Service Life Estimation of Reinforced Concrete Structures Made Using Cr-bearing Rebars in Microcell Corrosion Environments
Reinforced concrete structures made using Cr-bearing rebars subject to microcell corrosion were assumed with the aim of developing Cr-bearing rebars having the required corrosion resistance in microcell corrosion environments. Their service lives were then estimated for each type of corrosion enviro...
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| Veröffentlicht in: | ISIJ International 2007, Vol.47(9), pp.1315-1323 |
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| container_title | ISIJ International |
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| creator | Tae, Sung-Ho Kyung, Je-Woon Ujiro, Takumi Shin, Sung-Woo |
| description | Reinforced concrete structures made using Cr-bearing rebars subject to microcell corrosion were assumed with the aim of developing Cr-bearing rebars having the required corrosion resistance in microcell corrosion environments. Their service lives were then estimated for each type of corrosion environment based on a microcell corrosion rate model, and requirements for Cr-bearing rebars to achieve a service life of over 100 years were calculated. As a result, the service lives of concrete structures reinforced with Cr-bearing rebars were found to increase as the Cr content increased in all types of corrosion environments. Also, Cr-bearing rebars with Cr contents of not less than 11% and not less than 7% ensured service lives of over 100 years in harsh and moderate chloride attack zones, respectively. In carbonation zones, a Cr content of not less than 3% was proven to provide corrosion resistance for over 100 years. |
| doi_str_mv | 10.2355/isijinternational.47.1315 |
| format | Article |
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Their service lives were then estimated for each type of corrosion environment based on a microcell corrosion rate model, and requirements for Cr-bearing rebars to achieve a service life of over 100 years were calculated. As a result, the service lives of concrete structures reinforced with Cr-bearing rebars were found to increase as the Cr content increased in all types of corrosion environments. Also, Cr-bearing rebars with Cr contents of not less than 11% and not less than 7% ensured service lives of over 100 years in harsh and moderate chloride attack zones, respectively. In carbonation zones, a Cr content of not less than 3% was proven to provide corrosion resistance for over 100 years.</description><identifier>ISSN: 0915-1559</identifier><identifier>EISSN: 1347-5460</identifier><identifier>DOI: 10.2355/isijinternational.47.1315</identifier><language>eng</language><publisher>Tokyo: The Iron and Steel Institute of Japan</publisher><subject>Applied sciences ; Corrosion ; Corrosion environments ; Cr-bearing rebar ; Exact sciences and technology ; Metals. 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Metallurgy</subject><subject>microcell corrosion</subject><subject>service life estimation</subject><issn>0915-1559</issn><issn>1347-5460</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNptkE1v1DAQhi0EEqu2_8Ec4JbFn0l8RKvlQ9qC1NKz5XUmxVXWLjPeSvDrSbpVOcDF48Mz7zt6GHsjxVppa98nSncpV8Acaio5TGvTraWW9gVbSW26xppWvGQr4aRtpLXuNbsgSnshlOmNlnrFfl8DPqQIfJdG4Fuq6fCYxcvIryDlsWCEgW9KjggV-HXFY6xHBOKXYQB-Qynf8g02ewi4fK9gH5B4yvwyRSwRpmneRiy0pG7zQ8KSD5ArnbNXY5gILp7mGbv5uP2--dzsvn36svmwa2JrdG2sc84OrpdGdKFt7b4N2ioNQrZqdLGzRrUqdELbXkBs5QAzYXtQNoSuHzp9xt6dcu-x_DwCVX9ItNwVMpQjeS1cP7vpZ9CdwPluIoTR3-OsA395Kfwi3P8j3JvOL8Ln3bdPJYFimEYMOSb6G-CUUNKamft64u6ohlt4BgLWFCf4f4M7PUvRMxh_BPSQ9R_iCqWO</recordid><startdate>2007</startdate><enddate>2007</enddate><creator>Tae, Sung-Ho</creator><creator>Kyung, Je-Woon</creator><creator>Ujiro, Takumi</creator><creator>Shin, Sung-Woo</creator><general>The Iron and Steel Institute of Japan</general><general>Iron and Steel Institute of Japan</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SE</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>2007</creationdate><title>Service Life Estimation of Reinforced Concrete Structures Made Using Cr-bearing Rebars in Microcell Corrosion Environments</title><author>Tae, Sung-Ho ; Kyung, Je-Woon ; Ujiro, Takumi ; Shin, Sung-Woo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c643t-59995d981407a665b6a3523e0162f9c754262a703580ec61deb6a58e25aa78d73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>Corrosion</topic><topic>Corrosion environments</topic><topic>Cr-bearing rebar</topic><topic>Exact sciences and technology</topic><topic>Metals. Metallurgy</topic><topic>microcell corrosion</topic><topic>service life estimation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tae, Sung-Ho</creatorcontrib><creatorcontrib>Kyung, Je-Woon</creatorcontrib><creatorcontrib>Ujiro, Takumi</creatorcontrib><creatorcontrib>Shin, Sung-Woo</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Corrosion Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>ISIJ International</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tae, Sung-Ho</au><au>Kyung, Je-Woon</au><au>Ujiro, Takumi</au><au>Shin, Sung-Woo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Service Life Estimation of Reinforced Concrete Structures Made Using Cr-bearing Rebars in Microcell Corrosion Environments</atitle><jtitle>ISIJ International</jtitle><addtitle>ISIJ Int.</addtitle><date>2007</date><risdate>2007</risdate><volume>47</volume><issue>9</issue><spage>1315</spage><epage>1323</epage><pages>1315-1323</pages><issn>0915-1559</issn><eissn>1347-5460</eissn><abstract>Reinforced concrete structures made using Cr-bearing rebars subject to microcell corrosion were assumed with the aim of developing Cr-bearing rebars having the required corrosion resistance in microcell corrosion environments. Their service lives were then estimated for each type of corrosion environment based on a microcell corrosion rate model, and requirements for Cr-bearing rebars to achieve a service life of over 100 years were calculated. As a result, the service lives of concrete structures reinforced with Cr-bearing rebars were found to increase as the Cr content increased in all types of corrosion environments. Also, Cr-bearing rebars with Cr contents of not less than 11% and not less than 7% ensured service lives of over 100 years in harsh and moderate chloride attack zones, respectively. In carbonation zones, a Cr content of not less than 3% was proven to provide corrosion resistance for over 100 years.</abstract><cop>Tokyo</cop><pub>The Iron and Steel Institute of Japan</pub><doi>10.2355/isijinternational.47.1315</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | ISIJ International, 2007, Vol.47(9), pp.1315-1323 |
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| language | eng |
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| source | J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry |
| subjects | Applied sciences Corrosion Corrosion environments Cr-bearing rebar Exact sciences and technology Metals. Metallurgy microcell corrosion service life estimation |
| title | Service Life Estimation of Reinforced Concrete Structures Made Using Cr-bearing Rebars in Microcell Corrosion Environments |
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