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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/32064

Title: Relation between the diffusion characteristic of concrete from salt ponding test and accelerated chloride migration test
Authors: C.T. Chiang;C.C. Yang
Contributors: NTOU:Institute of Materials Engineering
Keywords: Colourimetric method;Chloride profile;Ponding test;Migration test
Date: 2007-12-15
Issue Date: 2012-06-15T07:16:31Z
Publisher: Materials Chemistry and Physics
Abstract: abstract:In order to understand the relationship between the diffusion coefficient obtained from 90-day salt ponding test and the migration coefficient obtained from accelerated chloride migration test (ACMT; the electrochemical technique is applied to accelerate chloride ion migration), the transport properties of concrete obtained from those two methods are compared. The chloride profile was measured after ponding test, and the diffusion coefficient was calculated from the Fick's second law. The transport properties were calculated from the modified Fick's second law based on measurements of the penetration depth from colourimetric method after ponding test and ACMT. The experimental result shows that the diffusion coefficients obtained from ponding test correspond well with the migration coefficients. In ponding test, the diffusion coefficient obtained from the profile method and colourimetric method is linearly correlated.
Relation: 106(2-3), pp.240-246
URI: http://ntour.ntou.edu.tw/handle/987654321/32064
Appears in Collections:[材料工程研究所] 期刊論文

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