Service Life Estimation of Concrete Structures Reinforced with Cr-bearing Rebars under Macrocell Corrosion Conditions Induced by Cracking in Cover Concrete
Cracked concrete members reinforced with Cr-bearing rebars were assumed for the purpose of developing Cr-bearing rebars having the required corrosion resistance in macrocell corrosion environments induced by cracking in cover concrete. The service life of concrete structures reinforced with Cr-beari...
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| Veröffentlicht in: | ISIJ International 2007, Vol.47(6), pp.875-882 |
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| container_title | ISIJ International |
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| creator | Tae, Sung-Ho Kyung, Je-Woon Ujiro, Takumi |
| description | Cracked concrete members reinforced with Cr-bearing rebars were assumed for the purpose of developing Cr-bearing rebars having the required corrosion resistance in macrocell corrosion environments induced by cracking in cover concrete. The service life of concrete structures reinforced with Cr-bearing rebars was then estimated based on a macrocell corrosion rate model, and their Cr content to achieve a service life of 100 years was calculated. As a result, the service life of concrete reinforced with Cr-bearing rebars was found to increase as their Cr content increased regardless of the corrosive environment type. The calculation also revealed that Cr contents of 16% or more and 13% or more would lead to a service life of over 100 years in harsh and moderate chloride attack zones, respectively. In a carbonation zone, the Cr content to achieve a service life of over 100 years was calculated to be 9% or more. |
| doi_str_mv | 10.2355/isijinternational.47.875 |
| format | Article |
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The service life of concrete structures reinforced with Cr-bearing rebars was then estimated based on a macrocell corrosion rate model, and their Cr content to achieve a service life of 100 years was calculated. As a result, the service life of concrete reinforced with Cr-bearing rebars was found to increase as their Cr content increased regardless of the corrosive environment type. The calculation also revealed that Cr contents of 16% or more and 13% or more would lead to a service life of over 100 years in harsh and moderate chloride attack zones, respectively. In a carbonation zone, the Cr content to achieve a service life of over 100 years was calculated to be 9% or more.</description><identifier>ISSN: 0915-1559</identifier><identifier>EISSN: 1347-5460</identifier><identifier>DOI: 10.2355/isijinternational.47.875</identifier><language>eng</language><publisher>Tokyo: The Iron and Steel Institute of Japan</publisher><subject>Applied sciences ; Corrosion ; Corrosion environments ; Cr-bearing rebar ; crack ; Exact sciences and technology ; macrocell corrosion ; Metals. Metallurgy ; service life estimation</subject><ispartof>ISIJ International, 2007, Vol.47(6), pp.875-882</ispartof><rights>2007 by The Iron and Steel Institute of Japan</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c506t-c08bddc1080e2f7a3f47cd0aa6abb64c7aba2b82c57066f8cab79fa9c20b3553</citedby><cites>FETCH-LOGICAL-c506t-c08bddc1080e2f7a3f47cd0aa6abb64c7aba2b82c57066f8cab79fa9c20b3553</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18969204$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tae, Sung-Ho</creatorcontrib><creatorcontrib>Kyung, Je-Woon</creatorcontrib><creatorcontrib>Ujiro, Takumi</creatorcontrib><title>Service Life Estimation of Concrete Structures Reinforced with Cr-bearing Rebars under Macrocell Corrosion Conditions Induced by Cracking in Cover Concrete</title><title>ISIJ International</title><addtitle>ISIJ Int.