Mechanical Properties of High-Performance Concrete with Steel Fibers Oriented by an Electromagnetic Field
Publication: Journal of Materials in Civil Engineering
Volume 34, Issue 9
Abstract
In order to achieve better efficiency of dispersed fiber reinforcement in cementitious composites, manufacturers need to be able to directly control the fiber orientation. The magnetic orientation of fibers is an effective way to align fibers in the desired direction of the main tensile stresses and significantly improve the load-bearing capacity of the composite material. In this study, cementitious composites with different percentages of fiber reinforcement were subjected to the magnetic fiber-orienting process and their resulting mechanical parameters were examined. Also, a nondestructive method was used to evaluate the fiber orientation and volume. The flexural strengths and the capacity to dissipate mechanical energy were improved considerably compared to the reference nonoriented specimens. The nondestructive method was also reasonably accurate to predict these results.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
The authors gratefully acknowledge the financial support of the Czech Science Foundation (Grant GA20-00624S). The authors also acknowledge the assistance of the students and technical staff at the Experimental Centre of the Czech Technical University in Prague and those who participated in the internal Project SGS21/055/OHK1/1T/11.
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Published In
Journal of Materials in Civil Engineering
Volume 34 • Issue 9 • September 2022
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Sep 9, 2021
Accepted: Dec 22, 2021
Published online: Jun 16, 2022
Published in print: Sep 1, 2022
Discussion open until: Nov 16, 2022
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