Permeability Experiment of Fractured Rock with Rough Surfaces under Different Stress Conditions
To investigate the permeability changes and the mechanisms of fractured rock under dynamic and static stresses produced by earthquakes, permeability experiments on fractured rock with rough surfaces under axial dynamic and static stresses were conducted on the MTS815 Rock Mechanics Testing System. S...
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| Veröffentlicht in: | Geofluids 2020, Vol.2020 (2020), p.1-15 |
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| creator | Du, Xueming Wang, Shanyong Cai, Xin Zhang, Jing Zhou, Zilong Zang, Haizhi |
| description | To investigate the permeability changes and the mechanisms of fractured rock under dynamic and static stresses produced by earthquakes, permeability experiments on fractured rock with rough surfaces under axial dynamic and static stresses were conducted on the MTS815 Rock Mechanics Testing System. Surface asperity was investigated by scanning the specimen surfaces before and after testing. The results show that the roughness of fracture surface has a great influence on the permeability when the axial displacement is not enough to cause the fracture rock to slip. Moreover, the rougher fracture surface leads to severer surface damage as indicated by the more gouge productions. The accumulation of gouge materials on larger roughness fracture surfaces causes a slow drop in permeability. The fracture surfaces experience larger degradations, but it has small weights of gouge materials on fracture surface after testing under axial dynamic stress. The reason is that the gouge material transport and mobilization tend to occur in process of dynamic loading. Therefore, the permeability drops of axial dynamic stress are larger than those of axial static stress. |
| doi_str_mv | 10.1155/2020/9030484 |
| format | Article |
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Surface asperity was investigated by scanning the specimen surfaces before and after testing. The results show that the roughness of fracture surface has a great influence on the permeability when the axial displacement is not enough to cause the fracture rock to slip. Moreover, the rougher fracture surface leads to severer surface damage as indicated by the more gouge productions. The accumulation of gouge materials on larger roughness fracture surfaces causes a slow drop in permeability. The fracture surfaces experience larger degradations, but it has small weights of gouge materials on fracture surface after testing under axial dynamic stress. The reason is that the gouge material transport and mobilization tend to occur in process of dynamic loading. Therefore, the permeability drops of axial dynamic stress are larger than those of axial static stress.</description><identifier>ISSN: 1468-8115</identifier><identifier>EISSN: 1468-8123</identifier><identifier>DOI: 10.1155/2020/9030484</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Axial stress ; Calibration ; Damage accumulation ; Dynamic loads ; Earthquakes ; Experiments ; Fracture surfaces ; Laboratories ; Mechanical loading ; Permeability ; Photogrammetry ; Rock mechanics ; Rocks ; Roughness ; Scanners ; Seismic activity ; Seismology ; Testing ; Testing equipment</subject><ispartof>Geofluids, 2020, Vol.2020 (2020), p.1-15</ispartof><rights>Copyright © 2020 Zilong Zhou et al.</rights><rights>COPYRIGHT 2020 John Wiley & Sons, Inc.</rights><rights>Copyright © 2020 Zilong Zhou et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. http://creativecommons.org/licenses/by/4.0</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c465t-d88258de9a71a4939eff0815f9af99d3c54685655c61352ea24c0aa998d84fee3</citedby><cites>FETCH-LOGICAL-c465t-d88258de9a71a4939eff0815f9af99d3c54685655c61352ea24c0aa998d84fee3</cites><orcidid>0000-0002-3905-5514</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,865,878,2103,4025,27925,27926,27927</link.rule.ids></links><search><contributor>Yin, Qian</contributor><contributor>Qian Yin</contributor><creatorcontrib>Du, Xueming</creatorcontrib><creatorcontrib>Wang, Shanyong</creatorcontrib><creatorcontrib>Cai, Xin</creatorcontrib><creatorcontrib>Zhang, Jing</creatorcontrib><creatorcontrib>Zhou, Zilong</creatorcontrib><creatorcontrib>Zang, Haizhi</creatorcontrib><title>Permeability Experiment of Fractured Rock with Rough Surfaces under Different Stress Conditions</title><title>Geofluids</title><description>To investigate the permeability changes and the mechanisms of fractured rock under dynamic and static stresses produced by earthquakes, permeability experiments on fractured rock with rough surfaces under axial dynamic and static stresses were conducted on the MTS815 Rock Mechanics Testing System. Surface asperity was investigated by scanning the specimen surfaces before and after testing. The results show that the roughness of fracture surface has a great influence on the permeability when the axial displacement is not enough to cause the fracture rock to slip. Moreover, the rougher fracture surface leads to severer surface damage as indicated by the more gouge productions. The accumulation of gouge materials on larger roughness fracture surfaces causes a slow drop in permeability. The fracture surfaces experience larger degradations, but it has small weights of gouge materials on fracture surface after testing under axial dynamic stress. The reason is that the gouge material transport and mobilization tend to occur in process of dynamic loading. Therefore, the permeability drops of axial dynamic stress are larger than those of axial static stress.