Experimental Investigations on Seismically Damaged Nonrectangular Reinforced-Concrete Structural Walls Repaired by FRPs
Publication: Journal of Composites for Construction
Volume 20, Issue 1
Abstract
This paper presents the results of an experimental investigation on four nonrectangular reinforced-concrete (RC) wall specimens. These specimens were damaged in previous tests with associated axial and lateral load and were subsequently repaired and strengthened with fiber-reinforced polymers (FRPs). The specimens include two L-shaped specimens and two T-shaped specimens. Results highlight that most of the strength and stiffness of the original specimens were recovered by the repair process. Compared to the original specimens, the ductility of the repaired specimens did not reduce significantly. Other aspects of the repaired wall including the failure mechanisms, hysteresis responses, deformation component, and stiffness characteristics are also discussed and compared with the original specimens. The current available methods for estimating strength and stiffness of the repaired walls with externally bonded FRPs are also evaluated and discussed based on the experimental data.
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Acknowledgments
This research was made possible through the support of, and collaboration with FYFE Asia in Singapore. The significant assistance from Jeslin Quek and Bin Bin Chen of FYFE Asia are gratefully acknowledged.
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Published In
Journal of Composites for Construction
Volume 20 • Issue 1 • February 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Feb 9, 2015
Accepted: May 5, 2015
Published online: Jun 25, 2015
Discussion open until: Nov 25, 2015
Published in print: Feb 1, 2016
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