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Turbulent seepage in a 6-m rock-fill dam – field measurements, analytical & numerical Solutions
Vattenfall R&D.
Norconsult, Norway.
2006 (English)Conference paper (Refereed)
Abstract [en]

Field experiments of seepage, stability and dam break have been made in several embankment dams of various materials in North Norway. One of the dams is a homogenous rock-fill dam, 35 m long, 6.2 m high and 2.9 m wide on crest. Turbulent seepage occurs in the dam body. Assuming isotropic porous media, an analytical solution in two dimensions is developed of flow discharge and phreatic surface in turbulent seepage. Using the CFD code FLUENT, numerical simulations are made to find the best-fitted turbulent permeability. The analytical and numerical results are compared with data from the field measurements. To be able to correctly predict the turbulent seepage is important, an issue that affects calculations of slope stability, particle erosion and downstream reinforcement measures.

Place, publisher, year, edition, pages
2006.
Keyword [en]
Embankment dams, seepage, turbulent seepage, field measurements, analytical solution, numerical modlling
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-179792OAI: oai:DiVA.org:kth-179792DiVA: diva2:889457
Conference
22nd ICOLD Congress, June 2006, Barcelona, Spain
Note

QC 20160107

Available from: 2015-12-25 Created: 2015-12-25 Last updated: 2016-01-07Bibliographically approved

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Yang, James
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ReferencesLink to record
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