Anchorage Performance of GFRP Headed and Bent Bars in Beam-Column Joints Subjected to Seismic Loading
Publication: Journal of Composites for Construction
Volume 22, Issue 6
Abstract
Concrete slabs, beams, and columns reinforced with glass fiber-reinforced polymer (GFRP) reinforcement have shown considerable deformability under monotonic loading; however, they have not been fully investigated under seismic loading. In efforts to understand the seismic behavior of GFRP-reinforced concrete (RC) moment-resisting frames subjected to seismic loading, this paper presents an investigation of the anchorage of GFRP bars in exterior beam-column joints. Four full-scale exterior beam-column joints were tested under cyclic reversed load simulating seismic loading conditions. Parameters tested in this study included end anchorage details of beam bars in the joint (90-degree hooks or anchor heads) and their surface texture (sand coated or mechanically deformed). Experimental results showed that all specimens successfully sustained 4.0% loading drifts and that surface texture showed an insignificant influence on the overall behavior.
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Acknowledgments
The authors wish to express their gratitude for the financial support received from the Natural Science and Engineering Research Council of Canada (NSERC) and the University of Manitoba Graduate Fellowship (UMGF). In addition, the authors would like to acknowledge the technical staff of the McQuade Heavy Structural Laboratory at the University of Manitoba. Some of the GFRP reinforcement was generously provided by Fibreline Canada Inc.
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Information & Authors
Information
Published In
Journal of Composites for Construction
Volume 22 • Issue 6 • December 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Oct 23, 2017
Accepted: Jun 4, 2018
Published online: Oct 11, 2018
Published in print: Dec 1, 2018
Discussion open until: Mar 11, 2019
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