Non-destructive measurement of chloride ions concentration in concrete – A comparative analysis of limitations and prospects

Review (2018)

Authors

Yawar Abbas University of Twente
F. Pargar Materials and Environment - CEG
D.A. Koleva Materials and Environment - CEG
K. van Breugel Materials and Environment - CEG
Wouter Olthuis University of Twente
A van den Berg University of Twente
Research Group
Materials and Environment (CEG) (TU Delft)
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Published Date

20-06-2018

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Materials- Mechanics- Management & Design

Research Group

Materials and Environment

Abstract

In this work, the different techniques for non-destructive in situ measurement of chloride ion concentration are presented. Non-destructive (ND) in situ measurement is crucial for reliable and continuous determination of chloride ion concentration in concrete. Over the last 20 years, several studies have been performed on ND measurements. These were mainly focused on the application of electrochemical and electromagnetic techniques. Each technique has its advantages and disadvantages. Depending on the requirement of assets managers and constructors and considering the limitations, these techniques can be well applied. The main concepts and comparative analysis, in view of possibilities and limitations, of these non-destructive techniques are presented in this paper.

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