Tests on seismically damaged reinforced concrete structural walls repaired using fiber reinforced polymers
This paper presents the results of an experimental study on the seismic performance of axially loaded reinforced concrete RC walls with boundary elements confined by limited transverse reinforcement. These specimens were initially subjected to axial compression loadin...
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| Main Authors: | , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2012
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/91063 http://hdl.handle.net/10220/8363 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | This paper presents the results of an experimental study on the seismic performance of axially loaded reinforced concrete RC
walls with boundary elements confined by limited transverse reinforcement. These specimens were initially subjected to axial compression
loading and cyclic lateral loading to failure, and subsequently repaired and subjected to loading again. The test specimens include two
low-rise walls of aspect ratio 1.125 and two medium-rise walls of aspect ratio 1.625. Results show that significant drift capacities were
achieved from the strengthened walls. The performance of the repaired walls was similar to the original walls before repair in terms of the
flexural behavior, shear strength, and ductility capacities. While the fiber-reinforced polymer FRP anchorage may undergo premature
failure, it however failed only after the peak lateral strength of the repaired wall was attained. This paper demonstrates that repair of
damaged RC walls using FRP is able to restore the performance of damaged RC walls while also serving as repair method of relative ease. |
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