Analytical Study on Influence of Concrete Crack on Current Distribution in Cathodic Protection
In this study, the influence of cracks that have been generated in the cover concrete by the hand chipping on the current distribution along the rebar to which the cathodic protection is applied. As the first step, with the specimens made of mortar and steel plate, it was found that the large crack...
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| Veröffentlicht in: | Journal of the Society of Materials Science, Japan Japan, 2022/07/15, Vol.71(7), pp.623-630 |
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| container_end_page | 630 |
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| container_title | Journal of the Society of Materials Science, Japan |
| container_volume | 71 |
| creator | KOBAYASHI, Koichi NITTA, Kazune |
| description | In this study, the influence of cracks that have been generated in the cover concrete by the hand chipping on the current distribution along the rebar to which the cathodic protection is applied. As the first step, with the specimens made of mortar and steel plate, it was found that the large crack nearby the steel plate affects the current distribution. In order to simulate the electric potential/current flow distribution by the cathodic protection, an analytical model with two dimensional FDM was built. As the second step, in order to investigate the influence of the crack in concrete on the distribution of the corrosion prevention current in the structure, the analytical model was applied to the structure. It was found by the simulation that cracks do not give fatal adverse effects on the effect of cathodic protection, as long as very large cracks which cannot be found in the application of the cathodic protection are not generated. |
| doi_str_mv | 10.2472/jsms.71.623 |
| format | Article |
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As the first step, with the specimens made of mortar and steel plate, it was found that the large crack nearby the steel plate affects the current distribution. In order to simulate the electric potential/current flow distribution by the cathodic protection, an analytical model with two dimensional FDM was built. As the second step, in order to investigate the influence of the crack in concrete on the distribution of the corrosion prevention current in the structure, the analytical model was applied to the structure. It was found by the simulation that cracks do not give fatal adverse effects on the effect of cathodic protection, as long as very large cracks which cannot be found in the application of the cathodic protection are not generated.</description><identifier>ISSN: 0514-5163</identifier><identifier>EISSN: 1880-7488</identifier><identifier>DOI: 10.2472/jsms.71.623</identifier><language>eng ; jpn</language><publisher>Kyoto: The Society of Materials Science, Japan</publisher><subject>Cathodic protection ; Cathodic protection, Corrosion prevention current, Hand chipping, Crack, Potential/Current analysis ; Chipping ; Corrosion prevention ; Cracks ; Current distribution ; Flow distribution ; Mathematical analysis ; Mathematical models ; Mortars (material) ; Steel plates ; Two dimensional analysis ; Two dimensional models</subject><ispartof>Journal of the Society of Materials Science, Japan, 2022/07/15, Vol.71(7), pp.623-630</ispartof><rights>2022 by The Society of Materials Science, Japan</rights><rights>Copyright Japan Science and Technology Agency 2022</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c1563-ca01a913ee9beddf3f097af7ec03fc8c6996d2bb8b9db6778ca99fc5ef45a88a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,27901,27902</link.rule.ids></links><search><creatorcontrib>KOBAYASHI, Koichi</creatorcontrib><creatorcontrib>NITTA, Kazune</creatorcontrib><title>Analytical Study on Influence of Concrete Crack on Current Distribution in Cathodic Protection</title><title>Journal of the Society of Materials Science, Japan</title><addtitle>J. Soc. Mat. Sci., Japan</addtitle><description>In this study, the influence of cracks that have been generated in the cover concrete by the hand chipping on the current distribution along the rebar to which the cathodic protection is applied. As the first step, with the specimens made of mortar and steel plate, it was found that the large crack nearby the steel plate affects the current distribution. In order to simulate the electric potential/current flow distribution by the cathodic protection, an analytical model with two dimensional FDM was built. As the second step, in order to investigate the influence of the crack in concrete on the distribution of the corrosion prevention current in the structure, the analytical model was applied to the structure. It was found by the simulation that cracks do not give fatal adverse effects on the effect of cathodic protection, as long as very large cracks which cannot be found in the application of the cathodic protection are not generated.