Searched for: department%3A%22Hydraulic%22
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Nieman, A. (author)
Determining the way to make a reclamation project with many excavation areas or borrow areas, and several pieces of dredging equipment at minimum costs takes too much time to do by hand. A linear programming application is made to support the allocation of excavation areas and pieces of equipment to reclamation areas. Such an application was...
master thesis 2001
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Verweij, J.F. (author)
In 1984 en 1985 hebben proeven aangetoond dat het mogelijk is om dichtheidsstromen op te wekken van water met een hoog sedimentgehalte. Het onder lage druk (ca. 1 bar) injecteren van water in de bodem, het zogenaamde 'jetten' verdunt de bodem tot een water-sedimentmengsel. Door het verschil in dichtheid tussen het water-sedimentmengsel en het...
master thesis 1997
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Onderwater, M. (author)
People always want to live near water and all over the world the areas near the sea get more and more built with houses, hotels and infrastructure. For this reason there is a trend to reclaim land by making an artificial island near or against the existing coast. Examples are the airport 'Chek Lap Kok' in Hong Kong and the 'Plan Waterman', a...
master thesis 1997
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Van Aalderen, M.W. (author)
Royal Boskalis Westminster nv is an international group with a leading position in the world market for dredging services. In most practical cases a jet installation or a big discharge aperture is used for the fast unloading of a load of sand. When a relative small discharge opening, without the use of a jet installation, is used to unload a...
master thesis 2009
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Bots, O.C.P. (author)
=Introduction= Worldwide there is an increasing amount of dredging activities, due to increasing demand for transport of goods over the world. These project are more and more near sensitive nature reserves and thereby a potential threat of biodiversity; which is a major concern for port developers, authorities, environmental organizations and...
master thesis 2013
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De Koning, R.J. (author)
The study into sand wave dynamics in South Channel has commenced after large dune forms were observed in monitoring campaigns following the channel deepening project of the Port of Melbourne. The project involved deepening of the harbour berths and channels, but more importantly, it involved the deepening of South Channel in Port Phillip Bay....
master thesis 2017
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Van Berkel, T. (author)
De Waal is de meest bevaren rivier van Europa, jaarlijks wordt er zo'n 150 miljoen ton vracht over getransporteerd. Dit zal de komende 10 jaar met 40% toe nemen. Rijkswaterstaat heeft om de bevaarbaarheid en veiligheid te kunnen blijven waarborgen het Waalproject opgezet. Hoofddoelstelling van dit project is het vergroten van de vaargeul bij OLR...
master thesis 1999
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Vessies, W.C.N. (author)
The Maasvlakte II project is a joint venture between Boskalis and Van Oord. During the construction, they have measured the relative density for different kind of work methods, by making cone penetration tests. The result of those measurement is, that the measured relative density for the Maasvlakte II project is higher than the values that can...
master thesis 2012
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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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Burgmans, S.H. (author)
De sleephopperzuiger is een vrijvarend schip dat natte grond verzet. De sleephopperzuiger kan zijn lading lossen door deze via de boeg door een nozzle (tromp) te lanceren. Deze losmethode heet rainbowen. Rainbowen van medium en grof zand is gebruikelijk, wat wil zeggen een korreldiameter van 200 µm tot 2000 µm. Bij rainbowen bestaat er grote...
master thesis 2003
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Zimmermann, N. (author)
The Westerschelde estuary in the South-West of the Netherlands displays two meandering flood and ebb channels separated by shoals. The system of flood, ebb channel and shoal between two channel crossings form a morphological cell. The stability of the serial cell system formed by the Westerschelde is important for the navigation route to the...
master thesis 2009
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Radermacher, M. (author)
Dredging and reclamation works are known to generate significant amounts of turbidity. In most coastal zones around the world, the resulting clouds of suspended fine sediment bring along environmental risks. Dredging contractors take mitigating measures to prevent free spreading of turbidity, which is usually also demanded by their clients and...
master thesis 2013
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Flierman, M.W.T. (author)
River systems are vastly changing environments, not only due to natural process, but also human intervention plays an important role. With the many different river functions at play, large amounts of maintenance budgets are associated with river management. For decision makers it is important to know expected costs or losses and the spread...
master thesis 2017
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Sonke, E. (author)
Op basis van periodiek uitgevoerde lodingen en dichtheidsmetingen uit de periode 1994-1995 is in dit rapport meer kennis over het gedrag van sliblagen en de dichtheidsopbouw van deze lagen in de Maasmond en het Caland-Beerkanaal verkregen. De probleemstelling luidde als volgt : Hoe verschilt de dichtheidsopbouw van sliblagen per peiling en/of ...
master thesis 1996
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Bartstra, T.P. (author)
Structural vibrations are a known cause of damage to offshore structures and equipment. A Cutter Suction Dredger (CSD) is a dredge vessel known to vibrate heavily during operation. Primary cause of these vibrations is the cutting process, performed to cut and excavate soil from the seabed. A component prone to damage is the cutter ladder, a...
master thesis 2016
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Kisoensingh, J. (author)
Over the last centuries, Dutch rivers such as the Rhine have been heavily trained for the purpose of the safe discharge of water, sediment and ice, and navigability. After the notorious flood events of 1993 and 1995 along the Rhine, new large-scale river works were initiated, such as the Room for the River (RfR) programme, to increase flood...
master thesis 2015
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Siegfried, A. (author)
Veldonderzoek naar het effect van baggermaatregelen (zowel baggeren als storten) in de Waal op de morfologie van de rivier.
master thesis 2000
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Aarts, C.M.M. (author)
Tijdens het zuigen van zand met een sleephopperzuiger wordt doorgeladen nadat het overvloeiniveau is bereikt en zal het gezogen debiet via de overvloeikoker overboord verdwijnen. Met dit mengseldebiet zal ook vaste stof overboord verdwijnen. De hoeveelheid vaste stof die overboord verdwijnt wordt het overloopverlies genoemd. De verhouding tussen...
master thesis 1996
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Van Eeten, S.A. (author)
In de baggerpraktijk gaat het vooral om de hoeveelheid zand die geladen kan worden en de tijd die daarvoor nodig is. Om de kosten van het project te kunnen bepalen, is een nauwkeurige schatting van het benodigde aantal beunladingen gewenst. Het bepalen of berekenen van porienvolumes in een beun levert de nodige problemen op. Daarom wordt vaak...
master thesis 1999
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Runge, A.C. (author)
De concentratie van het opgezogen zandwatermengsel en de mate van turbulentie in het beun van een sleephopperzuiger zijn van grote invloed op de snelheid van bezinken van het zandwatermengsel in het beun. Om de kennis van deze invloedsfactoren op de snelheid van bezinken te vergroten is een proefopstelling gebouwd waarin de bezinking van...
master thesis 1999
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