Josep M. Torrents

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The inductive method is a non-destructive test which is capable to estimate both the fibre orientation and the fibre content in steel fibre reinforced concrete (SFRC) samples by the means of a coil and an impedance analyser. In this study, the theoretical basis of the method and the equations for assessing the content and orientation of fibres are given.(More)
The inductive method has shown to be a good method for the estimation of fiber dosage in steel-fiber-reinforced concrete. The current formulations reported a strong correlation between inductance and fiber content, as well as orientation. The objective of this paper is to study how the inductive measurements are affected by fiber properties, such as its(More)
− Conventional concrete structures are nowadays being substituted by steel fibre reinforced concrete (SFRC) in some structural applications. Then, fibre dosage and distribution is a keyword for ensuring quality control of structures. The present work analyses the possibility of an Open Ended Coaxial Probe as an element for ensuring the quality of a concrete(More)
The presence of small amounts of short conductive fibers in a composite of finite matrix conductivity results in the subdivision of the one matrix impedance arc into two separate low and high frequency arcs in the complex impedance plane. These features are attributable to a " frequency-switchable " interfacial impedance on the fiber surfaces, rendering(More)
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