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Impact of Scale on Rock Strength
LuleƄ University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering. Geodevelopment International AB/Drawrite AB, Lund, Sweden.ORCID iD: 0000-0002-6851-4839
Production and Mechanical Engineering, University of Lund, Sweden.
2012 (English)In: International Scholarly and Scientific Research & Innovation, Vol. 6, no 8, p. 1577-1582Article in journal (Refereed) Published
Abstract [en]

The scale dependence of the strength of virtually homogeneous rock is usually considered to be insignificant but the spectrum of discontinuities plays a very important role for the strength of differently sized rock elements and also controls the rock creep strain. Large-scale load tests comprised recording of the creep strain rate that was found to be strongly retarded and negligible for stresses lower than about 1/3 of the failure load. For higher stresses creep took place according to a log time law representing secondary creep that ultimately changed to tertiary creep and failure.

Place, publisher, year, edition, pages
World Academy of Science, Engineering and Technology International Journal of Geotechnical and Geological Engineering , 2012. Vol. 6, no 8, p. 1577-1582
National Category
Geotechnical Engineering and Engineering Geology
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-81353DOI: 10.5281/zenodo.1055210OAI: oai:DiVA.org:ltu-81353DiVA, id: diva2:1499526
Available from: 2020-11-09 Created: 2020-11-09 Last updated: 2025-02-07Bibliographically approved

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Pusch, Roland

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