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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50791

Title: Effect of the percolated interfacial transition zone on the chloride migration coefficient of cement-based materials
Authors: C.C.Yang
Contributors: 國立臺灣海洋大學:材料工程研究所
Keywords: Cement-based materials
Chloride migration coefficient
ITZ
Date: 2005-01
Issue Date: 2018-10-23T08:49:10Z
Publisher: Materials Chemistry and Physics
Abstract: Abstract: In this study, the chloride migration coefficient of cement-based materials was obtained by using the accelerated chloride migration test (ACMT) and measured as a function of volume fraction of aggregate and the total lateral surface area of aggregate. In order to study the effect of the increased migration coefficient on the ITZ and the decreased migration coefficient in the matrix as aggregate is added, two series of experiments (fixed volume fraction with varying total lateral surface area of aggregate, and fixed total lateral surface area varying volume fraction of aggregate) were performed in this study. A model considering the specimen as a three-phase composite (matrix, aggregate, and percolated ITZ) is used to determine the approximate chloride migration of the percolated ITZ and the inference of the matrix phase of mortar, as the rod-shaped aggregate is added. Based on the experimental and regression analytical results, the approximate percolated ITZ migration coefficient is 91, 97, and 109 times that of the matrix for the w/c ratio of 0.35, 0.45, and 0.55, respectively.
Relation: 91(2-3) pp.538-544
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50791
Appears in Collections:[材料工程研究所] 期刊論文

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