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Chit Yan Toe, Chit (author)In this research two problem statements are defined, namely (1) the validity of the assumption that groynes and weirs are equivalent in hydraulic models, and (2) the difficulty of modelling groynes and weirs in the 3D numerical solver package OpenFOAM. Using the incompressible 3D Navier-Stokes equations solver for multiphase phase flows, the so...master thesis 2018
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Platzek, F.W. (author)A river engineer is challenged with the task of setting up an appropriate model for a certain application. The model needs to provide suitable answers to the questions asked (i.e. be effective) and needs to do this within the available time (i.e. be efficient). To set up such a model with sufficient accuracy and certainty, a modeller needs to...doctoral thesis 2017
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Briele, A.C. (author)Permeable wooden pile groins have a long tradition as being part of the coastal protection in the Netherlands, as well as in Germany and the United Kingdom. They are built to protect beaches from eroding by reducing the current velocity along the beach and thus its ability to transport beach material. This type of groin is most popular among the...master thesis 2014
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Kruijt, M. (author)Groynes are commonly used in the major rivers in the Netherlands. They confine the flow of the river to a main channel but also act as resistance element once submerged and in that way influence the stage discharge relationship of the river. Several formulas exist describing groynes as a drag resistance. Another possible way of determining their...master thesis 2013
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Hoekstra, R. (author), Walstra, D.J.R. (author), Swinkels, C.S. (author)In October and November 2009 a pilot project has been executed at the Delfland Coast in the Netherlands, constructing three small sandy headlands called Sand Groynes. Sand Groynes are nourished from the shore in seaward direction and anticipated to redistribute in the alongshore due to the impact of waves and currents to create the sediment...conference paper 2012
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Kéri, B. (author)The study deals with the investigation of flow structures in groyne fields interacting with the flow generated by navigation. Groynes are traditionally constructed to ensure adequate water depth for navigation, so the interaction of navigation and groyne fields is nearly guaranteed. The Hungarian Danube section – which is part of the 7th...master thesis 2012
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Kana, T. (author)This primer describes some of the causes of coastal erosion and tries to put into perspective their scale and consequences. There are no uniform causes, just as there are no uniform solutions. Erosion tends to be site-specific. Yet, with careful observation and measurement, a particular problem can be placed in context and draw from the...report 2010
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Bardoel, J.W.S. (author)Rijkswaterstaat is responsible for maintaining the fairway of the river Waal for navigation for more than a hundred years. In the past problem areas, which cause hindrance for navigation and block the fairway, were prevented with structural measures. Dredging was used as a last resort. In 2005 the desired fairway depth was increased from BRV -2...master thesis 2010
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Castillo Rodriguez, J.T. (author)The use of pile groynes to reduce sediment exchange between river and harbour Introduction To reduce siltation in harbours located in rivers or waterways in order to decrease the high costs of dredging and maintenance of its basins, a need of searching measures to decrease the sediment exchange between river and harbour arises. Research One of...master thesis 2008
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van Broekhoven, R.W.A. (author)Om in de toekomst de veiligheid rondom de Nederlandse rivieren tegen overstromen te waarborgen heeft het kabinet het standpunt "Ruimte voor de Rivier" ingenomen. Hierin staat beschreven dat in 2015 een pakket aan maatregelen ervoor moet zorgen dat een maatgevende Rijnafvoer van 16.000 m³/s binnen de gestelde veiligheidsnormen moet kunnen worden...master thesis 2007
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Anonymus, A. (author)In 2006 is door Rijkswaterstaat een prijsvraag uitgeschreven voor het ontwerp van een innovatief ontwerp voor een rivierkrib. Een viertal inzendingen zijn uiteindelijk genomineerd: De Eilandkrib, Jack de Kribber, De module krib en De Zelfregulerende krib. Bijzondere vermeldingen waren er voor de Modulaire Variabele krib en de Powerkrib.report 2006
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de Jong, W. (author), Akkerman, G.J. (author)Overzicht van de beschikbare kennis over het functioneren van rivierkribben in binnen- en buitenland. Overzicht van zowel doorlatende en ondoorlatende kribben. Met name ervaringen uit de USA en uit India. Ook flexibele kribben komen aan de orde.report 2006
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Nguyen, N.H. (author)The Lower Mekong River area is a zone with plenty of natural resources and it has the highest agricultural production in Vietnam. The river passes though six provinces in the Southern patt of Vietnam, with more than 16 million in habitants in total. However, serious riverbank erosion problems occur and there is no master plan or mitigation...report 2006
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- Sloff, C.J. (author) report 2005
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- Jongeling, T.H.G. (author) report 2005
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- Jagers, H.R.A. (author), Mosselman, E. (author), Schijndel, S.A.H. van (author) report 2005
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- Schijndel, S.A.H. van. (author), Jagers, H.R.A. (author) report 2004