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Title: Using Electrical Current to Determine the Non-Steady-State Migration Coefficient from Accelerated Chloride Migration Test
Authors: Shih-Che Chiang;Chung-Chia Yang
Contributors: 國立臺灣海洋大學:材料工程研究所
Keywords: ACMT;migration coefficient;electrical current
Date: 2008
Issue Date: 2012-06-15T07:16:30Z
Publisher: Journal of the Chinese institute of engineers
Abstract: abstract:In this study, the migration coefficient of concrete was measured by the accelerated chloride migration test (ACMT). Concrete specimens (100 mm diameter and 200 mm height) made with different w/c (ranging from 0.3 to 0.65) were used. The steady-state migration coefficient was obtained by the chloride flux in the anode cell, and the non-steady-state migration coefficients were obtained by both the chloride concentration and the electrical current methods. The migration coefficients from steady-state migration, non-steady-state migration, and electrical current measurements were compared. Good correlations between all these migration coefficients were obtained. In order to avoid sampling and analyzing chlorides during the test, the new method for determining the non-steady-state migration coefficient in concrete by measuring the electrical current can be used in the ACMT method.
Relation: 31(2), pp.189-197
Appears in Collections:[Institute of Materials Engineering] Periodical Articles

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