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Pro084-1

A STUDY ON THE CORRELATION BETWEEN CONCRETE ELECTRICAL RESISTIVITY AND CHLORIDE MIGRATION COEFFICIENTS



Author(s): Y. Liu and F. Presuel-Moreno
Paper category: Proceedings
Book title: Proceedings of CONSEC13 Seventh International Conference on Concrete under Severe Conditions - Environment and Loading Volume I
Editor(s): Z.J. Li, W. Sun, C.W. Miao, K.Sakai, O.E. Gjørv, N.Banthia
ISBN: 978-2-35158-124-7
e-ISBN: 978-2-35158-134-6
Publisher: RILEM Publications SARL
Publication year: 2013
Pages: 293-300
Total Pages: 961
Language : English


Abstract: In this investigation, laboratory experiments were carried out to study the correlation between electrical resistivity and non-steady-state chloride ion migration coefficients (Dnssm) of concrete. Concrete specimens from various mix designs with resistivity ranging from 4 kΩ cm to 340 kΩ cm were used. The four-point Wenner method was employed to measure concrete resistivity and NT Build 492 was used to determine chloride migration coefficients. Experimental results show that a good correlation was found between electrical resistivity and Dnssm. Based on the relationship developed from this investigation, it is confirmed that electrical resistivity could be used as an alternative method to evaluate chloride ion permeability of concrete.


Online publication : 2013
Publication type : full_text
Public price (Euros) : 0.00


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