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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/32071

Title: The influence of medium–high temperature on the transport properties of concrete by using accelerated chloride migration test
Authors: C.C. Yang;C.H. Liang
Contributors: NTOU:Institute of Materials Engineering
國立臺灣海洋大學:材料工程研究所
Keywords: Electrochemical techniques;Transport properties;Microporous materials
Date: 2009-04-15
Issue Date: 2012-06-15T07:16:35Z
Publisher: Materials Chemistry and Physics
Abstract: abstract:The effect of medium temperature on the transport properties of concrete was investigated. The transport properties, the non-steady-state migration coefficient and the steady-state migration coefficient, were investigated after the specimens were heated to the temperature of 95 °C. In this study the electrochemical technique was applied to accelerate chloride ion migration in concrete to estimate the breakthrough time and the chloride flux. The non-steady-state chloride migration coefficient and the steady-state chloride migration coefficient of concrete were calculated from the modified Fick’s second law based on measurements of the breakthrough time and the chloride flux. The results show that the non-steady-state migration coefficient and the steady-state migration coefficient increase by 4.6–14.6 times and by 2.3–7.1 times, respectively, when the temperature is raised from room temperature to 95 °C.
Relation: 114(2-3), pp.670–675
URI: http://ntour.ntou.edu.tw/handle/987654321/32071
Appears in Collections:[材料工程研究所] 期刊論文

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