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A versatile facility for laboratory studies of viscoelastic and poroelastic behaviour of rocks

Jackson, Ian; Schijns, Heather; Schmitt, Douglas R.; Mu, Junjie; Delmenico, Alison

Description

Novel laboratory equipment has been modified to allow both torsional and flexural oscillation measurements at sub-microstrain amplitudes, thereby providing seismic-frequency constraints on both the shear and compressional wave properties of cylindrical rock specimens within the linear regime. The new flexural mode capability has been tested on experimental assemblies containing fused silica control specimens. Close consistency between the experimental data and the results of numerical modelling...[Show more]

dc.contributor.authorJackson, Ian
dc.contributor.authorSchijns, Heather
dc.contributor.authorSchmitt, Douglas R.
dc.contributor.authorMu, Junjie
dc.contributor.authorDelmenico, Alison
dc.date.accessioned2015-09-17T06:46:32Z
dc.date.available2015-09-17T06:46:32Z
dc.identifier.issn0034-6748
dc.identifier.urihttp://hdl.handle.net/1885/15535
dc.description.abstractNovel laboratory equipment has been modified to allow both torsional and flexural oscillation measurements at sub-microstrain amplitudes, thereby providing seismic-frequency constraints on both the shear and compressional wave properties of cylindrical rock specimens within the linear regime. The new flexural mode capability has been tested on experimental assemblies containing fused silica control specimens. Close consistency between the experimental data and the results of numerical modelling with both finite-difference and finite-element methods demonstrates the viability of the new technique. The capability to perform such measurements under conditions of independently controlled confining and pore-fluid pressure, with emerging strategies for distinguishing between local (squirt) and global (specimen-wide) fluid flow, will have particular application to the study of frequency-dependent seismic properties expected of cracked and fluid-saturated rocks of the Earth's upper crust.
dc.description.sponsorshipAustralian Research Council for funding (Grant DP0880453).
dc.format9 pages
dc.publisherAmerican Institute of Physics (AIP)
dc.rightshttp://www.sherpa.ac.uk/romeo/issn/0034-6748..."Publishers version/PDF may be used on author's personal website, institutional website or institutional repository" from SHERPA/RoMEO site (as at 17/09/15)
dc.rightsCopyright 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Review of Scientific Instruments and may be found at https://dx.doi.org/10.1063/1.3592154.
dc.sourceReview of Scientific Instruments
dc.subjectKeywords: Compressional waves; Experimental data; Finite difference; Flexural modes; Frequency-dependent; Laboratory equipments; Laboratory studies; Linear regime; Numerical modelling; Oscillation measurements; Pore fluid pressure; Poroelastic behaviour; Rock speci
dc.titleA versatile facility for laboratory studies of viscoelastic and poroelastic behaviour of rocks
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume82
dc.date.issued2011-06-06
local.identifier.absfor040407
local.identifier.ariespublicationf2965xPUB2244
local.publisher.urlhttps://www.aip.org/
local.type.statusPublished Version
local.contributor.affiliationJackson, Ian, College of Physical and Mathematical Sciences, CPMS Research School of Earth Sciences, RSES General, The Australian National University
local.contributor.affiliationSchijns, Heather, University of Alberta, Canada
local.contributor.affiliationSchmitt, Douglas , University of Alberta, Canada
local.contributor.affiliationMu, Junjie, College of Engineering and Computer Science, College of Engineering and Computer Science, Research School of Engineering, The Australian National University
local.contributor.affiliationDelmenico, Alison, College of Engineering and Computer Science, College of Engineering and Computer Science, Research School of Engineering, The Australian National University
dc.relationhttp://purl.org/au-research/grants/arc/DP0880453
local.identifier.essn1089-7623
local.bibliographicCitation.issue6
local.bibliographicCitation.startpage064501
local.bibliographicCitation.lastpage9
local.identifier.doi10.1063/1.3592154
local.identifier.absseo970104
dc.date.updated2016-02-24T08:23:51Z
local.identifier.scopusID2-s2.0-79960179573
local.identifier.thomsonID000292334000046
CollectionsANU Research Publications

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