A HYDRO-MECHANICAL-CHEMICAL COUPLING MODEL FOR GEOMATERIAL WITH BOTH MECHANICAL AND CHEMICAL DAMAGES CONSIDERED
A general framework of hydro-mechanical-chemical coupling model is proposed for geomaterial subjected to the dual effects of mechanical loading and chemical degradation. Mechanical damage due to microcracks in solid matrix and chemical damage induced by the increase of porosity due to dissolution of...
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| Veröffentlicht in: | Acta mechanica solida Sinica 2012-08, Vol.25 (4), p.361-376 |
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| creator | Hu, Dawei Zhou, Hui Hu, Qizhi Shao, Jianfu Feng, Xiating Xiao, Haibin |
| description | A general framework of hydro-mechanical-chemical coupling model is proposed for geomaterial subjected to the dual effects of mechanical loading and chemical degradation. Mechanical damage due to microcracks in solid matrix and chemical damage induced by the increase of porosity due to dissolution of matrix minerals as well as their interactions are considered. A special model is proposed for sandstone. The reaction rate is formulated within the framework of mineral reaction kinetics and can thus take into account different dissolution mechanisms of three main mineral compositions under different pH values. The increase of porosity is physically defined by the dissolution of mineral composition and the chemical damage is related to the increase of porosity. The mechanical behavior is characterized by unified plastic damage and viscoplastic damage modeling. The effective stress is used for describing the effect of pore pressure. The elastic parameters and plastic evolution as well as viscoplastic evolution are dependent on chemical damage. The advection, which is coupled with mechanical damage and chemical damage, is considered as the dominant mechanism of mass transfer. The application of model proposed is from decoupled experiments to fully coupled experiment. The model offers a convenient approach to describing the hydro-mechanical-chemical coupled behavior of geomaterial. |
| doi_str_mv | 10.1016/S0894-9166(12)60033-0 |
| format | Article |
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Mechanical damage due to microcracks in solid matrix and chemical damage induced by the increase of porosity due to dissolution of matrix minerals as well as their interactions are considered. A special model is proposed for sandstone. The reaction rate is formulated within the framework of mineral reaction kinetics and can thus take into account different dissolution mechanisms of three main mineral compositions under different pH values. The increase of porosity is physically defined by the dissolution of mineral composition and the chemical damage is related to the increase of porosity. The mechanical behavior is characterized by unified plastic damage and viscoplastic damage modeling. The effective stress is used for describing the effect of pore pressure. The elastic parameters and plastic evolution as well as viscoplastic evolution are dependent on chemical damage. The advection, which is coupled with mechanical damage and chemical damage, is considered as the dominant mechanism of mass transfer. The application of model proposed is from decoupled experiments to fully coupled experiment. The model offers a convenient approach to describing the hydro-mechanical-chemical coupled behavior of geomaterial.</description><identifier>ISSN: 0894-9166</identifier><identifier>EISSN: 1860-2134</identifier><identifier>DOI: 10.1016/S0894-9166(12)60033-0</identifier><language>eng</language><publisher>Singapore: Elsevier Ltd</publisher><subject>chemical damage ; chemical kinetics ; Classical Mechanics ; Damage ; Dissolution ; Engineering ; Evolution ; Geomaterials ; hydro-mechanical-chemical coupling ; Joining ; Mathematical models ; mechanical damage ; Minerals ; Porosity ; sandstone ; Surfaces and Interfaces ; Theoretical and Applied Mechanics ; Thin Films ; 化学降解 ; 土工材料 ; 损害 ; 有效应力 ; 机械负荷 ; 溶解机制 ; 矿物成分 ; 耦合模型</subject><ispartof>Acta mechanica solida Sinica, 2012-08, Vol.25 (4), p.361-376</ispartof><rights>2012 The Chinese Society of Theoretical and Applied Mechanics</rights><rights>The Chinese Society