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dc.contributor.author
Müller-Hagmann, Michelle
dc.contributor.author
Auel, Christian
dc.contributor.author
Albayrak, Ismail
dc.contributor.author
Boes, Robert M.
dc.contributor.editor
Paquier, André
dc.contributor.editor
Rivière, Nicolas
dc.date.accessioned
2018-10-29T17:04:55Z
dc.date.available
2018-10-13T08:12:15Z
dc.date.available
2018-10-22T11:24:45Z
dc.date.available
2018-10-29T17:04:55Z
dc.date.issued
2018
dc.identifier.issn
2267-1242
dc.identifier.other
10.1051/e3sconf/20184005053
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/295654
dc.identifier.doi
10.3929/ethz-b-000295654
dc.description.abstract
Sediment transport in glacier basins and rivers, and hence reservoir sedimentation tend to increase under the impact of climate change. The raise of bedload transport rates results in an increase of hydro-abrasive erosion leading to bedrock incision in rivers and wear at hydraulic structures. Mechanistic abrasion models are a helpful tool for both river and landscape evolution and hydroabrasion of hydraulic structures. Therefore, knowledge of the physical processes of turbulent flow characteristics, bedload particle motion, and hydroabrasion and their interrelations is needed. Ongoing research at VAW of ETH Zurich aims at improving the required knowledge to address hydroabrasion issues by means of laboratory and prototype experiments in supercritical flows over fixed smooth and transitionally rough beds. A physical model investigation revealed that particle trajectories on fixed planar beds are rather symmetric, flat and long compared to alluvial beds. By applying newly developed particle motion equations, an existing mechanistic abrasion model was adapted and calibrated for concrete and natural rock by means of prototype data. This advances abrasion prediction modelling and contributes to a better understanding of river bed and landscape evolution and to a sustainable design and operation of hydraulic structures facing severe hydro-abrasive erosion.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
EDP Sciences
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.title
Bedload transport and hydro-abrasive erosion at steep bedrock rivers and hydraulic structures
en_US
dc.type
Conference Paper
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2018-09-05
ethz.book.title
River Flow 2018 - Ninth International Conference on Fluvial Hydraulics
en_US
ethz.journal.title
E3S Web of Conferences
ethz.journal.volume
40
en_US
ethz.pages.start
05053
en_US
ethz.size
8 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.event
9th International Conference on Fluvial Hydraulics (River Flow 2018)
en_US
ethz.event.location
Lyon-Villeurbanne, France
en_US
ethz.event.date
September 5-8, 2018
en_US
ethz.identifier.scopus
ethz.publication.place
Red Hook, NY
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02611 - V. Wasserbau, Hydrologie u. Glaziologie / Lab. Hydraulics,Hydrology,Glaciology::03820 - Boes, Robert / Boes, Robert
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02611 - V. Wasserbau, Hydrologie u. Glaziologie / Lab. Hydraulics,Hydrology,Glaciology::03820 - Boes, Robert / Boes, Robert
ethz.date.deposited
2018-10-13T08:22:57Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2018-10-29T17:05:02Z
ethz.rosetta.lastUpdated
2019-02-03T08:33:23Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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