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dc.contributor.authorNara, Yoshitakaen
dc.contributor.authorKashiwaya, Kokien
dc.contributor.authorNakao, Akimasaen
dc.contributor.authorUchida, Hirotoen
dc.contributor.authorHamada, Yusakuen
dc.contributor.authorShibuya, Kazutoshien
dc.contributor.alternative奈良, 禎太ja
dc.contributor.alternative柏谷, 公希ja
dc.contributor.alternative中尾, 尭雅ja
dc.contributor.alternative内田, 紘人ja
dc.date.accessioned2019-09-05T04:15:00Z-
dc.date.available2019-09-05T04:15:00Z-
dc.date.issued2019-09-
dc.identifier.issn0891-2556-
dc.identifier.issn1878-5212-
dc.identifier.urihttp://hdl.handle.net/2433/243872-
dc.description.abstractIn this study, the precipitation of minerals onto rock surfaces was investigated to consider whether sealing of pores and cracks in rock can be accelerated. Cylindrical specimens were prepared and then kept in purified water with powders of high-strength and ultra-low-permeability concrete (HSULPC), which will be used to confine transuranic wastes in Japan. Then, the rock specimens were weighed and the surfaces of rock specimens were inspected under a microscope. It was recognized that precipitation occurred on the surface of the rock specimens. It was also shown that precipitation did not occur on rock specimens kept in water without HSULPC. The weight of all specimens stored in HSULPC increased, and the observed weight change was larger for rocks with higher porosities. It is concluded that precipitation of minerals occurs on the rock surface when the rock is kept in water with HSULPC powders. From the results obtained in this study, it is suggested that the sealing of pores and cracks in rock can be accelerated by the precipitation of calcium compounds using HSULPC. It is concluded that HSULPC is useful for underground radioactive waste disposal.en
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherSpringeren
dc.rightsThis is a post-peer-review, pre-copyedit version of an article published in 'Carbonates and Evaporites'. The final authenticated version is available online at: https://doi.org/10.1007/s13146-018-0471-9en
dc.rightsThe full-text file will be made open to the public on 22 September 2019 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.en
dc.rightsThis is not the published version. Please cite only the published version.en
dc.rightsこの論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。ja
dc.subjectPrecipitationen
dc.subjectRocken
dc.subjectCalcium compounden
dc.subjectScanning electron microscopeen
dc.subjectEnergy dispersion X-ray spectroscopyen
dc.titlePrecipitation of calcium compounds onto rock surfaces in water with cementitious materialen
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.jtitleCarbonates and Evaporitesen
dc.identifier.volume34-
dc.identifier.issue3-
dc.identifier.spage1003-
dc.identifier.epage1020-
dc.relation.doi10.1007/s13146-018-0471-9-
dc.textversionauthor-
dc.addressDepartment of Civil and Earth Resources Engineering, Graduate School of EngineeringKyoto Universityen
dc.addressDepartment of Civil and Earth Resources Engineering, Graduate School of EngineeringKyoto Universityen
dc.addressDepartment of Civil and Earth Resources Engineering, Graduate School of EngineeringKyoto Universityen
dc.addressFaculty of EngineeringKyoto Universityen
dc.addressDepartment of Management of Social Systems and Civil Engineering, Graduate School of EngineeringTottori Universityen
dc.addressTaiheiyo Consultant Co. Ltd.en
dcterms.accessRightsopen access-
datacite.date.available2019-09-22-
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