Smart Structures and Systems

  • 제9권4호
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  • Pages.313-333
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  • 2012
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  • 1738-1584(pISSN)
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  • 1738-1991(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Seismic performance of concrete frames reinforced with superelastic shape memory alloys

  • Youssef, M.A. (The University of Western Ontario, Department of Civil and Environmental Engineering) ;
  • Elfeki, M.A. (The University of Western Ontario, Department of Civil and Environmental Engineering)
  • 투고 : 2011.08.10
  • 심사 : 2012.03.10
  • 발행 : 2012.04.25
⟨ 이전 논문 다음 논문 ⟩

초록

Reinforced concrete (RC) framed buildings dissipate the seismic energy through yielding of the reinforcing bars. This yielding jeopardizes the serviceability of these buildings as it results in residual lateral deformations. Superelastic Shape Memory Alloys (SMAs) can recover inelastic strains by stress removal. Since SMA is a costly material, this paper defines the required locations of SMA bars in a typical RC frame to optimize its seismic performance in terms of damage scheme and seismic residual deformations. The intensities of five earthquakes causing failure to a typical RC six-storey building are defined and used to evaluate seven SMA design alternatives.

키워드

참고문헌

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  3. Seismic Retrofit of Concrete Shear Walls with SMA Tension Braces vol.144, pp.2, 2018, https://doi.org/10.1061/(ASCE)ST.1943-541X.0001936
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  5. Shape memory alloy reinforced concrete frames vulnerable to strong vertical excitations vol.13, 2017, https://doi.org/10.1016/j.jobe.2017.08.011
  6. Seismic retrofit in building structures using shape memory alloys vol.19, pp.4, 2015, https://doi.org/10.1007/s12205-015-0261-z
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  8. Seismic performance of reinforced concrete frames retrofitted using external superelastic shape memory alloy bars pp.1573-1456, 2018, https://doi.org/10.1007/s10518-018-0477-7
  9. Seismic Performance of Modular Steel-Braced Frames Utilizing Superelastic Shape Memory Alloy Bolts in the Vertical Module Connections pp.1559-808X, 2018, https://doi.org/10.1080/13632469.2018.1453394
  10. Modeling of Concrete Shear Walls Retrofitted with SMA Tension Braces pp.1559-808X, 2018, https://doi.org/10.1080/13632469.2018.1452804
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  12. Earthquake effect on the concrete walls with shape memory alloy reinforcement vol.24, pp.4, 2012, https://doi.org/10.12989/sss.2019.24.4.491