Diffusion Decay Coefficient for Chloride Ions of Concrete Containing Mineral Admixtures
The diffusion coefficient for chloride ions and the diffusion decay coefficient for chloride ions are essential variables for a service life evaluation of concrete structures. They are influenced by water-binder ratio, exposure condition, curing temperature, cement type, and the type and use of mine...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2016-01-01
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| Series: | Advances in Materials Science and Engineering |
| Online Access: | http://dx.doi.org/10.1155/2016/2042918 |
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| author | Jae-Im Park Kwang-Myong Lee Soon-Oh Kwon Su-Ho Bae Sang-Hwa Jung Sung-Won Yoo |
| author_facet | Jae-Im Park Kwang-Myong Lee Soon-Oh Kwon Su-Ho Bae Sang-Hwa Jung Sung-Won Yoo |
| author_sort | Jae-Im Park |
| collection | DOAJ |
| description | The diffusion coefficient for chloride ions and the diffusion decay coefficient for chloride ions are essential variables for a service life evaluation of concrete structures. They are influenced by water-binder ratio, exposure condition, curing temperature, cement type, and the type and use of mineral admixture. Mineral admixtures such as ground granulated blast furnace slag, fly ash, and silica fume have been increasingly used to improve resistance against chloride ions penetration in concrete structures built in an offshore environment. However, there is not enough measured data to identify the statistical properties of diffusion decay coefficient for chloride ions in concrete using mineral admixtures. This paper is aimed at evaluating the diffusion decay coefficient for chloride ions of concrete using ordinary Portland cement or blended cement. NT BUILD 492 method, an electrophoresis experiment, was used to measure the diffusion coefficient for chloride ions with ages. It was revealed from the test results that the diffusion decay coefficient for chloride ions was significantly influenced by W/B and the replacement ratio of mineral admixtures. |
| format | Article |
| id | doaj-art-53d3713ba58d4be1a3e96163545e9162 |
| institution | OA Journals |
| issn | 1687-8434 1687-8442 |
| language | English |
| publishDate | 2016-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Materials Science and Engineering |
| spelling | doaj-art-53d3713ba58d4be1a3e96163545e91622025-08-20T02:05:25ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422016-01-01201610.1155/2016/20429182042918Diffusion Decay Coefficient for Chloride Ions of Concrete Containing Mineral AdmixturesJae-Im Park0Kwang-Myong Lee1Soon-Oh Kwon2Su-Ho Bae3Sang-Hwa Jung4Sung-Won Yoo5Metropolitan Transit System Research Division, Korea Railroad Research Institute, Uiwang 16105, Republic of KoreaDepartment of Civil and Environmental Engineering, Sungkyunkwan University, Suwon 16419, Republic of KoreaDepartment of Civil Engineering, Andong National University, Andong 36729, Republic of KoreaDepartment of Civil Engineering, Andong National University, Andong 36729, Republic of KoreaDepartment of Preceding Research, Korea Conformity Laboratories, Seoul 08503, Republic of KoreaDepartment of Civil and Environmental Engineering, Woosuk University, Jincheon 27841, Republic of KoreaThe diffusion coefficient for chloride ions and the diffusion decay coefficient for chloride ions are essential variables for a service life evaluation of concrete structures. They are influenced by water-binder ratio, exposure condition, curing temperature, cement type, and the type and use of mineral admixture. Mineral admixtures such as ground granulated blast furnace slag, fly ash, and silica fume have been increasingly used to improve resistance against chloride ions penetration in concrete structures built in an offshore environment. However, there is not enough measured data to identify the statistical properties of diffusion decay coefficient for chloride ions in concrete using mineral admixtures. This paper is aimed at evaluating the diffusion decay coefficient for chloride ions of concrete using ordinary Portland cement or blended cement. NT BUILD 492 method, an electrophoresis experiment, was used to measure the diffusion coefficient for chloride ions with ages. It was revealed from the test results that the diffusion decay coefficient for chloride ions was significantly influenced by W/B and the replacement ratio of mineral admixtures.http://dx.doi.org/10.1155/2016/2042918 |
| spellingShingle | Jae-Im Park Kwang-Myong Lee Soon-Oh Kwon Su-Ho Bae Sang-Hwa Jung Sung-Won Yoo Diffusion Decay Coefficient for Chloride Ions of Concrete Containing Mineral Admixtures Advances in Materials Science and Engineering |
| title | Diffusion Decay Coefficient for Chloride Ions of Concrete Containing Mineral Admixtures |
| title_full | Diffusion Decay Coefficient for Chloride Ions of Concrete Containing Mineral Admixtures |
| title_fullStr | Diffusion Decay Coefficient for Chloride Ions of Concrete Containing Mineral Admixtures |
| title_full_unstemmed | Diffusion Decay Coefficient for Chloride Ions of Concrete Containing Mineral Admixtures |
| title_short | Diffusion Decay Coefficient for Chloride Ions of Concrete Containing Mineral Admixtures |
| title_sort | diffusion decay coefficient for chloride ions of concrete containing mineral admixtures |
| url | http://dx.doi.org/10.1155/2016/2042918 |
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