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Determining the chloride migration rate in cement-based materials from the accelerated chloride migration test

Yang, Chung-Chia

This paper presents a new method for measuring the chloride migration rate in cement-based materials from the accelerated chloride migration test. In steady state, a good correlation was observed between the Chloride concentration in anode cell and charge passed. Also, the average current that calculated from the slop of Q -time curve in the steady state condition correlates linearly with the chloride migration rate. Therefore, the chloride migration rate can be determined from the slop of the linear portion of Q-time curve to avoid the sampling and analyzing chlorides during the accelerated chloride migration test.

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Determining the chloride migration rate in cement-based materials from the accelerated chloride migration test

Yang, Chung-Chia

This paper presents a new method for measuring the chloride migration rate in cement-based materials from the accelerated chloride migration test. In steady state, a good correlation was observed between the Chloride concentration in anode cell and charge passed. Also, the average current that calculated from the slop of Q -time curve in the steady state condition correlates linearly with the chloride migration rate. Therefore, the chloride migration rate can be determined from the slop of the linear portion of Q-time curve to avoid the sampling and analyzing chlorides during the accelerated chloride migration test.

Determining the chloride migration rate in cement-based materials from the accelerated chloride migration test

Yang, Chung-Chia

This paper presents a new method for measuring the chloride migration rate in cement-based materials from the accelerated chloride migration test. In steady state, a good correlation was observed between the Chloride concentration in anode cell and charge passed. Also, the average current that calculated from the slop of Q -time curve in the steady state condition correlates linearly with the chloride migration rate. Therefore, the chloride migration rate can be determined from the slop of the linear portion of Q-time curve to avoid the sampling and analyzing chlorides during the accelerated chloride migration test.

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Title:

Determining the chloride migration rate in cement-based materials from the accelerated chloride migration test

Contributors:

Yang, Chung-Chia (author)

Published in:

ICACS, Advances in Concrete and Structures, International Conference, 2003 ; 55-62

RILEM Proceedings: PRO ; 32

Publication date:

2003

Size:

8 Seiten, 4 Bilder, 3 Tabellen, 5 Quellen

ISBN:

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Chloridkorrosion , Eindringprüfung (Materialprüfung) , Migrationszeit , Zement , Mörtel , zerstörungsfreie Prüfung , Verfahrensausführung , Verfahrensbedingung , Verfahrenseignung , elektrisches Messverfahren , Schnelltest

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