Investigation on strong vertical permeability and micro-pore characteristics of Jinan red clay using X-ray micro-tomography
Due to the peculiarity of the spring domain strata in Jinan, the phenomenon of serious water seepage appears in the process of excavation. The macro permeability of soil is closely correlated with its microstructure. In this study, using the X-ray micro-tomography (micro-CT) system and a self-design...
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| Veröffentlicht in: | Environmental earth sciences 2023-03, Vol.82 (5), p.122, Article 122 |
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| creator | Cai, Hao Zhang, Qi Ye, Guanlin Lu, Linhai Wu, Chaojun Ji, Fang |
| description | Due to the peculiarity of the spring domain strata in Jinan, the phenomenon of serious water seepage appears in the process of excavation. The macro permeability of soil is closely correlated with its microstructure. In this study, using the X-ray micro-tomography (micro-CT) system and a self-designed soil seepage device, the internal pore structure of Jinan red clay and the water flow inside the sample under different seepage stages were observed. The microstructure of water phase and air phase in the sample was segmented by the watershed algorithm. Calculation and comparison of pore and throat size distributions and coordination number (CN) at different seepage stages were conducted by establishing pore network model (PNM). Meanwhile, the seepage experiment simulations were conducted based on the 3D pore structure of red clay. The results show that the preferentially flow of Jinan red clay is obvious due to the existence of the vertically developed macropore channel. The fine particles (mainly silt particles) are washed away during seepage, thereby expanding the pore channels. The maximum pore radius and pore connectivity have important influence on seepage characteristics of Jinan red clay, but the correlation between porosity is small. |
| doi_str_mv | 10.1007/s12665-023-10810-9 |
| format | Article |
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The macro permeability of soil is closely correlated with its microstructure. In this study, using the X-ray micro-tomography (micro-CT) system and a self-designed soil seepage device, the internal pore structure of Jinan red clay and the water flow inside the sample under different seepage stages were observed. The microstructure of water phase and air phase in the sample was segmented by the watershed algorithm. Calculation and comparison of pore and throat size distributions and coordination number (CN) at different seepage stages were conducted by establishing pore network model (PNM). Meanwhile, the seepage experiment simulations were conducted based on the 3D pore structure of red clay. The results show that the preferentially flow of Jinan red clay is obvious due to the existence of the vertically developed macropore channel. The fine particles (mainly silt particles) are washed away during seepage, thereby expanding the pore channels. The maximum pore radius and pore connectivity have important influence on seepage characteristics of Jinan red clay, but the correlation between porosity is small.</description><identifier>ISSN: 1866-6280</identifier><identifier>EISSN: 1866-6299</identifier><identifier>DOI: 10.1007/s12665-023-10810-9</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Algorithms ; Biogeosciences ; Clay ; Computed tomography ; Coordination numbers ; Dredging ; Earth and Environmental Science ; Earth Sciences ; Environmental Science and Engineering ; Excavation ; Geochemistry ; Geology ; Hydrology/Water Resources ; Membrane permeability ; Microstructure ; Original Article ; Pelagic clay ; Permeability ; Porosity ; Seepage ; Soil permeability ; Soil porosity ; Soils ; Submarine springs ; Terrestrial Pollution ; Tomography ; Water flow ; Water seepage ; Watersheds ; X ray microtomography ; X rays</subject><ispartof>Environmental earth sciences, 2023-03, Vol.82 (5), p.122, Article 