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Article: Assessment of an equivalent porous medium for coupled stress and fluid flow in fractured rock

TitleAssessment of an equivalent porous medium for coupled stress and fluid flow in fractured rock
Authors
KeywordsCoupled stress and fluid flow
Equivalent porous medium
Numerical method
Issue Date1999
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/ijrmms
Citation
International Journal Of Rock Mechanics And Mining Sciences, 1999, v. 36 n. 7, p. 871-881 How to Cite?
AbstractThe equivalent porous medium (EPM) for coupled stress and fluid flow in fractured rock was assessed. The assessment was focused on the contributions of the seepage-induced force to the system's equilibrium and deformation as well as fluid flux through the fractures, with the special emphasis on the inter-relations among these three aspects. Seepage-induced average stress was calculated for the EPM. And it was proved, with respect to the fluid flow system (FFS) proposed by Long et al. [Long JCS, Remer JC, Wilson CR. Witherspoon PA. Porous medium equivalents for networks of discontinuous fractures. Water Resour Res 1982;18:645-658], that the equivalence of the equilibrium contribution of the seepage-induced force is unconditionally satisfied in the EPM. The equivalence of fluid flux and seepage-induced deformation was evaluated using numerical techniques based on the FFS, in which the seepage-induced deformation was considered as 'tensile' deformation under fluid pressures. The numerical simulation results of the two cases suggest that the EPM established in terms of fluid flux based on the FFS guarantees equivalence of coupled stress and fluid flow. Also, the numerical simulation results indicate that the percolation theory can not be applied to a system with fractures of remarkably different size and hydraulic conductivity.
Persistent Identifierhttp://hdl.handle.net/10722/71230
ISSN
1999 Impact Factor: 1.0
2001 SCImago Journal Rankings: 0.121
References

 

DC FieldValueLanguage
dc.contributor.authorXiao, YXen_HK
dc.contributor.authorLee, CFen_HK
dc.contributor.authorWang, SJen_HK
dc.date.accessioned2010-09-06T06:30:06Z-
dc.date.available2010-09-06T06:30:06Z-
dc.date.issued1999en_HK
dc.identifier.citationInternational Journal Of Rock Mechanics And Mining Sciences, 1999, v. 36 n. 7, p. 871-881en_HK
dc.identifier.issn0148-9062en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71230-
dc.description.abstractThe equivalent porous medium (EPM) for coupled stress and fluid flow in fractured rock was assessed. The assessment was focused on the contributions of the seepage-induced force to the system's equilibrium and deformation as well as fluid flux through the fractures, with the special emphasis on the inter-relations among these three aspects. Seepage-induced average stress was calculated for the EPM. And it was proved, with respect to the fluid flow system (FFS) proposed by Long et al. [Long JCS, Remer JC, Wilson CR. Witherspoon PA. Porous medium equivalents for networks of discontinuous fractures. Water Resour Res 1982;18:645-658], that the equivalence of the equilibrium contribution of the seepage-induced force is unconditionally satisfied in the EPM. The equivalence of fluid flux and seepage-induced deformation was evaluated using numerical techniques based on the FFS, in which the seepage-induced deformation was considered as 'tensile' deformation under fluid pressures. The numerical simulation results of the two cases suggest that the EPM established in terms of fluid flux based on the FFS guarantees equivalence of coupled stress and fluid flow. Also, the numerical simulation results indicate that the percolation theory can not be applied to a system with fractures of remarkably different size and hydraulic conductivity.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/ijrmmsen_HK
dc.relation.ispartofInternational Journal of Rock Mechanics and Mining Sciencesen_HK
dc.subjectCoupled stress and fluid flowen_HK
dc.subjectEquivalent porous mediumen_HK
dc.subjectNumerical methoden_HK
dc.titleAssessment of an equivalent porous medium for coupled stress and fluid flow in fractured rocken_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1365-1609&volume=36&spage=871 &epage= 881&date=1999&atitle=Assessment+of+an+Equivalent+Porous+Medium+for+Coupled+Stress+and+Fluid+Flow+in+Fractured+Rocken_HK
dc.identifier.emailLee, CF: leecf@hkucc.hku.hken_HK
dc.identifier.authorityLee, CF=rp00139en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0148-9062(99)00060-1-
dc.identifier.scopuseid_2-s2.0-0343986329en_HK
dc.identifier.hkuros49508en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0343986329&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume36en_HK
dc.identifier.issue7en_HK
dc.identifier.spage871en_HK
dc.identifier.epage881en_HK
dc.identifier.scopusauthoridXiao, YX=15833730200en_HK
dc.identifier.scopusauthoridLee, CF=8068602600en_HK
dc.identifier.scopusauthoridWang, SJ=7410335510en_HK

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