Experimental Investigation on the Impact Performance of Concrete-Filled FRP Steel Tubes
Publication: Journal of Engineering Mechanics
Volume 141, Issue 2
Abstract
The dynamic response of concrete-filled fiber-reinforced polymer (FRP) steel tubes under impact loading was investigated in this study. Eleven column specimens with the same cross-sectional area but different lengths were tested on a drop-weight system. These specimens included eight concrete-filled carbon-FRP steel tubes, two concrete-filled glass-FRP steel tubes, and one concrete-filled steel tube as a baseline material. The time-history curves of impact force, acceleration, deflection, and strain were recorded. Experimental results showed that the improvement of FRP on the impact resistance of concrete-filled steel tubes is remarkable, especially for glass-FRP steel tubes.
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Acknowledgments
This work is supported by National Natural Science Foundation of China through grant No. 3132014326. The authors express their thanks for the Fundamental Research Funds for the Central Universities (grant No. 3132013315). The authors also thank the Chinese Scholarship Council.
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Information
Published In
Journal of Engineering Mechanics
Volume 141 • Issue 2 • February 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Apr 10, 2014
Accepted: Jun 4, 2014
Published online: Jun 25, 2014
Published in print: Feb 1, 2015
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