Searched for: subject:"erosion"
(1 - 20 of 427)

Pages

document
Bruins Slot, Hilco (author)
The Netherlands is a country prone to flooding. Recent assessments led to the insight that protection levels of many flood defences should be increased. Integrating reinforcement measures is a difficult task as many dikes are situated in densely populated areas. Conventional reinforcement measures include berm construction or the implementation...
master thesis 2021
document
de Haas, Huck (author)
The Gulf of Mottama, located in the southwest of Myanmar, is home to morphologically interesting processes. An entrance of around 100 km wide narrows into a funnel­shaped bay towards the Sittaung River in the north. The entire estuary region is subject to strong dynamic morphological activity which is alleged to be driven by the large tidal...
master thesis 2021
document
Hoogendoorn, Hugo (author)
Sandy beaches can be found all over the world and are on the interface between the sea and the land. Important functions of beaches are the protection of the inland to the forces of the sea and providing local opportunities in recreation. The impact of storm events on the beach is therefore an important topic of research especially with future...
master thesis 2021
document
Duro, G. (author)
Banks constitute important areas for the river ecology since they provide a multitude of favourable conditions for flora and fauna. The hydromorphological diversity typical of these transitional zones between water and land, and the associated processes of erosion and accretion, make riverbanks vital for many aquatic and riparian plants and...
doctoral thesis 2021
document
Alhaddad, S.M.S. (author)
Underwater slope failure is a common problem in the fields of geotechnical, dredging and hydraulic engineering, posing a major risk to submerged infrastructure and flood defences along coasts, rivers, and lakes. The term ‘flow slide’ refers to a specific, complex failure mechanism of underwater slopes, which occurs when a substantial amount of...
doctoral thesis 2021
document
Wewer, M. (author), Aguilar Lopez, J.P. (author), Kok, M. (author), Bogaard, T.A. (author)
Backward erosion piping is an internal erosion process, which compromises the stability of water retaining structures such as dams and levees. In this paper, we propose a numerical solution that combines a 2D Darcy groundwater solution with Exner's 1D sediment transport mass conservation equation. As an estimate of sediment transport, we...
journal article 2021
document
Bartolome Marques, L.A. (author), Teuwen, Julie J.E. (author)
Rain erosion on the leading edge of wind turbine blades is an intricate engineering challenge for the wind industry. Based on an energetic approach, this work proposes a methodology to characterise the erosion capacity of the raindrop impacts onto the leading edge blades. This methodology can be used with meteorological data from public...
journal article 2021
document
Hu, Weifei (author), Chen, Weiyi (author), Wang, Xiaobo (author), Jiang, Zhiyu (author), Wang, Yeqing (author), Verma, Amrit Shankar (author), Teuwen, Julie J.E. (author)
The rain-induced fatigue damage in the wind turbine blade coating has attracted increasing attention owing to significant repair and maintenance costs. The present paper develops an improved computational framework for analyzing the wind turbine blade coating fatigue induced by rain erosion. The paper first presents an extended stochastic...
journal article 2021
document
Kok, Emma (author)
In the Waal bed degradation occurs, which is mainly induced by a large number of river regulations measures done in the past. Rijkswaterstaat develops possible measures and new techniques to stop riverbed erosion and/or mitigate the negative effects. One of the possible new techniques to reduce riverbed erosion locally is groyne field...
master thesis 2020
document
Daouk, H. (author)
This report presents the methodology and findings of a study on the impacts of free long waves on dune erosion predictions in XBeach. In this paper a distinction is made between two types of infragravity waves: bound infragravity waves and free infragravity waves. Bound infragravity waves are generated by short-wave group forcings and are bound...
master thesis 2020
document
Schenke, S. (author)
Cavitation erosion is a problem in the design of a wide range of fluid machinery involving liquid flows. Ship propellers, rudders, hydro pumps and turbines or diesel injectors are some of the most prominent examples. Cavitation occurs at locations of high local flow velocity, where the pressure may drop so low that the liquid phase vaporizes....
doctoral thesis 2020
document
Tao, Yida (author)
Internal erosion is a frequent cause of dike failure, also known as piping or backward erosion. Uplift is considered a submechanism of internal erosion, together with heave and piping, where all three submechanisms must occur for the dike to reach a failure condition. The principle of the uplift phenomenon is straightforward: it occurs when high...
master thesis 2020
document
Hollanders, M.J. (author)
In this thesis project, a landscape architectural framework is made for a selected site in the Parkstad Limburg region. The design proposal for this region serves as a possible outcome of this framework, based on design principles and generic objectives. Parkstad Limburg used to be a wealthy region due to the thriving mining industry. The...
master thesis 2020
document
Barendsen, Lot (author)
In the Netherlands, dikes are the most commonly used structures to retain water and provide safety against flooding. In order to ensure the safety of these dikes against a number of different failure mechanisms such as backwards erosion piping, wave overtopping and macro stability, a detailed safety assessment has been created. The focus of this...
master thesis 2020
document
Caspers, Jochem (author)
In this master thesis the current Dutch method of combining failure probabilities at different spatial scales is researched. This method is used in the Dutch flood risk analysis of earthen dikes to assess the probability of flooding. Currently, probabilities of flooding for geotechnical failure mechanisms are obtained which are not considered to...
master thesis 2020
document
van der Ven, Mizzi (author), Scheurwater, Bart (author), Scheijmans, Jasper (author), Tukker, Jim (author), Hartman, Nicole (author)
The Tsleil-Wautuh Nation (TWN) reserve, Sleil-Waututh, located at the north shore of the Burrard Inlet in Vancouver (British Columbia, Canada) is strongly influenced by climate change. Sea level rise, coastal flooding and shoreline erosion are contributing to loss of land, damages to infrastructure, ecosystem changes and exposure of historic...
student report 2020
document
Janmaat, Rens (author)
In this study, the excavation process of a low pressure vertical impinging jet in cohesive soil has been investigated. Mass flow excavation is a hydraulic, low pressure, subsea excavation method whereby a large volume flow is applied to the seabed through which the seabed is eroded, and the soil is transported. <br/>The erosion process of a...
master thesis 2020
document
Andringa, Lise (author), Eijkelkamp, Timo (author), Grolleman, Thomas (author), Schouten, David (author), Szadkowski, Xavier (author), Ophof, Oscar (author)
The United States Army Corps of Engineers (USACE) is scheduled to present their solution for a storm surge barrier on Galveston Island in 2021 to congress for approval. A solution for an engineered dune system on the Galveston Island West End has been proposed, but storm surge models have shown that protection from this engineered dune only goes...
student report 2020
document
van Bijsterveldt, Celine E.J. (author), van Wesenbeeck, B.K. (author), van der Wal, Daphne (author), Afiati, Norma (author), Pribadi, Rudhi (author), Brown, Benjamin (author), Bouma, Tjeerd J. (author)
Globally, erosion of muddy tropical coasts that are dominated by aquaculture ponds, is an increasing problem. Restoration of mangrove greenbelts may counteract such erosion, by restoring the sediment balance. Hence, we aim to unravel the processes controlling natural mangrove regeneration in both “landward” (i.e., into aquaculture ponds) and...
journal article 2020
document
Rook, Lars (author)
The erosion resistance of clay is an important aspect when assessing the integrity of a levee. This is because the clay layer of a dike must resist the forces that are imposed in the case of overflow or overtopping. Currently, the erosion resistance of clay in the Netherlands is being assessed based on the sand content, the liquid limit and the...
master thesis 2020
Searched for: subject:"erosion"
(1 - 20 of 427)

Pages