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Laboratory low-transmissivity tests on natural rock fracture under varying normal load
RISE Research Institutes of Sweden, Material och produktion, Kemi och Tillämpad mekanik.ORCID-id: 0000-0002-9586-8667
RISE Research Institutes of Sweden, Material och produktion, Kemi och Tillämpad mekanik.ORCID-id: 0000-0003-4526-4061
2022 (engelsk)Inngår i: Programme of Geological Society of Sweden 150 year Anniversary meeting., 2022Konferansepaper, Poster (with or without abstract) (Annet vitenskapelig)
Abstract [en]

There is limited available data on natural rock fractures with low hydraulic transmissivity. In this study, we measured the transmissivity of a granite specimen with a 200×200 mm naturally-induced closed fracture under varying normal load. We repeated the measurements after opening the fracture to investigate how this affects its transmissivity. At each stage, we ensured laminar flows by setting Reynolds numbers << 1. Finally, we resorted to the parallel-plate theory to obtain the equivalent hydraulic aperture, that we compared to the mechanical aperture derived from the observed deformation.

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2022.
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URN: urn:nbn:se:ri:diva-60138OAI: oai:DiVA.org:ri-60138DiVA, id: diva2:1697900
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Geological Society of Sweden 150 year Anniversary meeting. Uppsala, Sweden. August 17–19, 2022.
Tilgjengelig fra: 2022-09-22 Laget: 2022-09-22 Sist oppdatert: 2024-02-21bibliografisk kontrollert

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https://geologiskaforeningen.se/wp-content/uploads/2022/08/GF_SP1_2022_abstract-volume_w-errata.pdf

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Godio, MicheleJacobsson, Lars

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