of Theoretical and Applied Mechanics and Technology 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-4caf0d2c05063b009a4c46475ff468ba05c2086a7efbdbdc618875b4766ec9ea3</citedby><cites>FETCH-LOGICAL-c415t-4caf0d2c05063b009a4c46475ff468ba05c2086a7efbdbdc618875b4766ec9ea3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/87045X/87045X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1016/S0894-9166(12)60033-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0894-9166(12)60033-0$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,41488,42557,45995,51319</link.rule.ids></links><search><creatorcontrib>Hu, Dawei</creatorcontrib><creatorcontrib>Zhou, Hui</creatorcontrib><creatorcontrib>Hu, Qizhi</creatorcontrib><creatorcontrib>Shao, Jianfu</creatorcontrib><creatorcontrib>Feng, Xiating</creatorcontrib><creatorcontrib>Xiao, Haibin</creatorcontrib><title>A HYDRO-MECHANICAL-CHEMICAL COUPLING MODEL FOR GEOMATERIAL WITH BOTH MECHANICAL AND CHEMICAL DAMAGES CONSIDERED</title><title>Acta mechanica solida Sinica</title><addtitle>Acta Mech. Solida Sin</addtitle><addtitle>Acta Mechanica Solida Sinica</addtitle><description>A general framework of hydro-mechanical-chemical coupling model is proposed for geomaterial subjected to the dual effects of mechanical loading and chemical degradation. Mechanical damage due to microcracks in solid matrix and chemical damage induced by the increase of porosity due to dissolution of matrix minerals as well as their interactions are considered. A special model is proposed for sandstone. The reaction rate is formulated within the framework of mineral reaction kinetics and can thus take into account different dissolution mechanisms of three main mineral compositions under different pH values. The increase of porosity is physically defined by the dissolution of mineral composition and the chemical damage is related to the increase of porosity. The mechanical behavior is characterized by unified plastic damage and viscoplastic damage modeling. The effective stress is used for describing the effect of pore pressure. The elastic parameters and plastic evolution as well as viscoplastic evolution are dependent on chemical damage. The advection, which is coupled with mechanical damage and chemical damage, is considered as the dominant mechanism of mass transfer. The application of model proposed is from decoupled experiments to fully coupled experiment. The model offers a convenient approach to describing the hydro-mechanical-chemical coupled behavior of geomaterial.</description><subject>chemical damage</subject><subject>chemical kinetics</subject><subject>Classical Mechanics</subject><subject>Damage</subject><subject>Dissolution</subject><subject>Engineering</subject><subject>Evolution</subject><subject>Geomaterials</subject><subject>hydro-mechanical-chemical coupling</subject><subject>Joining</subject><subject>Mathematical models</subject><subject>mechanical damage</subject><subject>Minerals</subject><subject>Porosity</subject><subject>sandstone</subject><subject>Surfaces and Interfaces</subject><subject>Theoretical and Applied Mechanics</subject><subject>Thin Films</subject><subject>化学降解</subject><subject>土工材料</subject><subject>损害</subject><subject>有效应力</subject><subject>机械负荷</subject><subject>溶解机制</subject><subject>矿物成分</subject><subject>耦合模型</subject><issn>0894-9166</issn><issn>1860-2134</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkF1vmzAUhq1qk5q1_QmV2F13wXr8gYGriYETkEKo8qFqVxYY0xEl0OBk0v79nKTKLnNjW_L7vMd-EHrE8B0D5s8LCELmhpjzJ0y-cQBKXbhBIxxwcAmm7BMaXSK36IsxawACNCAj1EdO-iuZF24u4jSaZXE0deNU5MeDExerl2k2mzh5kYipMy7mzkQUebQU88xev2bL1PlZ2OU_7ESzxLkUJFEeTcTCFs0WWSLmIrlHn5tyY_TDx36HVmOxjFN3WkxOwxXD3t5lqmygJgo84LQCCEumGGe-1zSMB1UJniIQ8NLXTVVXteI4CHyvYj7nWoW6pHfo6dz7PvS7gzZ7uW2N0ptN2en-YCTGlHssJD62Ue8cVUNvzKAb-T6023L4KzHIo2B5EiyP9iQm8iRYguX4mTM2373pQa77w9DZX10Ff5xBbQX8aS1oVKs7pet20Gov67692vD148m_--5tZ6df3swoIdYXpv8AHSWT5Q</recordid><startdate>20120801</startdate><enddate>20120801</enddate><creator>Hu, Dawei</creator><creator>Zhou, Hui</creator><creator>Hu, Qizhi</creator><creator>Shao, Jianfu</creator><creator>Feng, Xiating</creator><creator>Xiao, Haibin</creator><general>Elsevier Ltd</general><general>Springer