</description><subject>Cathodic protection</subject><subject>Cathodic protection, Corrosion prevention current, Hand chipping, Crack, Potential/Current analysis</subject><subject>Chipping</subject><subject>Corrosion prevention</subject><subject>Cracks</subject><subject>Current distribution</subject><subject>Flow distribution</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Mortars (material)</subject><subject>Steel plates</subject><subject>Two dimensional analysis</subject><subject>Two dimensional models</subject><issn>0514-5163</issn><issn>1880-7488</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNo9kF1LwzAUhoMoOOau_AMBL6UzadomuRFG_RoMFNRbQ5qeuMyu0SS92L-3Y2NXB973OQfOg9A1JfO84PndJm7jnNN5lbMzNKFCkIwXQpyjCSlpkZW0YpdoFqNrCMnznIlCTtDXotfdLjmjO_yehnaHfY-Xve0G6A1gb3HtexMgAa6DNj_7uh5CgD7hBxdTcM2Q3Bi6Mddp7Vtn8FvwCcw-vkIXVncRZsc5RZ9Pjx_1S7Z6fV7Wi1VmaFmxzGhCtaQMQDbQtpZZIrm2HAxh1ghTSVm1edOIRrZNxbkwWkprSrBFqYXQbIpuDnd_g_8bICa18UMYX4sqrySnglSjlim6PVAm-BgDWPUb3FaHnaJE7R2qvUPFqRrhkb4_0JuY9DecWB1GXR2cWH5cOBVmrYOCnv0D1qR9iQ</recordid><startdate>20220715</startdate><enddate>20220715</enddate><creator>KOBAYASHI, Koichi</creator><creator>NITTA, Kazune</creator><general>The Society of Materials Science, Japan</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20220715</creationdate><title>Analytical Study on Influence of Concrete Crack on Current Distribution in Cathodic Protection</title><author>KOBAYASHI, Koichi ; NITTA, Kazune</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1563-ca01a913ee9beddf3f097af7ec03fc8c6996d2bb8b9db6778ca99fc5ef45a88a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2022</creationdate><topic>Cathodic protection</topic><topic>Cathodic protection, Corrosion prevention current, Hand chipping, Crack, Potential/Current analysis</topic><topic>Chipping</topic><topic>Corrosion prevention</topic><topic>Cracks</topic><topic>Current distribution</topic><topic>Flow distribution</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Mortars (material)</topic><topic>Steel plates</topic><topic>Two dimensional analysis</topic><topic>Two dimensional models</topic><toplevel>online_resources</toplevel><creatorcontrib>KOBAYASHI, Koichi</creatorcontrib><creatorcontrib>NITTA, Kazune</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the Society of Materials Science, Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>KOBAYASHI, Koichi</au><au>NITTA, Kazune</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analytical Study on Influence of Concrete Crack on Current Distribution in Cathodic Protection</atitle><jtitle>Journal of the Society of Materials Science, Japan</jtitle><addtitle>J. Soc. Mat. Sci., Japan</addtitle><date>2022-07-15</date><risdate>2022</risdate><volume>71</volume><issue>7</issue><spage>623</spage><epage>630</epage><pages>623-630</pages><issn>0514-5163</issn><eissn>1880-7488</eissn><abstract>In this study, the influence of cracks that have been generated in the cover concrete by the hand chipping on the current distribution along the rebar to which the cathodic protection is applied. As the first step, with the specimens made of mortar and steel plate, it was found that the large crack nearby the steel plate affects the current distribution. In order to simulate the electric potential/current flow distribution by the cathodic protection, an analytical model with two dimensional FDM was built. As the second step, in order to investigate the influence of the crack in concrete on the distribution of the corrosion prevention current in the structure, the analytical model was applied to the structure. It was found by the simulation that cracks do not give fatal adverse effects on the effect of cathodic protection, as long as very large cracks which cannot be found in the application of the cathodic protection are not generated.</abstract><cop>Kyoto</cop><pub>The Society of Materials Science, Japan</pub><doi>10.2472/jsms.71.623</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of the Society of Materials Science, Japan, 2022/07/15, Vol.71(7), pp.623-630 |
| issn | 0514-5163 1880-7488 |
| language | eng ; jpn |
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| source | J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Cathodic protection Cathodic protection, Corrosion prevention current, Hand chipping, Crack, Potential/Current analysis Chipping Corrosion prevention Cracks Current distribution Flow distribution Mathematical analysis Mathematical models Mortars (material) Steel plates Two dimensional analysis Two dimensional models |
| title | Analytical Study on Influence of Concrete Crack on Current Distribution in Cathodic Protection |
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