</description><subject>Axial stress</subject><subject>Calibration</subject><subject>Damage accumulation</subject><subject>Dynamic loads</subject><subject>Earthquakes</subject><subject>Experiments</subject><subject>Fracture surfaces</subject><subject>Laboratories</subject><subject>Mechanical loading</subject><subject>Permeability</subject><subject>Photogrammetry</subject><subject>Rock mechanics</subject><subject>Rocks</subject><subject>Roughness</subject><subject>Scanners</subject><subject>Seismic activity</subject><subject>Seismology</subject><subject>Testing</subject><subject>Testing equipment</subject><issn>1468-8115</issn><issn>1468-8123</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RHX</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>DOA</sourceid><recordid>eNqFkc1vEzEQxVcIJErhxhmtxBHS-nvtY5W2tFIlEIWzNbXHiUOyDrZXpf89TrcqR-SDR6PfPD_P67r3lJxQKuUpI4ycGsKJ0OJFd0SF0gtNGX_5XFP5untTyoYQOnDNjjr7DfMO4S5uY33oL_7sMccdjrVPob_M4OqU0fffk_vV38e6btW0Wve3Uw7gsPTT6DH35zEEzIep25qxlH6ZRh9rTGN5270KsC347uk-7n5eXvxYXi1uvn65Xp7dLJxQsi681kxqjwYGCsJwgyEQTWUwEIzx3MnmXyopnaJcMgQmHAEwRnstAiI_7q5nXZ9gY_ftE5AfbIJoHxspryzkGt0WrdCDGMDDHddStFUBldge4URKKgdUTevjrLXP6feEpdpNmvLY7FsmKNOUDEo36mSmVtBE4xhSbftqx-MuujRiiK1_pjjXgnF9GPg8D7icSskYnm1SYg_52UN-9im_hn-a8XUcPdzH_9EfZhobgwH-0VQpSRT_C6ifopQ</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Du, Xueming</creator><creator>Wang, Shanyong</creator><creator>Cai, Xin</creator><creator>Zhang, Jing</creator><creator>Zhou, Zilong</creator><creator>Zang, Haizhi</creator><general>Hindawi Publishing Corporation</general><general>Hindawi</general><general>John Wiley & Sons, Inc</general><general>Hindawi Limited</general><general>Hindawi-Wiley</general><scope>ADJCN</scope><scope>AHFXO</scope><scope>RHU</scope><scope>RHW</scope><scope>RHX</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7UA</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-3905-5514</orcidid></search><sort><creationdate>2020</creationdate><title>Permeability Experiment of Fractured Rock with Rough Surfaces under Different Stress Conditions</title><author>Du, Xueming ; Wang, Shanyong ; Cai, Xin ; Zhang, Jing ; Zhou, Zilong ; Zang, Haizhi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c465t-d88258de9a71a4939eff0815f9af99d3c54685655c61352ea24c0aa998d84fee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Axial stress</topic><topic>Calibration</topic><topic>Damage accumulation</topic><topic>Dynamic loads</topic><topic>Earthquakes</topic><topic>Experiments</topic><topic>Fracture surfaces</topic><topic>Laboratories</topic><topic>Mechanical loading</topic><topic>Permeability</topic><topic>Photogrammetry</topic><topic>Rock mechanics</topic><topic>Rocks</topic><topic>Roughness</topic><topic>Scanners</topic><topic>Seismic activity</topic><topic>Seismology</topic><topic>Testing</topic><topic>Testing equipment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Du, Xueming</creatorcontrib><creatorcontrib>Wang, Shanyong</creatorcontrib><creatorcontrib>Cai, Xin</creatorcontrib><creatorcontrib>Zhang, Jing</creatorcontrib><creatorcontrib>Zhou, Zilong</creatorcontrib><creatorcontrib>Zang, Haizhi</creatorcontrib><collection>الدوريات العلمية والإحصائية - e-Marefa Academic and Statistical Periodicals</collection><collection>معرفة - المحتوى العربي الأكاديمي المتكامل - e-Marefa Academic Complete</collection><collection>Hindawi Publishing Complete</collection><collection>Hindawi Publishing Subscription Journals</collection><collection>Hindawi Publishing Open Access</collection><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>ProQuest 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>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>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>DOAJ Directory of Open Access Journals</collection><jtitle>Geofluids</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Du, Xueming</au><au>Wang, Shanyong</au><au>Cai, Xin</au><au>Zhang, Jing</au><au>Zhou, Zilong</au><au>Zang, Haizhi</au><au>Yin, Qian</au><au>Qian Yin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Permeability Experiment of Fractured Rock with Rough Surfaces under Different Stress Conditions</atitle><jtitle>Geofluids</jtitle><date>2020</date><risdate>2020</risdate><volume>2020</volume><issue>2020</issue><spage>1</spage><epage>15</epage><pages>1-15</pages><issn>1468-8115</issn><eissn>1468-8123</eissn><abstract>To investigate the permeability changes and the mechanisms of fractured rock under dynamic and static stresses produced by earthquakes, permeability experiments on fractured rock with rough surfaces under axial dynamic and static stresses were conducted on the MTS815 Rock Mechanics Testing System. Surface asperity was investigated by scanning the specimen surfaces before and after testing. The results show that the roughness of fracture surface has a great influence on the permeability when the axial displacement is not enough to cause the fracture rock to slip. Moreover, the rougher fracture surface leads to severer surface damage as indicated by the more gouge productions. The accumulation of gouge materials on larger roughness fracture surfaces causes a slow drop in permeability. The fracture surfaces experience larger degradations, but it has small weights of gouge materials on fracture surface after testing under axial dynamic stress. The reason is that the gouge material transport and mobilization tend to occur in process of dynamic loading. Therefore, the permeability drops of axial dynamic stress are larger than those of axial static stress.</abstract><cop>Cairo, Egypt</cop><pub>Hindawi Publishing Corporation</pub><doi>10.1155/2020/9030484</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0002-3905-5514</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Axial stress Calibration Damage accumulation Dynamic loads Earthquakes Experiments Fracture surfaces Laboratories Mechanical loading Permeability Photogrammetry Rock mechanics Rocks Roughness Scanners Seismic activity Seismology Testing Testing equipment |
| title | Permeability Experiment of Fractured Rock with Rough Surfaces under Different Stress Conditions |
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