Design and Operation of a Real-Scale Electromagnetic Shielding Evaluation System for Reinforced Composite Construction Materials
Publication: Journal of Materials in Civil Engineering
Volume 30, Issue 8
Abstract
Electromagnetic noise due to undesirable interferences from electronic devices, infrastructures inherent to smart homes, buildings or cities, computer networks, or medical diagnostics has become a serious concern for the construction industry. A straightforward measuring system that allows one to determine the electromagnetic shielding of construction materials has been designed and implemented. Concrete or mortar panels containing reinforcing grids or diverse additives were fabricated and so characterized. The higher electromagnetic shielding values are obtained for panels containing over 15% metallic fibers and those reinforced with grids with a sieve area below . Depending on the type and percentage of additive or reinforcement included, frequency-dependent behaviors have been observed within the measured spectrum, which encompasses the frequency range used in modern communications systems. In addition, in order to demonstrate the capability of characterizing actual materials without any previous adaptation to the measuring technology requirements, commercial boards have been characterized as received.
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Acknowledgments
The authors would like to thank the “Junta de Comunidades de Castilla-La Mancha” for the financial support through the IDREU grant (PPII-2014-029-P).
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Journal of Materials in Civil Engineering
Volume 30 • Issue 8 • August 2018
Copyright
©2018 American Society of Civil Engineers.
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Received: Sep 28, 2017
Accepted: Jan 9, 2018
Published online: May 24, 2018
Published in print: Aug 1, 2018
Discussion open until: Oct 24, 2018
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