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- Harteveld, Maurice (author), van den Brink, T.M. (author), Tsigoni, Fotini (author) report 2023
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Crevels, Eric (author), Mejia Hernandez, J.A. (author)The study of built objects has always played a key role in the education of the architect. At the earliest stages of training most of us sat in front of buildings and drew them, trying to capture their overall features and minute details. What appears simple is, in fact, an extremely meaningful exercise. It presumes that drawing an existing...report 2023
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- Jafari, S. (author), Esposito, R. (author) report 2017
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- Jafari, S. (author), Esposito, R. (author) report 2017
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Zhao, G. (author), Visser, P.J. (author), Peeters, P. (author)Embankment breaching is a composite process coupled by hydraulic processes and sediment transport processes. Erosion is the link in the interaction between breach flow and embankment material. Surface erosion starts in the initial breach phase and triggers the initial damage of the embankment. As the surface erosion develops completely, the...report 2014
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Schmets, A.J.M. (author), Nahar, S.N. (author), Dillingh, B. (author), Fischer, H. (author), Scarpas, A. (author), Erkens, S. (author)In this report we present the background, the scientific and experimental approach and the results of AFM experiments performed on two different batches of bitumen. The specific bitumen researched in this project has also been studied in the context of the InfraQuest project ‘Pragmatisch Healing Onderzoek’. It has been known for quite some time...report 2012
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Arneson, L.A. (author), Zevenbergen, L.W. (author), Lagasse, P.F. (author), Clopper, P.E. (author)This document is the fifth edition of HEC-18. It presents the state of knowledge and practice for the design, evaluation and inspection of bridges for scour. There are two companion documents, HEC-20 entitled "Stream Stability at Highway Structures", and HEC-23 entitled "Bridge Scour and Stream Instability Countermeasures". These three documents...report 2012
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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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- Hofland, B. (author) report 2002
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Mikula, R.J. (author), Omotoso, D. (author), Zrobok, R. (author), Kasperski, K.L. (author), Xu, Y. (author)Slurry tank conditioning as an oil sands process step prior to extraction can be expected to produce a tailings material significantly different from conventional Clark hot water process tailings. Recycle water pond design and operation will depend upon the settling and consolidation properties of the fine tailings stream, and these properties...report 1997
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de Jonge, J.B. (author), Hol, P.A. (author)Fatigue meter data obtained during operational flights of Fokker F27 and Fokker F28 aircraft were re-processed and analyzed to study the variation in load experience between different aircraft of the same type. The Data covered about 470000 flights, made by 101 aircraft of 51 different operators. A simple algorithm was developed to quantify the...report 1996
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Sijtsma, P. (author)A theory is presented to calculate acoustic modes in a circular flow duct lined with porous material. The porous material is divided into annular segments by a rigid structure, which prevents axial sound propagation from one segment into the other. Single modes cannot exist in such a configuration, but it is shown that approximate solutions of...report 1996
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Oldersma, A. (author), Wanhill, R.J.H. (author)Discussions between D-BAA and the NLR have shown that significant variability in fatigue crack growth properties is possible for the industry standard damage tolerant aluminium alloy, 2024-T3 sheet. This is important for two reasons: (1) design assumptions and (2) comparisons of different candidate materials, such as 6013-T6, with 2024-T3....report 1996
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Wanhill, R.J.H. (author)This paper reviews currently available information on corrosion and fatigue in aircraft as a background to discussing the assessment of corrosion and fatigue damage. The main topics are: - aircraft operating environments and loads - corrosion - fatigue - corrosion and fatigue - corrosion and fatigue damage assessment. Aircraft structures are...report 1995
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Wanhill, R.J.H. (author)This report reviews currently available information on corrosion and fatigue in aircraft as a background to discussing the assessment of corrosion and fatigue damage. The main topics are: * aircraft operating environments and loads * corrosion * fatigue * corrosion and fatigue * corrosion and fatigue damage assessment. Aircraft structures are...report 1994
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Wanhill, R.J.H. (author)This report contains the overhead sheets of a short course on fatigue and fracture of aerospace aluminium alloys, plus an annex in the form of a review paper.report 1994
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Csiti, A. (author)The problems associated with contaminated dredged material disposal (basically lack of disposal sites and potential adverse environmental impacts) have become major issues in many industrialized and developing countries. The sediment removed for environmental reasons is obviously contaminated, but in many cases the sediment removed during normal...report 1993
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van Rijn, J.C.F.N. (author)The blunt notch behaviour of metal laminates has mostly been described using concepts which were developed to describe the blunt notch behaviour of metals. In the current work the applicability of fracture models which were developed for composites to describe the blunt notch behaviour of metal laminates is assessed. It is shown that three...report 1992
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Oldersma, A. (author)Composite materials with more than one type of fiber in one matrix are known as hybrid composites. In this work the fatigue behaviour of composite materials is discussed and the behaviour of hybrid composites is related to simple (single-fiber) composites. The properties and the behaviour of hybrid composites can mostly be explained...report 1991
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The publication, "Dredging for Development", is the third edition of an introduction to dredging for port development. The publication is particularly intended for government officials and port managers from developing countries and is written in non-technical language. It discusses the nature of dredging, its importance and objectives, the...report 1991