122</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a386t-d714604b52b5cff0375dba6e5f5bd4063682f4b39cd1e83c85ecaf0ed0839ece3</citedby><cites>FETCH-LOGICAL-a386t-d714604b52b5cff0375dba6e5f5bd4063682f4b39cd1e83c85ecaf0ed0839ece3</cites><orcidid>0000-0002-6679-4566</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12665-023-10810-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12665-023-10810-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,782,786,27933,27934,41497,42566,51328</link.rule.ids></links><search><creatorcontrib>Cai, Hao</creatorcontrib><creatorcontrib>Zhang, Qi</creatorcontrib><creatorcontrib>Ye, Guanlin</creatorcontrib><creatorcontrib>Lu, Linhai</creatorcontrib><creatorcontrib>Wu, Chaojun</creatorcontrib><creatorcontrib>Ji, Fang</creatorcontrib><title>Investigation on strong vertical permeability and micro-pore characteristics of Jinan red clay using X-ray micro-tomography</title><title>Environmental earth sciences</title><addtitle>Environ Earth Sci</addtitle><description>Due to the peculiarity of the spring domain strata in Jinan, the phenomenon of serious water seepage appears in the process of excavation. The macro permeability of soil is closely correlated with its microstructure. In this study, using the X-ray micro-tomography (micro-CT) system and a self-designed soil seepage device, the internal pore structure of Jinan red clay and the water flow inside the sample under different seepage stages were observed. The microstructure of water phase and air phase in the sample was segmented by the watershed algorithm. Calculation and comparison of pore and throat size distributions and coordination number (CN) at different seepage stages were conducted by establishing pore network model (PNM). Meanwhile, the seepage experiment simulations were conducted based on the 3D pore structure of red clay. The results show that the preferentially flow of Jinan red clay is obvious due to the existence of the vertically developed macropore channel. The fine particles (mainly silt particles) are washed away during seepage, thereby expanding the pore channels. The maximum pore radius and pore connectivity have important influence on seepage characteristics of Jinan red clay, but the correlation between porosity is small.</description><subject>Algorithms</subject><subject>Biogeosciences</subject><subject>Clay</subject><subject>Computed tomography</subject><subject>Coordination numbers</subject><subject>Dredging</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Environmental Science and Engineering</subject><subject>Excavation</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Hydrology/Water Resources</subject><subject>Membrane permeability</subject><subject>Microstructure</subject><subject>Original Article</subject><subject>Pelagic clay</subject><subject>Permeability</subject><subject>Porosity</subject><subject>Seepage</subject><subject>Soil permeability</subject><subject>Soil porosity</subject><subject>Soils</subject><subject>Submarine springs</subject><subject>Terrestrial Pollution</subject><subject>Tomography</subject><subject>Water flow</subject><subject>Water seepage</subject><subject>Watersheds</subject><subject>X ray microtomography</subject><subject>X rays</subject><issn>1866-6280</issn><issn>1866-6299</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9UE1LxDAQDaLgsu4f8BTwHJ00bZoeZfFjZcGLgreQpmk3S9vUpLtQ_PNGK3pzGJh3eO_NzEPoksI1BchvAk04zwgkjFAQFEhxghZUcE54UhSnv1jAOVqFsIdYjLIC-AJ9bPqjCaNt1Ghdj2OH0bu-wUfjR6tViwfjO6NK29pxwqqvcGe1d2Rw3mC9U17p0XgbLXTArsZPtlc99qbCulUTPgQbzd6Ij3gWjq5zjVfDbrpAZ7Vqg1n9zCV6vb97WT-S7fPDZn27JYoJPpIqpymHtMySMtN1DSzPqlJxk9VZWaXAGRdJnZas0BU1gmmRGa1qMBUIVhht2BJdzb6Dd--H-K3cu4Pv40qZ5HkhIKc5RFYys-KRIXhTy8HbTvlJUpBfOcs5Zxlzlt85yyKK2CwKkdw3xv9Z_6P6BMW-gyc</recordid><startdate>20230301</startdate><enddate>20230301</enddate><creator>Cai, Hao</creator><creator>Zhang, Qi</creator><creator>Ye, Guanlin</creator><creator>Lu, Linhai</creator><creator>Wu, Chaojun</creator><creator>Ji, Fang</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-6679-4566</orcidid></search><sort><creationdate>20230301</creationdate><title>Investigation on strong vertical permeability and micro-pore characteristics of Jinan red clay using X-ray micro-tomography</title><author>Cai, Hao ; Zhang, Qi ; Ye, Guanlin ; Lu, Linhai ; Wu, Chaojun ; Ji, Fang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a386t-d714604b52b5cff0375dba6e5f5bd4063682f4b39cd1e83c85ecaf0ed0839ece3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Algorithms</topic><topic>Biogeosciences</topic><topic>Clay</topic><topic>Computed tomography</topic><topic>Coordination numbers</topic><topic>Dredging</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Environmental Science and Engineering</topic><topic>Excavation</topic><topic>Geochemistry</topic><topic>Geology</topic><topic>Hydrology/Water Resources</topic><topic>Membrane permeability</topic><topic>Microstructure</topic><topic>Original Article</topic><topic>Pelagic clay</topic><topic>Permeability</topic><topic>Porosity</topic><topic>Seepage</topic><topic>Soil permeability</topic><topic>Soil porosity</topic><topic>Soils</topic><topic>Submarine springs</topic><topic>Terrestrial Pollution</topic><topic>Tomography</topic><topic>Water flow</topic><topic>Water seepage</topic><topic>Watersheds</topic><topic>X ray microtomography</topic><topic>X rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cai, Hao</creatorcontrib><creatorcontrib>Zhang, Qi</creatorcontrib><creatorcontrib>Ye, Guanlin</creatorcontrib><creatorcontrib>Lu, Linhai</creatorcontrib><creatorcontrib>Wu, Chaojun</creatorcontrib><creatorcontrib>Ji, Fang</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Science Database</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><jtitle>Environmental earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cai, Hao</au><au>Zhang, Qi</au><au>Ye, Guanlin</au><au>Lu, Linhai</au><au>Wu, Chaojun</au><au>Ji, Fang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation on strong vertical permeability and micro-pore characteristics of Jinan red clay using X-ray micro-tomography</atitle><jtitle>Environmental earth sciences</jtitle><stitle>Environ Earth Sci</stitle><date>2023-03-01</date><risdate>2023</risdate><volume>82</volume><issue>5</issue><spage>122</spage><pages>122-</pages><artnum>122</artnum><issn>1866-6280</issn><eissn>1866-6299</eissn><abstract>Due to the peculiarity of the spring domain strata in Jinan, the phenomenon of serious water seepage appears in the process of excavation. The macro permeability of soil is closely correlated with its microstructure. In this study, using the X-ray micro-tomography (micro-CT) system and a self-designed soil seepage device, the internal pore structure of Jinan red clay and the water flow inside the sample under different seepage stages were observed. The microstructure of water phase and air phase in the sample was segmented by the watershed algorithm. Calculation and comparison of pore and throat size distributions and coordination number (CN) at different seepage stages were conducted by establishing pore network model (PNM). Meanwhile, the seepage experiment simulations were conducted based on the 3D pore structure of red clay. The results show that the preferentially flow of Jinan red clay is obvious due to the existence of the vertically developed macropore channel. The fine particles (mainly silt particles) are washed away during seepage, thereby expanding the pore channels. The maximum pore radius and pore connectivity have important influence on seepage characteristics of Jinan red clay, but the correlation between porosity is small.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s12665-023-10810-9</doi><orcidid>https://orcid.org/0000-0002-6679-4566</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Algorithms Biogeosciences Clay Computed tomography Coordination numbers Dredging Earth and Environmental Science Earth Sciences Environmental Science and Engineering Excavation Geochemistry Geology Hydrology/Water Resources Membrane permeability Microstructure Original Article Pelagic clay Permeability Porosity Seepage Soil permeability Soil porosity Soils Submarine springs Terrestrial Pollution Tomography Water flow Water seepage Watersheds X ray microtomography X rays |
| title | Investigation on strong vertical permeability and micro-pore characteristics of Jinan red clay using X-ray micro-tomography |
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