High-Performance Fiber-Reinforced Concrete: Development and Evaluation as a Repairing Material
Publication: Journal of Materials in Civil Engineering
Volume 26, Issue 10
Abstract
This paper describes the development of high-performance fiber-reinforced concrete (HPFRC) with very high strength and the feasibility of using this concrete as a repairing material. Initially two HPFRC mixtures were developed and cured using four different curing conditions. Compressive strength and flexural strength were determined for those eight combinations. Compared to high-performance fiber-reinforced cement composites (HPFRCC), the increase in compressive strength was in the range of 25–105%. Flexural strength was found to be similar to that of HPFRCC. Based on these strength results, one mixture proportion and two curing conditions were further selected for three bond tests, i.e., direct shear, slant shear, and pull-off. The results showed comparable bond strength in case of direct shear, 20% increase in slant shear, and 40% increase in pull-off when compared with other similar studies.
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Acknowledgments
The work was performed at West Virginia University, Morgantown, WV. We wish to express our gratitude to the West Virginia EPSCoR for providing financial support. Material donations by Armstrong Cement and Supply, Arrow Concrete (WV), BASF Construction Chemicals, Bekaert, Ricci Brothers Sand Co. Inc., and US Silica Company (WV) are gratefully acknowledged. Testing facilities provided by Dr. David B. DeVallance and Dr. Brijes Mishra and his students (Mr. Diachao Nie and Mr. Priyesh Verma) of West Virginia University are highly appreciated.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 26 • Issue 10 • October 2014
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Aug 29, 2013
Accepted: Nov 11, 2013
Published online: Nov 13, 2013
Published in print: Oct 1, 2014
Discussion open until: Oct 27, 2014
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