Searched for: faculty:"Civil%5C+Engineering%5C+and%5C+Geosciences"
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Hoogendoorn, S.P. (author), Bovy, P.H.L. (author)
This report represents the second report in regarding macroscopic traffic flow modelling. In this report we present a multiple lane generalisation of the aggregate-lane multiple user-class model. Key to its derivation is the lane-specific multiple user-class phase-space density (MUCPSD), generalising the traditional spatial density by...
report 1998
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Hoogendoorn, S.P. (author), Bovy, P.H.L. (author), Van der Zijpp, N.J. (author)
In the course of the Telematics implications Programme Transport of the European Commission Fourth Framework Research Programme much attention is devoted to evaluation and demonstration. This report is part of the DACCORD project TR1017, devoted to the development and application of co-ordinated traffic control in freeway corridors. The report...
report 1997
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Fontijn, H.L. (author)
This report gives information about the hydrodynamic coefficients of a box-shaped ship with zero speed of advance in case of pure swaying and yawing on shallow water. In the horizontal plane a harmonically oscillating motion is imposed on the ship; the hydrodynamic coefficients for the modes of motion of the ship are determined from the exciting...
report 1975
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Dankers, P.J.T. (author)
In 2001 a DIOC-project was started at Delft University of Technology on the behaviour of mud in the water column. In this project the behaviour, spreading and settling velocity of fines is studied. After an introductional literature review on the behaviour of fines released due to dredging, the focus was placed on the behaviour of the fines on...
report 2005
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Wintgens, P. (author)
doctoral thesis 1948
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De Vries, W.E. (author), Vemula, N.K. (author), Passon, P. (author), Fischer, T. (author), Kaufer, D. (author), Matha, D. (author), Schmidt, B. (author), Vorpahl, F. (author)
With the number of offshore wind farms rapidly increasing, in a wide variety of site conditions and using different turbine sizes, the need for alternative support structures other than the conventional monopile structure is apparent and several projects have been realised using other support structure types. In this report the results of Upwind...
report 2011
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Vellinga, P. (author), Katsman, C.A. (author), Sterl, A. (author), Beersma, J.J. (author)
klimaatverandering
report 2008
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Reinhardt, H.W. (author)
Uniaxial impact tensile tests on plain concrete were carried out with the aid of Split Hopkinson Bar equipment with stress rates of up to 60000 N/mm2. s. Various concrete mixes were investigated under. dry and wet conditions. All the concretes showed an increase in strength with increasing stress rate. At very high stress rates the strength may...
journal article 1982
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Braam, C.R. (author), Schumacher, P. (author), Walraven, J.C. (author)
report 2001
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Paape, A. (author)
Overzicht van de ontwerpmethoden voor havendammen, golfbrekers en geleidedammen.
lecture notes 1962
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De Jong, D.M. (author), Knoop, V.L. (author), Hoogendoorn, S.P. (author)
lecture notes 2013
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Rings, J. (author), Vrugt, J.A. (author), Schoups, G. (author), Huisman, J.A. (author), Vereecken, H. (author)
Bayesian model averaging (BMA) is a standard method for combining predictive distributions from different models. In recent years, this method has enjoyed widespread application and use in many fields of study to improve the spread-skill relationship of forecast ensembles. The BMA predictive probability density function (pdf) of any quantity of...
journal article 2012
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Edixhoven, J.D. (author), Gupta, J. (author), Savenije, H.H.G. (author)
Phosphate rock (PR) is a finite mineral indispensable for fertilizer production, while P (phosphorus) is a major pollutant if applied or discharged in excess, causing widespread eutrophication (Carpenter and Bennet, 2011). High-grade PR is obtained from deposits which took millions of years to form and which are gradually being depleted....
journal article 2014
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Vreedenburgh, C.G.J. (author)
journal article 1962
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Ye, G. (author), Van Breugel, K. (author)
In recent years, the durability of reinforced or prestressed concrete structures has become a main concern. A key parameter in durability predictions is the microstructure of the surface zone of concrete structures, i.e. the “covercrete”, more in particular the connectivity of the pores in the cement paste matrix. In this paper, the connectivity...
journal article 2009
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Arbi, K.A. (author), Nedeljkovic, M. (author), Zuo, Y. (author), Grunewald, S. (author), Keulen, A. (author), Ye, G. (author)
This paper presents an investigation on workability and strength of geopolymer concrete made of fly ash (FA), blast furnace slag (BFS) and a multicompound activator of Na2SiO3 and NaOH solutions. The FA/BFS ratios were 100:0, 70:30, 60:40, 50:50, 40:60, 30:70 and 0:100. The workability of geopolymer concretes was performed by using slump test...
conference paper 2015
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Hoving, J.S. (author), Vermeulen, R. (author), Mesu, A.W. (author), Cammaert, A.B. (author)
Jack-ups have been constructed for numerous ocean environments, but to date there has been no operating experience under Arctic sea ice conditions. The current state of jack-up technology does not allow working outside the ice-free season and thus ice management will be needed to extend the drilling season. Currently, ice load calculations are...
conference paper 2013
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de Zeeuw, R.C. (author), de Schipper, M.A. (author), Roelvink, D. (author), de Vries, S. (author), Stive, M.J.F. (author)
Assessing swimmer safety along the Dutch coast entails more than only assessing the risk of rip currents. Seven criteria have been formulated to make a comprehensive assessment of swimmer safety along the Dutch coast. These are based on interviews with lifeguards, rescue report statistics and detailed lagrangian measurements of the current...
conference paper 2012
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Van Zuylen, J.A. (author), Sloff, C.J. (author)
This study deals with the development of deep scour holes in the river bed of the Dutch Rhine delta in the Netherlands. Assessment of multi-beam surveys, laboratory-flume experiments, and 3D numerical modelling, shows how fast this type of scour holes grows in depth and width. These typical scour holes are found in the tidal deltaic rivers that...
conference paper 2015
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Zhang, Y. (author), Wu, B. (author), Zhou, J. (author), Ye, G. (author), Shui, Z. (author)
Concrete containing supplementary cementitious materials (SCMs) has different durability properties from that containing pure Portland cement. The durability of concrete is always associated with the properties of microstructure, especially pore structure. Pressurization–Depressurization Cycling Mercury Intrusion Porosimetry (PDC-MIP) was...
conference paper 2014
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