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Laboratory testing of internal stability of glacial tills: a review
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.ORCID iD: 0000-0001-8739-2219
2014 (English)In: The Electronic journal of geotechnical engineering, ISSN 1089-3032, E-ISSN 1089-3032, Vol. 19, no V, p. 6315-6336Article in journal (Refereed) Published
Abstract [en]

Suffusion is an initiation mechanism of internal erosion. A soil susceptible to suffusion is internally unstable. In such a soil there is an imbalance between the finer fraction and the coarser, allowing for non-structural fine-grained particles in between fixed structural coarser grains. Thus, the fines may migrate which initiate internal erosion. This paper discusses internal stability of soils in general, and glacial till bases in particular, and reviews available laboratory testing in the literature on this type of soil. The laboratory set-up, characteristics of soils tested, soil preparation and boundary conditions are among the aspects discussed. The paper concludes with recommendations for further research in terms of glacial tills and internal stability testing.

Place, publisher, year, edition, pages
Mete Öner , 2014. Vol. 19, no V, p. 6315-6336
Keywords [en]
Dams, internal stability, suffusion, internal erosion, glacial till, seepage test, Civil engineering and architecture - Geoengineering and mining engineering
Keywords [sv]
Samhällsbyggnadsteknik och arkitektur - Geoteknik och gruvteknik
National Category
Geotechnical Engineering
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-6534Local ID: 4c25f18c-0e88-4ba7-8de0-9f9f69fca981OAI: oai:DiVA.org:ltu-6534DiVA, id: diva2:979420
Note

Validerad; 2014; 20140714 (hayrof)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-11-23Bibliographically approved

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No full text in DiVA

Other links

http://www.ejge.com/2014/Ppr2014.567ma.pdf

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Rönnqvist, HansViklander, Peter

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