</addtitle><description>Cracked concrete members reinforced with Cr-bearing rebars were assumed for the purpose of developing Cr-bearing rebars having the required corrosion resistance in macrocell corrosion environments induced by cracking in cover concrete. The service life of concrete structures reinforced with Cr-bearing rebars was then estimated based on a macrocell corrosion rate model, and their Cr content to achieve a service life of 100 years was calculated. As a result, the service life of concrete reinforced with Cr-bearing rebars was found to increase as their Cr content increased regardless of the corrosive environment type. The calculation also revealed that Cr contents of 16% or more and 13% or more would lead to a service life of over 100 years in harsh and moderate chloride attack zones, respectively. In a carbonation zone, the Cr content to achieve a service life of over 100 years was calculated to be 9% or more.</description><subject>Applied sciences</subject><subject>Corrosion</subject><subject>Corrosion environments</subject><subject>Cr-bearing rebar</subject><subject>crack</subject><subject>Exact sciences and technology</subject><subject>macrocell corrosion</subject><subject>Metals. Metallurgy</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>eNptkc1O3TAQRi3USr2ivIM37S63zq-TZXVFW6SLKhX21ngyBkNw6Nih4ln6snW4QBftxln4fOdzZoSQpdpWddt-8tHf-JCIAyQ_B5i2jd72uj0Sm7JudNE2nXojNmoo26Js2-GdOInRW6Wqpm_qst6I3xfEDx5J7r0jeRqTv3tSydnJ3RyQKZG8SLxgWpii_EE-uJmRRvnLp2u548ISsA9X-coCR7mEkVieA_KMNE3ZwjzHVZl9o1_lUZ6FcVkd9jEbAG_XvF-Jh5x96X0v3jqYIp08f4_F5ZfTy923Yv_969nu877AVnWpQNXbccRS9Yoqp6F2jcZRAXRgbdegBguV7Ststeo61yNYPTgYsFI2D7E-Fh8P2nuefy4Uk7nzcX06BJqXaGqldJ7YCvYHMP9ajEzO3HMeFz-aUpl1H-affZhGm7yPHP3w3AERYXIMAX38m--HbqhUk7nzA3cTE1zRKwCcPE70_4LucOSeVw6vgQ2F-g9OzLL1</recordid><startdate>2007</startdate><enddate>2007</enddate><creator>Tae, Sung-Ho</creator><creator>Kyung, Je-Woon</creator><creator>Ujiro, Takumi</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 Concrete Structures Reinforced with Cr-bearing Rebars under Macrocell Corrosion Conditions Induced by Cracking in Cover Concrete</title><author>Tae, Sung-Ho ; Kyung, Je-Woon ; Ujiro, Takumi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c506t-c08bddc1080e2f7a3f47cd0aa6abb64c7aba2b82c57066f8cab79fa9c20b3553</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>crack</topic><topic>Exact sciences and technology</topic><topic>macrocell corrosion</topic><topic>Metals. Metallurgy</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><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><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Service Life Estimation of Concrete Structures Reinforced with Cr-bearing Rebars under Macrocell Corrosion Conditions Induced by Cracking in Cover Concrete</atitle><jtitle>ISIJ International</jtitle><addtitle>ISIJ Int.</addtitle><date>2007</date><risdate>2007</risdate><volume>47</volume><issue>6</issue><spage>875</spage><epage>882</epage><pages>875-882</pages><issn>0915-1559</issn><eissn>1347-5460</eissn><abstract>Cracked concrete members reinforced with Cr-bearing rebars were assumed for the purpose of developing Cr-bearing rebars having the required corrosion resistance in macrocell corrosion environments induced by cracking in cover concrete. The service life of concrete structures reinforced with Cr-bearing rebars was then estimated based on a macrocell corrosion rate model, and their Cr content to achieve a service life of 100 years was calculated. As a result, the service life of concrete reinforced with Cr-bearing rebars was found to increase as their Cr content increased regardless of the corrosive environment type. The calculation also revealed that Cr contents of 16% or more and 13% or more would lead to a service life of over 100 years in harsh and moderate chloride attack zones, respectively. In a carbonation zone, the Cr content to achieve a service life of over 100 years was calculated to be 9% or more.</abstract><cop>Tokyo</cop><pub>The Iron and Steel Institute of Japan</pub><doi>10.2355/isijinternational.47.875</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | ISIJ International, 2007, Vol.47(6), pp.875-882 |
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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 crack Exact sciences and technology macrocell corrosion Metals. Metallurgy service life estimation |
| title | Service Life Estimation of Concrete Structures Reinforced with Cr-bearing Rebars under Macrocell Corrosion Conditions Induced by Cracking in Cover Concrete |
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