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Physical modelling of rainfall induced landslides undercontrolled climatic conditions
Institute for Geotechnical Engineering, ETH Zürich.
Institute for Geotechnical Engineering, ETH Zurich.ORCID-id: 0000-0003-1935-1743
Institute for Geotechnical Engineering, Eidgenossische Technische Hochschule Zurich.
Institute for Geotechnical Engineering, ETH Zurich.
Vise andre og tillknytning
2012 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

A series of small scale physical modelling tests are performed in a geotechnical drumcentrifuge in order to investigate the triggering mechanisms of landslides due to rainfall. They areconducted under controlled conditions of rainfall intensity and duration, ambient relative humidity, wind,and temperature. These tests have been designed to study the possible failure mechanisms proposed for afull scale landslide experiment. Accordingly, different shapes and hydraulic properties of the bedrock, interms of drainage and exfiltration, are provided for the model. A three dimensional close rangephotogrammetric technique is used to track the movements and monitor the volumetric changes of theground during the cycles of wetting and drying. The slope elevation is filmed during and following therainfall events using a high speed camera and the deformation vectors and strains are elaborated using thePIV method. Details of the design of the climate chamber are discussed in this paper.

sted, utgiver, år, opplag, sider
2012.
HSV kategori
Forskningsprogram
Geoteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-67929OAI: oai:DiVA.org:ltu-67929DiVA, id: diva2:1190375
Konferanse
Eurofuge 2012, Delft, Netherlands, 2012-04-23-2012-04-24
Tilgjengelig fra: 2018-03-14 Laget: 2018-03-14 Sist oppdatert: 2018-03-14bibliografisk kontrollert

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