Singapore</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20120801</creationdate><title>A HYDRO-MECHANICAL-CHEMICAL COUPLING MODEL FOR GEOMATERIAL WITH BOTH MECHANICAL AND CHEMICAL DAMAGES CONSIDERED</title><author>Hu, Dawei ; Zhou, Hui ; Hu, Qizhi ; Shao, Jianfu ; Feng, Xiating ; Xiao, Haibin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-4caf0d2c05063b009a4c46475ff468ba05c2086a7efbdbdc618875b4766ec9ea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>chemical damage</topic><topic>chemical kinetics</topic><topic>Classical Mechanics</topic><topic>Damage</topic><topic>Dissolution</topic><topic>Engineering</topic><topic>Evolution</topic><topic>Geomaterials</topic><topic>hydro-mechanical-chemical coupling</topic><topic>Joining</topic><topic>Mathematical models</topic><topic>mechanical damage</topic><topic>Minerals</topic><topic>Porosity</topic><topic>sandstone</topic><topic>Surfaces and Interfaces</topic><topic>Theoretical and Applied Mechanics</topic><topic>Thin Films</topic><topic>化学降解</topic><topic>土工材料</topic><topic>损害</topic><topic>有效应力</topic><topic>机械负荷</topic><topic>溶解机制</topic><topic>矿物成分</topic><topic>耦合模型</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hu, Dawei</creatorcontrib><creatorcontrib>Zhou, Hui</creatorcontrib><creatorcontrib>Hu, Qizhi</creatorcontrib><creatorcontrib>Shao, Jianfu</creatorcontrib><creatorcontrib>Feng, Xiating</creatorcontrib><creatorcontrib>Xiao, Haibin</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Acta mechanica solida Sinica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hu, Dawei</au><au>Zhou, Hui</au><au>Hu, Qizhi</au><au>Shao, Jianfu</au><au>Feng, Xiating</au><au>Xiao, Haibin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A HYDRO-MECHANICAL-CHEMICAL COUPLING MODEL FOR GEOMATERIAL WITH BOTH MECHANICAL AND CHEMICAL DAMAGES CONSIDERED</atitle><jtitle>Acta mechanica solida Sinica</jtitle><stitle>Acta Mech. Solida Sin</stitle><addtitle>Acta Mechanica Solida Sinica</addtitle><date>2012-08-01</date><risdate>2012</risdate><volume>25</volume><issue>4</issue><spage>361</spage><epage>376</epage><pages>361-376</pages><issn>0894-9166</issn><eissn>1860-2134</eissn><abstract>A general framework of hydro-mechanical-chemical coupling model is proposed for geomaterial subjected to the dual effects of mechanical loading and chemical degradation. Mechanical damage due to microcracks in solid matrix and chemical damage induced by the increase of porosity due to dissolution of matrix minerals as well as their interactions are considered. A special model is proposed for sandstone. The reaction rate is formulated within the framework of mineral reaction kinetics and can thus take into account different dissolution mechanisms of three main mineral compositions under different pH values. The increase of porosity is physically defined by the dissolution of mineral composition and the chemical damage is related to the increase of porosity. The mechanical behavior is characterized by unified plastic damage and viscoplastic damage modeling. The effective stress is used for describing the effect of pore pressure. The elastic parameters and plastic evolution as well as viscoplastic evolution are dependent on chemical damage. The advection, which is coupled with mechanical damage and chemical damage, is considered as the dominant mechanism of mass transfer. The application of model proposed is from decoupled experiments to fully coupled experiment. The model offers a convenient approach to describing the hydro-mechanical-chemical coupled behavior of geomaterial.</abstract><cop>Singapore</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0894-9166(12)60033-0</doi><tpages>16</tpages></addata></record> |
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| subjects | chemical damage chemical kinetics Classical Mechanics Damage Dissolution Engineering Evolution Geomaterials hydro-mechanical-chemical coupling Joining Mathematical models mechanical damage Minerals Porosity sandstone Surfaces and Interfaces Theoretical and Applied Mechanics Thin Films 化学降解 土工材料 损害 有效应力 机械负荷 溶解机制 矿物成分 耦合模型 |
| title | A HYDRO-MECHANICAL-CHEMICAL COUPLING MODEL FOR GEOMATERIAL WITH BOTH MECHANICAL AND CHEMICAL DAMAGES CONSIDERED |
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