Study on Non-destructive Evaluation Methods for Quality of Vertical Joints Influencing Rebar Corrosion in Patch Repaired RC Members
In this paper, non-destructive evaluation methods for the quality of vertical joints influencing rebar corrosion in patch repaired RC members were investigated. The relation between the quality of vertical joints and the generation of rebar corrosion due to salt attack was also confirmed. As a resul...
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| Veröffentlicht in: | Hi-hakai kensa 2023/10/01, Vol.72(10), pp.457-482 |
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| creator | MINAMIURA, Nami KAMADA, Toshiro HATTORI, Shinichi TERASAWA, Koki TANAKA, Yuki |
| description | In this paper, non-destructive evaluation methods for the quality of vertical joints influencing rebar corrosion in patch repaired RC members were investigated. The relation between the quality of vertical joints and the generation of rebar corrosion due to salt attack was also confirmed. As a result, the bonding status at vertical joint was evaluated effectively using the difference of impedance before and after watering the joint by applying the two-electrode method. The quality of existing concrete was reflected in spectrum intensity by applying the impact elastic wave method. Furthermore, it was found that the difference of electric resistivity between the patch repaired part and the existing concrete was effective for evaluating rebar corrosion. These methods detected the difference of qualities of vertical joints in relation to the generation of corrosion. Finally, a concept flowchart for evaluating quality of vertical joints influencing rebar corrosion in patch repaired RC members was presented. |
| doi_str_mv | 10.11396/jjsndi.72.457 |
| format | Article |
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The relation between the quality of vertical joints and the generation of rebar corrosion due to salt attack was also confirmed. As a result, the bonding status at vertical joint was evaluated effectively using the difference of impedance before and after watering the joint by applying the two-electrode method. The quality of existing concrete was reflected in spectrum intensity by applying the impact elastic wave method. Furthermore, it was found that the difference of electric resistivity between the patch repaired part and the existing concrete was effective for evaluating rebar corrosion. These methods detected the difference of qualities of vertical joints in relation to the generation of corrosion. Finally, a concept flowchart for evaluating quality of vertical joints influencing rebar corrosion in patch repaired RC members was presented.</description><identifier>ISSN: 0367-5866</identifier><identifier>DOI: 10.11396/jjsndi.72.457</identifier><language>jpn</language><publisher>Tokyo: The Japanese Society for Non-Destructive Inspection</publisher><subject>Bonded joints ; Corrosion ; Elastic waves ; Flow charts ; Impact elastic wave method ; Macrocell corrosion ; Nondestructive testing ; Patch repair ; Rebar ; Two electrode method ; Vertical joint</subject><ispartof>Journal of The Japanese Society for Non-Destructive Inspection, 2023/10/01, Vol.72(10), pp.457-482</ispartof><rights>2023 by The Japanese Society for Non-Destructive Inspection</rights><rights>Copyright Japan Science and Technology Agency 2023</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1876,27903,27904</link.rule.ids></links><search><creatorcontrib>MINAMIURA, Nami</creatorcontrib><creatorcontrib>KAMADA, Toshiro</creatorcontrib><creatorcontrib>HATTORI, Shinichi</creatorcontrib><creatorcontrib>TERASAWA, Koki</creatorcontrib><creatorcontrib>TANAKA, Yuki</creatorcontrib><title>Study on Non-destructive Evaluation Methods for Quality of Vertical Joints Influencing Rebar Corrosion in Patch Repaired RC Members</title><title>Hi-hakai kensa</title><addtitle>Journal of JSNDI</addtitle><description>In this paper, non-destructive evaluation methods for the quality of vertical joints influencing rebar corrosion in patch repaired RC members were investigated. 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Finally, a concept flowchart for evaluating quality of vertical joints influencing rebar corrosion in patch repaired RC members was presented.