Shear-Reinforcing Effect of Continuous Fiber Rope on Reinforced Concrete Beams
Publication: Journal of Materials in Civil Engineering
Volume 27, Issue 7
Abstract
Continuous fiber rope (CF rope) made of aramid fiber or vinylon fiber has been developed to apply for the reinforcement of concrete members and structures. It is characterized by a light weight, high tensile strength, and excellent durability compared with reinforcing steel bar. It has also good transportability, and it is flexible to be easily arranged at the construction site. The purpose of this study is to investigate the shear-reinforcing effect of CF rope. First, the reinforced concrete (RC) beams without shear reinforcement were tested. Then, the RC beams wound with CF rope at shear span were tested. Moreover, the shear-reinforcing effect of CF rope on the RC beams that were predamaged in shear assuming seismic retrofitting was also investigated. Through the test results, we confirmed that CF rope was effective for the RC beams without shear reinforcement and the predamaged RC beams in shear.
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Acknowledgments
We express a deep gratitude to Mr. Miyake, T., Unitika Ltd. for providing us with vinylon fiber rope.
References
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Sekijima, K., and Izumo, J. (2008). “Evaluation of properties of continuous fibre rope.” 5th Int. Conf. on Advanced Composite Materials in Bridges and Structures (ACMBS-V) (CD-ROM), ISIS Canada Network of Centres of Excellence.
Sekijima, K., Kawakami, K., and Izumo, J. (2009). “Tensile properties of continuous fiber rope.” 4th Int. Conf. on Construction Materials: Performance, Innovations and Structural Implications (ConMat’09) (CD-ROM), Japan Concrete Institute (JCI), Japan Society of Civil Engineers (JSCE), Canadian Society for Civil Engineering (CSCE).
Sekijima, K., Kawakami, K., and Izumo, J. (2012). “Bond properties between continuous fiber rope and concrete.” 3rd Asia-Pacific Conf. on FRP Structures (APFIS2012) (CD-ROM), International Institute for FRP in Construction, Asia-Pacific Region.
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Published In
Journal of Materials in Civil Engineering
Volume 27 • Issue 7 • July 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Sep 13, 2013
Accepted: Apr 3, 2014
Published online: Jul 16, 2014
Discussion open until: Dec 16, 2014
Published in print: Jul 1, 2015
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