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Searched for: publisher%3A%22braunschweig%22

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Hydraulic performance, wave loading and response of Elastocoast revetments and their foundation - a large scale model study -

Oumeraci, H. (author), Staal, T. (author), Pfoertner, S. (author), Ludwigs, G. (author), Kudella, M. (author)

ELASTOCOAST revetments are highly porous structures made of crushed stones which are durably and elastically bonded by Polyurethane (PU). To improve the understanding of the physical processes involved in the wave-structure-foundation interaction and to develop prediction formulae for both hydraulic performance and wave loading more than 75...

report 2010
document

Bemessung und Kostenuntersuchung für das elastomere Deckwerk ELASTOCOAST und konventionelle Deckwerke für den Küstenschutz

Grimm, C. (author)

Cost comparision of an Elastocoast revetment in comparison with a classical revetment in coastal protection.

report 2009
document

Preliminary reliability analysis of flood defences in the pilot site ‚German Bight Coast’

Kortenhaus, A. (author)

This report describes the flood defence structures of the pilot site ‘German Bight Coast’ and the overall probability of failure of all flood defences in the area. First, the flood prone area is briefly described as follows: ? the flood prone area ? the failures observed in the past ? an overview of all defence structures ? the flood defence...

report 2009
document

Laboratory Experiments on the Erosion of Clay

Husrin, S. (author)

Results showed that the existing model on erosion of clay with water-filled cracks (Führböter’s theory) which only considers cohesion as the soil strength is only applicable for certain conditions. The model should consider other resistant forces such as soil weight and pore pressures. From the tests on clay without water-filled cracks, it...

report 2009
document

Sea dikes breaching initiated by breaking wave impacts - Preliminary computational model

Stanczak, G. (author)

Sea dikes are of crucial importance in the defence systems of low-lying coastal areas in Germany as well as in other countries such as The Netherlands and Denmark. Breaches of sea dikes due to storm surges are regarded as the main cause of flood disasters, so that a reliable prediction of both breach initiation, breach formation and breach...

report 2009
document

Hydraulic model tests on breaching with and without waves

Geisenhainer, P. (author)

This report describes small-scaled experiments performed at Leichtweiß-Institute for Hydraulic Engineering and Water Resources, Technical University Braunschweig (LWI). The experiments have been conducted to investigate the development of dike breaches in homogeneous sand dikes with and without a clay layer. The used scaling factor was 1:10.The...

report 2009
document

Sea dike breach initiation and development

Geisenhainer, P. (author)

Description of the performance of the large-scale experiments in the GWK in Hannover in 2008

report 2009
document

Description of flood defence structures for pilot sites

Kortenhaus, A. (author)

This report describes individual flood defence structures of all pilot sites in FLOODsite. For each of the 10 pilot sites the following details are described: Ø the flood prone area Ø the failures observed in the past Ø an overview of all defence structures Ø the flood defence structures in detail together with their potential failure modesThe...

report 2009
document
Stanczak, G. (author)

Sea dikes are of crucial importance in the defence systems of low-lying coastal areas in countries such as Germany, The Netherlands or Denmark, etc. Breaches of sea dikes induced by storm surges are regarded as the main cause of coastal flood disasters. Therefore a reliable prediction of both initial conditions for the breach occurrence and the...

report 2009
document

Sea dikes breaching initiated by breaking wave impact - Detail computational model

Stanczak, G. (author)

Sea dikes are of crucial importance in the defence systems of low-lying coastal areas in Germany as well as in other countries such as The Netherlands and Denmark. Breaches of sea dikes due to storm surges are regarded as the main cause of flood disasters, so that a reliable prediction of both breach initiation, breach formation and breach...

report 2009
document

An assessment of methodologies to evaluate flood losses and impacts

Beckmann, M. (author)

The objective of this Masters thesis report is to review and analyse the current published and unpublished knowledge on the methods to valuate the intangible losses associated with both environmental and social/health impacts of coastal and estuarial floods, including the techniques for Cost- Benefit-Analysis, Multi-Criteria-Analysis, and Life...

