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Smart Structures and Systems Volume 7, Number 5, May 2011 , pages 329-348 DOI: https://doi.org/10.12989/sss.2011.7.5.329 |
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Seismic behaviour of repaired superelastic shape memory alloy reinforced concrete beam-column joint |
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Moncef Nehdi, M. Shahria Alam and Maged A. Youssef
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| Abstract | ||
| Large-scale earthquakes pose serious threats to infrastructure causing substantial damage and large residual deformations. Superelastic (SE) Shape-Memory-Alloys (SMAs) are unique alloys with the ability to undergo large deformations, but can recover its original shape upon stress removal. The purpose of this research is to exploit this characteristic of SMAs such that concrete Beam-Column Joints (BCJs) reinforced with SMA bars at the plastic hinge region experience reduced residual deformation at the end of earthquakes. Another objective is to evaluate the seismic performance of SMA Reinforced Concrete BCJs repaired with flowable Structural-Repair-Concrete (SRC). A | ||
| Key Words | ||
| beam-column joint; seismic; shape memory alloy; superelasticity; plastic hinge; repair; reversedcyclic loading. | ||
| Address | ||
| Moncef Nehdi and Maged A. Youssef: Department of Civil and Environmental Engineering, The University of Western Ontario,London, ON Canada, N6A 5B9 M. Shahria Alam : School of Engineering, The University of British Columbia, Kelowna, BC Canada, V1V1V7 | ||