Sensors 2013, 13(1), 1300-1318; doi:10.3390/s130101300
Low Frequency Electrical and Magnetic Methods for Non-Destructive Analysis of Fiber Dispersion in Fiber Reinforced Cementitious Composites: An Overview
1
Department of Electrical Engineering, Politecnico di Milano, piazza L. da Vinci 32, 20133 Milan, Italy
2
Department of Civil and Environmental Engineering, Politecnico di Milano, piazza L. da Vinci 32, 20133 Milan, Italy
*
Author to whom correspondence should be addressed.
Received: 22 October 2012 / Revised: 16 January 2013 / Accepted: 19 January 2013 / Published: 21 January 2013
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Italy 2012)
Abstract
Non-destructive analysis of fiber dispersion in structural elements made of Fiber Reinforced Concrete (FRC) and Fiber Reinforced Cementitious Composites (FRCCs) plays a significant role in the framework of quality control and performance prediction. In this paper, the research activity of the authors in the aforementioned field all over the last lustrum will be reviewed. A method based on the measurement of the inductance of a probe to be placed on the specimen will be presented and its progressive development will be described. Obtained correlation with actual fiber dispersion, as checked by means of destructive methods, as well as with the mechanical performance of the composite will also be presented, in an attempt to address the significance of the method from an engineering application perspective. View Full-TextKeywords:
non-destructive monitoring; FRC; FRCCs; magnetic inductance; fiber dispersion; mechanical performance
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MDPI and ACS Style
Faifer, M.; Ferrara, L.; Ottoboni, R.; Toscani, S. Low Frequency Electrical and Magnetic Methods for Non-Destructive Analysis of Fiber Dispersion in Fiber Reinforced Cementitious Composites: An Overview. Sensors 2013, 13, 1300-1318.