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Effectiveness of CFRP jackets in post-earthquake and pre-earthquake retrofitting of beam-column subassemblages

  • Tsonos, Alexander G. (Aristotle University of Thessaloniki, School of Engineering)
  • 투고 : 2006.02.14
  • 심사 : 2007.04.25
  • 발행 : 2007.11.10

초록

This paper presents the findings of an experimental study to evaluate retrofit methods which address particular weaknesses that are often found in reinforced concrete structures, especially older structures, namely the lack of the required flexural and shear reinforcement within the columns and the lack of the required shear reinforcement within the joints. Thus, the use of a high-strength fiber jacket for cases of post-earthquake and pre-earthquake retrofitting of columns and beam-column joints was investigated experimentally. In this paper, the effectiveness of the two jacket styles was also compared.

키워드

참고문헌

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피인용 문헌

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  2. Seismic Behavior of Substandard RC Columns Retrofitted with Embedded Aramid Fiber Reinforced Polymer (AFRP) Reinforcement vol.7, pp.12, 2015, https://doi.org/10.3390/polym7121527
  3. Repairing of seismically damaged RC exterior beam—column connection using CFRP vol.29, pp.21, 2010, https://doi.org/10.1177/0731684410371407
  4. Retrofitting nonseismically detailed exterior beam–column joints using concrete covers together with CFRP jacket vol.63, 2014, https://doi.org/10.1016/j.conbuildmat.2014.04.019
  5. Reinforced Concrete Beams with Carbon-Fiber-Reinforced Polymer Bars-Experimental Study vol.6, pp.4, 2007, https://doi.org/10.3390/fib6040099
  6. Repair of Heavily Damaged RC Beams Failing in Shear Using U-Shaped Mortar Jackets vol.9, pp.6, 2019, https://doi.org/10.3390/buildings9060146
  7. U-Jacketing Applications of Fiber-Reinforced Polymers in Reinforced Concrete T-Beams against Shear-Tests and Design vol.8, pp.2, 2020, https://doi.org/10.3390/fib8020013
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  9. 3D RC beam–column joints retrofitted by joint enlargement using steel angles and post-tensioned bolts vol.220, pp.None, 2007, https://doi.org/10.1016/j.engstruct.2020.110975
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  11. Seismic Performance Enhancement of RC Columns Using Thin High-Strength RC Jackets and CFRP Jackets vol.9, pp.5, 2007, https://doi.org/10.3390/fib9050029
  12. Experimental investigation of grooving method in seismic retrofit of beam-column external joints without seismic details using CFRP sheets vol.34, pp.None, 2021, https://doi.org/10.1016/j.istruc.2021.10.023
  13. Full-scale experimental testing of RC beam-column joints strengthened using CFRP ropes as external reinforcement vol.250, pp.None, 2007, https://doi.org/10.1016/j.engstruct.2021.113305