Discussion on the critical hydraulic gradient for uniform homogeneous glass beads

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F15%3APU115701" target="_blank" >RIV/00216305:26110/15:PU115701 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Discussion on the critical hydraulic gradient for uniform homogeneous glass beads
Original language description
Dams, levees and flood-walls built on permeable sandy soil can be susceptible to failure due to seepage under the structure. In uniform soils the initiation phase of progressive internal erosion usually starts with fluidization. The magnitude of volume forces is governed by the local hydraulic gradient at the exit of the seepage downstream of the structure. Extensive experimental research on uniform glass beads was carried out at the Laboratory of Hydraulic Research at Brno University of Technology (BUT) to estimate the critical hydraulic gradient, J C. In this paper, experimentally obtained J C values are compared with values obtained from formulae proposed by other authors. Other factors affecting J C, such as grain size and compaction rate, are discussed
Czech name
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Czech description
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Project
<a href="/en/project/TA04020670" target="_blank" >TA04020670: The utilization of probabilistic methods for safety survailance of dams with respect to its safety during global climate change.</a><br>
Continuities
S - Specificky vyzkum na vysokych skolach

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Eksploatacja budowli pietrzacych - diagnostyka i zapobieganie zagroženiom
ISBN
978-83-64979-09-5
ISSN
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e-ISSN
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Number of pages
8
Pages from-to
165-172
Publisher name
Instytut Meteorologii i Gospodarki Wodnej, Panstwowy Instytut Badawczy, Waszawa
Place of publication
Warszawa, PL
Event location
Beskid Sadecki
Event date
Sep 29, 2015
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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