Searched for: faculty%3A%22Civil%255C%252BEngineering%255C%252Band%255C%252BGeosciences%22
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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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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
document
Roelen, S. (author)
This thesis proposes a methodology towards quantifying the uncertainty resulting from the density and spatial arrangement of samples and assessing their effect on forecasting key performance indicators, related to dredging and (wet) mining operations. Aside from quantifying this uncertainty, another objective of this research is to develop a...
master thesis 2016
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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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Van Dijk, N.N. (author)
In this research we studied the behaviour of dredged glacial till in the creation of a landfill. An experimental approach is used where we primarily focussed on the settling and consolidation characteristics. Till is in general a well graded, non sorted material and segregation during dredging and transportation can be expected. The aims of this...
master thesis 2016
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Swart, R.N. (author)
There are many locations where the accumulation of mud poses a problem. In lakes it can have a negative influence on the ecological situation and in port basins it can hinder traffic. Usually these mud deposits are removed periodically with regular dredging vessels. Looking at the continuous nature of the mud deposition and at the trend of an...
master thesis 2015
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Brandt, J. (author), Minnee, K. (author), Kramer, V. (author), Gerrits, S. (author), Winter, R. (author)
The authorities of Argentina wish to improve the accessibility of the ports located in the Río de la Plata and upstream to the Paraná River. The water depth in the Río de la Plata is very shallow and did not suffice for vessels to navigate. Therefore navigation channels have been dredged. Ship drafts have increased in time and nowadays there is...
student report 2015
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Van Oeveren, M.I.J. (author)
The Dutch shipbuilding industry has a real competitive force in building complex, specialized and multipurpose vessels (Rabobank, 2014). However, the Dutch maritime sector has to deal with strongly growing competition worldwide. For the dredging sector this implies the need to innovate in order to remain competitive. This research focuses on the...
master thesis 2015
document
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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Bijmolt, M.J. (author)
The development of dredging as a major player for surface mine applications has led Royal IHC, a large equipment supplier and consultant for dredging and mining operations, and the TU Delft to work on more advanced optimizations techniques for the design of dredge mines. Three implications of the design of a dredge mine were found to be crucial...
bachelor thesis 2014
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Van Adrichem, H.L.A. (author)
Large-scale river projects are executed on the Dutch rivers to meet increased flood conveyance standards. Because the projects bring variation to the standardised river profile, they are expected to induce increased river dynamics. The consequences are higher dredging costs and more disruption to inland navigation. All river intervention plans...
master thesis 2013
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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
document
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
document
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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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
document
Parasie, N. (author)
Seafloor Massive Sulfide (SMS) contains high levels of metals such as copper and gold. Water depths of 2000 up to 3000 meter make mining of SMS a challenge. Despite this, mining industry encourages research into feasible extraction methods of SMS, pushed by the high metal prices nowadays. This research focuses on the influence of hydrostatic...
master thesis 2009
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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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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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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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