Gas permeability evolution of clayey rocks in process of compressive creep test
Low-permeability argillite is a potential material as the geological barrier in the context of radioactive waste disposal. This paper presents the influence of compressive creep deformation on gas permeability of the porous argillite by triaxial compressive creep test. The minerals and microscopic p...
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| Veröffentlicht in: | Materials letters 2015-01, Vol.139, p.422-425 |
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| creator | Liu, Zaobao Shao, Jianfu Xie, Shouyi Secq, Jean |
| description | Low-permeability argillite is a potential material as the geological barrier in the context of radioactive waste disposal. This paper presents the influence of compressive creep deformation on gas permeability of the porous argillite by triaxial compressive creep test. The minerals and microscopic pore distribution of the argillite are analyzed from the SEM results. The triaxial compressive creep test is carried out to discover the evolutionary gas permeability of the material in the process of creep deformation and the corresponding evolution law of gas permeability is discussed closely related to both micro- and macro-characteristics of the material during creep deformation. The results suggest that gas permeability undergoes an evident decrease in initial deviatoric loading, tends to be constant in steady creep deformation, and demonstrates a slight increase in further creep when creep deformation creates cracks. The gas permeability does not exhibit a significant increase if material pores are not connected. |
| doi_str_mv | 10.1016/j.matlet.2014.10.139 |
| format | Article |
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This paper presents the influence of compressive creep deformation on gas permeability of the porous argillite by triaxial compressive creep test. The minerals and microscopic pore distribution of the argillite are analyzed from the SEM results. The triaxial compressive creep test is carried out to discover the evolutionary gas permeability of the material in the process of creep deformation and the corresponding evolution law of gas permeability is discussed closely related to both micro- and macro-characteristics of the material during creep deformation. The results suggest that gas permeability undergoes an evident decrease in initial deviatoric loading, tends to be constant in steady creep deformation, and demonstrates a slight increase in further creep when creep deformation creates cracks. The gas permeability does not exhibit a significant increase if material pores are not connected.</description><identifier>ISSN: 0167-577X</identifier><identifier>DOI: 10.1016/j.matlet.2014.10.139</identifier><language>eng</language><publisher>Elsevier</publisher><subject>Cold flow ; Constants ; Cracks ; Creep strength ; Engineering Sciences ; Evolution ; Evolutionary ; Permeability ; Porosity</subject><ispartof>Materials letters, 2015-01, Vol.139, p.422-425</ispartof><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c318t-c875666959a5f20ef9e9a2cff09c788c80cff48ecb275c05fb20b406a17e69d73</citedby><cites>FETCH-LOGICAL-c318t-c875666959a5f20ef9e9a2cff09c788c80cff48ecb275c05fb20b406a17e69d73</cites><orcidid>0000-0002-2047-5463 ; 0000-0002-6632-8207</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27923,27924</link.rule.ids><backlink>$$Uhttps://hal.science/hal-01083315$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Zaobao</creatorcontrib><creatorcontrib>Shao, Jianfu</creatorcontrib><creatorcontrib>Xie, Shouyi</creatorcontrib><creatorcontrib>Secq, Jean</creatorcontrib><title>Gas permeability evolution of clayey rocks in process of compressive creep test</title><title>Materials letters</title><description>Low-permeability argillite is a potential material as the geological barrier in the context of radioactive waste disposal. This paper presents the influence of compressive creep deformation on gas permeability of the porous argillite by triaxial compressive creep test. The minerals and microscopic pore distribution of the argillite are analyzed from the SEM results. The triaxial compressive creep test is carried out to discover the evolutionary gas permeability of the material in the process of creep deformation and the corresponding evolution law of gas permeability is discussed closely related to both micro- and macro-characteristics of the material during creep deformation. The results suggest that gas permeability undergoes an evident decrease in initial deviatoric loading, tends to be constant in steady creep deformation, and demonstrates a slight increase in further creep when creep deformation creates cracks. The gas permeability does not exhibit a significant increase if material pores are not connected.</description><subject>Cold flow</subject><subject>Constants</subject><subject>Cracks</subject><subject>Creep strength</subject><subject>Engineering Sciences</subject><subject>Evolution</subject><subject>Evolutionary</subject><subject>Permeability</subject><subject>Porosity</subject><issn>0167-577X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNo9ULFOwzAU9AASpfAHDB5hSHhOYjseqwooUqUuILFZjnkWLk4T4rRS_p6kQUx3ujudTkfIHYOUAROP-7Q2fcA-zYAV6aTm6oIsRksmXMqPK3Id4x4ACgXFguxeTKQtdjWaygffDxRPTTj2vjnQxlEbzIAD7Rr7Hak_0HZkGOPZauq2G7k_IbUdYkt7jP0NuXQmRLz9wyV5f356W2-S7e7ldb3aJjZnZZ_YUnIhhOLKcJcBOoXKZNY5UFaWpS1h5EWJtsokt8BdlUFVgDBMolCfMl-Sh7n3ywTddr423aAb4_VmtdWTBgzKPGf8xMbs_Zwd1_8cx5G69tFiCOaAzTFqJgQAhyKbaos5arsmxg7dfzcDPf2r93r-V0__ntVc5b8cjHLP</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Liu, Zaobao</creator><creator>Shao, Jianfu</creator><creator>Xie, Shouyi</creator><creator>Secq, Jean</creator><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-2047-5463</orcidid><orcidid>https://orcid.org/0000-0002-6632-8207</orcidid></search><sort><creationdate>20150101</creationdate><title>Gas permeability evolution of clayey rocks in process of compressive creep test</title><author>Liu, Zaobao ; Shao, Jianfu ; Xie, Shouyi ; Secq, Jean</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c318t-c875666959a5f20ef9e9a2cff09c788c80cff48ecb275c05fb20b406a17e69d73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Cold flow</topic><topic>Constants</topic><topic>Cracks</topic><topic>Creep strength</topic><topic>Engineering Sciences</topic><topic>Evolution</topic><topic>Evolutionary</topic><topic>Permeability</topic><topic>Porosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Zaobao</creatorcontrib><creatorcontrib>Shao, Jianfu</creatorcontrib><creatorcontrib>Xie, Shouyi</creatorcontrib><creatorcontrib>Secq, Jean</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Zaobao</au><au>Shao, Jianfu</au><au>Xie, Shouyi</au><au>Secq, Jean</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gas permeability evolution of clayey rocks in process of compressive creep test</atitle><jtitle>Materials letters</jtitle><date>2015-01-01</date><risdate>2015</risdate><volume>139</volume><spage>422</spage><epage>425</epage><pages>422-425</pages><issn>0167-577X</issn><abstract>Low-permeability argillite is a potential material as the geological barrier in the context of radioactive waste disposal. This paper presents the influence of compressive creep deformation on gas permeability of the porous argillite by triaxial compressive creep test. The minerals and microscopic pore distribution of the argillite are analyzed from the SEM results. The triaxial compressive creep test is carried out to discover the evolutionary gas permeability of the material in the process of creep deformation and the corresponding evolution law of gas permeability is discussed closely related to both micro- and macro-characteristics of the material during creep deformation. The results suggest that gas permeability undergoes an evident decrease in initial deviatoric loading, tends to be constant in steady creep deformation, and demonstrates a slight increase in further creep when creep deformation creates cracks. 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| ispartof | Materials letters, 2015-01, Vol.139, p.422-425 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Cold flow Constants Cracks Creep strength Engineering Sciences Evolution Evolutionary Permeability Porosity |
| title | Gas permeability evolution of clayey rocks in process of compressive creep test |
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