</description><subject>Bonded joints</subject><subject>Corrosion</subject><subject>Elastic waves</subject><subject>Flow charts</subject><subject>Impact elastic wave method</subject><subject>Macrocell corrosion</subject><subject>Nondestructive testing</subject><subject>Patch repair</subject><subject>Rebar</subject><subject>Two electrode method</subject><subject>Vertical joint</subject><issn>0367-5866</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNo9kEtvwjAQhHNopSLKtWdLPYfGcezER4ToS_RFH1fLSdbgKNjUdpA494_XiKqX3cM3O6uZJLnC2RRjwtlN13nT6mmZTwtaniWjjLAypRVjF8nEe11nGcUUc4ZHyc97GNoDsgY9W5O24IMbmqD3gBZ72Q8y6IieIGxs65GyDr0NstchXij0BS7oRvbo0WoTPHowqh_ANNqs0Qpq6dDcOmf90UIb9CpDs4lgJ7WDFq3m0Xdbg_OXybmSvYfJ3x4nn7eLj_l9uny5e5jPlmmHMWVppXBe47bJagaMlIyxQnFCC1XWdZ4xypUkTSFbUKTMKwo8KytMOfACg5KMkHFyffLdOfs9xKiis4Mz8aXIq4pXFaWcRdXspOp8kGsQO6e30h2EPIbtQZzKFWUucHacseJ_1mykE2DIL_pNesY</recordid><startdate>20231001</startdate><enddate>20231001</enddate><creator>MINAMIURA, Nami</creator><creator>KAMADA, Toshiro</creator><creator>HATTORI, Shinichi</creator><creator>TERASAWA, Koki</creator><creator>TANAKA, Yuki</creator><general>The Japanese Society for Non-Destructive Inspection</general><general>Japan Science and Technology Agency</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20231001</creationdate><title>Study on Non-destructive Evaluation Methods for Quality of Vertical Joints Influencing Rebar Corrosion in Patch Repaired RC Members</title><author>MINAMIURA, Nami ; KAMADA, Toshiro ; HATTORI, Shinichi ; TERASAWA, Koki ; TANAKA, Yuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j1156-8f12b1dc0b6e6376664f9354f7bb20659fa3c4adef37285e9078159e941efa633</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>jpn</language><creationdate>2023</creationdate><topic>Bonded joints</topic><topic>Corrosion</topic><topic>Elastic waves</topic><topic>Flow charts</topic><topic>Impact elastic wave method</topic><topic>Macrocell corrosion</topic><topic>Nondestructive testing</topic><topic>Patch repair</topic><topic>Rebar</topic><topic>Two electrode method</topic><topic>Vertical joint</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MINAMIURA, Nami</creatorcontrib><creatorcontrib>KAMADA, Toshiro</creatorcontrib><creatorcontrib>HATTORI, Shinichi</creatorcontrib><creatorcontrib>TERASAWA, Koki</creatorcontrib><creatorcontrib>TANAKA, Yuki</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Hi-hakai kensa</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MINAMIURA, Nami</au><au>KAMADA, Toshiro</au><au>HATTORI, Shinichi</au><au>TERASAWA, Koki</au><au>TANAKA, Yuki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on Non-destructive Evaluation Methods for Quality of Vertical Joints Influencing Rebar Corrosion in Patch Repaired RC Members</atitle><jtitle>Hi-hakai kensa</jtitle><addtitle>Journal of JSNDI</addtitle><date>2023-10-01</date><risdate>2023</risdate><volume>72</volume><issue>10</issue><spage>457</spage><epage>482</epage><pages>457-482</pages><issn>0367-5866</issn><abstract>In this paper, non-destructive evaluation methods for the quality of vertical joints influencing rebar corrosion in patch repaired RC members were investigated. The relation between the quality of vertical joints and the generation of rebar corrosion due to salt attack was also confirmed. As a result, the bonding status at vertical joint was evaluated effectively using the difference of impedance before and after watering the joint by applying the two-electrode method. The quality of existing concrete was reflected in spectrum intensity by applying the impact elastic wave method. Furthermore, it was found that the difference of electric resistivity between the patch repaired part and the existing concrete was effective for evaluating rebar corrosion. These methods detected the difference of qualities of vertical joints in relation to the generation of corrosion. 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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | Bonded joints Corrosion Elastic waves Flow charts Impact elastic wave method Macrocell corrosion Nondestructive testing Patch repair Rebar Two electrode method Vertical joint |
| title | Study on Non-destructive Evaluation Methods for Quality of Vertical Joints Influencing Rebar Corrosion in Patch Repaired RC Members |
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