report 2008
document

Laboratory Tests on the Erosion of Clay Revetment of Sea Dike With and Without a Grass Cover Induced by Breaking Wave Impact

Stanczak, G. (author)

This report addresses the preparation and performance of laboratory tests on a the erodibility of clay cover with and without grass, subjected to impact pressures generated by controlled falling water mass Three types of clay, representing different erosion resistances as well as grass cover of moderate quality have been used in order to gain...

report 2007
document

Hydraulic loading of flood defence structures

Kortenhaus, A. (author)

This report reviews previous investigations on hydraulic loading conditions for different types of flood defence structures such as sea dikes, dunes, beaches and seawalls. For each of these structures the physical processes involved are discussed in some detail and methods are given to either predict relevant input parameters for failure modes...

report 2007
document

Breaching of coastal dikes: State of the art

Oumeraci, H. (author)

Coastal dikes are used as defence structures against flooding in lowland areas and where high tidal ranges occur. The development of a breach induced by wave overtopping has been one of the most frequent causes of dike failure and it is closely related both to the dynamics of a protected coast and to the flood risk assessment and management. At...

report 2006
document

Quantification of measurement errors, model and scale effects related to overtopping

Kortenhaus, A. (author), Van der Meer, J. (author), Burcharth, H.F. (author), Geeraerts, J. (author), Pullen, T. (author), Ingram, D. (author), Troch, P. (author)

CLASH is concentrating on investigations of wave overtopping for different structures in prototype and in laboratory. The model investigations have focussed on wave overtopping and the comparison of overtopping results from small-scale model tests and prototype measurements. Possible differences in the results from small-scale tests and...

report 2005
document
Kortenhaus, A. (author), Medina, J. (author), González-Escrivá, J. (author), Garrido, J. (author)

Within WP4 laboratory investigations for the Zeebrugge rubble mound breakwater have started in the wave flume of Leichtweiß-Institute for Hydraulic Engineering of the Technical University of Braunschweig (hereafter LWI) and in the wave flume of the Universidad Politécnica de Valencia (hereafter UPVLC). In order to check any influence that is...

report 2004
document

Grossmassstäbliche Untersuchungen zur hydraulischen Stabilität geotextiler Sandcontainer unter Wellenbelastung

Oumeraci, H. (author), Bleck, M. (author), Hinz, M. (author), Kübler, S. (author)

Im Rahmen des in diesem Bericht beschriebenen Projektes konnte der Wissensstand im Hinbliek auf die Bemessung geotextiler Sandcontainer auf Wellenbelastung wesentlich verbessert werden. Daraus konnten praktische Formeln und Empfehlungen für die Bemessung von Dünenbarrieren, die sich an der Geometrie von Glowe bzw. Rerik orientieren, abgeleitet...

report 2001
document

Wellenüberlaufströmung bei Seedeichen - Experimentelle und theoretische Untersuchungen

Schüttrumpf, H.F.R. (author)

Wave overtopping is one of the most important processes for the design of seadikes which was responsible for many severe dike failures in the past. Wave overtopping can not be avoided due to the random nature of the waves and the uncertainties associated with the determination of the design water level. The present design on wave overtopping is...

report 2001
document

Einspannungsverhältnisse bei Bohlwerken und deren vereinfachte Berechnung mit Hilfe 'ideeller' und 'stellvertredender' Belastung

Blum, H. (author)

Der Zweck dieser Arbeit ist, die in der Praxis am häufigsten vorkommenden Belastungsformen von Bohlwerken zu untersuchen: Wie ist der Belastungsverteilung, wie sind die Einspannungsverhältnisse und wie können sie leicht und doch genügend genau rechnerisch erfasst werden? Alle Systeme lassen sich auf das erste, Belastung mit Einzelkraft,...

report 1930

Searched for: publisher%3A%22braunschweig%22

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