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On the use of unsaturated properties of a sandy material for centrifuge model preparation
Institute for Geotechnical Engineering, ETH Zurich.
Institute for Geotechnical Engineering, ETH Zurich.ORCID-id: 0000-0003-1935-1743
Institute for Geotechnical Engineering, ETH Zurich.
Antal upphovsmän: 3
2013 (Engelska)Ingår i: Advances in Unsaturated Soils: Proceedings of the 1st Pan-American Conference on Unsaturated Soils, PanAmUNSAT 2013, 2013, Vol. 1, s. 159-164Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

This contribution shows how the unsaturated properties of a uniform sandy material are used to create stable vertical surfaces when building dyke models for testing in a geotechnical drum centrifuge. The model is constructed inside a 1.0 m (length) × 0.54 m (depth) × 0.36 m (width) box with a semi-circular base, which must then be tilted through 90° to place the model into the channel of the centrifuge drum. A construction procedure has been developed to create unsaturated conditions in the sand so that the suctions are large enough to ensure that the 0.5 m high vertical walls remain stable for a short period of time until the centrifuge test can begin. This has been backed up by 3D numerical finite element calculations of the performance of the model in an unsaturated state. © 2013 Taylor & Francis Group, London.

Ort, förlag, år, upplaga, sidor
2013. Vol. 1, s. 159-164
Nationell ämneskategori
Geoteknik
Forskningsämne
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URN: urn:nbn:se:ltu:diva-32158ISI: 000324441300015Lokalt ID: 68e0d60b-c94a-49ab-89c7-a6f6ded1905aISBN: 9780415620956 (tryckt)OAI: oai:DiVA.org:ltu-32158DiVA, id: diva2:1005392
Konferens
Pan-American Conference on Unsaturated Soils : 20/02/2013 - 22/02/2013
Tillgänglig från: 2016-09-30 Skapad: 2016-09-30 Senast uppdaterad: 2017-11-25Bibliografiskt granskad

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