{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360004235518599680.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1111/gfl.12091"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fgfl.12091"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1111/gfl.12091"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Permeability changes in simulated granite faults during and after frictional sliding"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>Thermal–hydrological–mechanical coupling processes suggest that fault permeability should undergo dynamic change as a result of seismic slip. In igneous rocks, a fault's slip surface may have much higher permeability than the surrounding rock matrix and therefore operate as a conduit for fluids. We conducted laboratory experiments to investigate changes in fracture permeability (or transmissivity) of a fault in granite due to shear slip and cyclic heating and cooling. Our experiments showed that high initial fracture transmissivity (>10<jats:sup>−18</jats:sup> m<jats:sup>3</jats:sup>) was associated with a high friction coefficient and that transmissivity decreased during slip. We propose that this reduction in transmissivity reflects the presence of gouge in fracture voids, increasing the area of contact in the fault plane and reducing the hydraulic aperture. In contrast, when initial fracture transmissivity was low (<10<jats:sup>−18</jats:sup> m<jats:sup>3</jats:sup>), we observed that friction was lower and transmissivity increased during slip. The high transmissivity and high friction may be explained by large areas of bare rock being in contact on the slip surface. Slip velocity had little influence on the evolution of permeability, probably because gouge produced at different slip velocities had similar grain size distributions, or because gouge leaked from the slip surface. Transmissivity decreased with increasing temperature in heating tests, probably due to thermal expansion increasing normal stress on the fracture. Frictional heating did not influence transmissivity during the shearing tests.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380004235518600065","@type":"Researcher","foaf:name":[{"@value":"W. Tanikawa"}],"jpcoar:affiliationName":[{"@value":"Kochi Institute for Core Sample Research Japan Agency for Marine‐Earth Science and Technology Nankoku Kochi Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004235518599947","@type":"Researcher","foaf:name":[{"@value":"O. Tadai"}],"jpcoar:affiliationName":[{"@value":"Marine Works Japan Ltd. Nankoku Kochi Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004235518599821","@type":"Researcher","foaf:name":[{"@value":"H. Mukoyoshi"}],"jpcoar:affiliationName":[{"@value":"Marine Works Japan Ltd. Nankoku Kochi Japan"},{"@value":"Faculty of Education and Integrated Arts and Sciences Waseda University Shinjuku Tokyo Japan"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"14688115"},{"@type":"EISSN","@value":"14688123"}],"prism:publicationName":[{"@value":"Geofluids"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"2014-08-02","prism:volume":"14","prism:number":"4","prism:startingPage":"481","prism:endingPage":"494"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fgfl.12091"},{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1111/gfl.12091"}],"createdAt":"2014-05-30","modifiedAt":"2023-10-03","project":[{"@id":"https://cir.nii.ac.jp/crid/1040000782271969024","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"25800284"},{"@type":"JGN","@value":"JP25800284"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25800284/"}],"notation":[{"@language":"ja","@value":"生物化学的続成作用に伴う水理特性の変化と褐炭層の流体物質循環プロセスの理解"},{"@language":"en","@value":"Evolution of physical property of deep-water sediments induced by bio-chemical diagenesis at the Shimokita-Hachinohe coal-bed basin"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050282810596588544","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Numerical simulations for the effects of normal loading on particle transport in rock fractures during shear"}]},{"@id":"https://cir.nii.ac.jp/crid/1050306506457964032","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Megaquake cycle at the Tohoku subduction zone with thermal fluid pressurization near the surface"}]},{"@id":"https://cir.nii.ac.jp/crid/1360002216798563072","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Fault lubrication during 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