Earthquakes and Structures

  • 제7권3호
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  • Pages.385-400
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  • 2014
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Influence of mass and contact surface on pounding response of RC structures

  • Khatiwada, Sushil (Department of Civil and Environmental Engineering, the University of Auckland, Auckland Mail Centre) ;
  • Larkin, Tam (Department of Civil and Environmental Engineering, the University of Auckland, Auckland Mail Centre) ;
  • Chouw, Nawawi (Department of Civil and Environmental Engineering, the University of Auckland, Auckland Mail Centre)
  • 투고 : 2014.04.03
  • 심사 : 2014.05.20
  • 발행 : 2014.09.30
⟨ 이전 논문 다음 논문 ⟩

초록

Pounding damage to bridges and buildings is observed in most major earthquakes. The damage mainly occurs in reinforced concrete slabs, e.g. building floors and bridge decks. This study presents the results from pounding of reinforced concrete slabs. A parametric investigation was conducted involving the mass of the pendulums, the relative velocities of impact and the geometry of the contact surface. The effect of these parameters on the coefficient of restitution and peak impact acceleration is shown. In contrast to predictions from numerical force models, it was observed that peak acceleration is independent of mass. The coefficient of restitution is affected by the impact velocity, total participating mass and the mass ratio of striker and struck block.

키워드

참고문헌

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피인용 문헌

  1. State-of-the-Art of Research on Seismic Pounding Between Buildings with Aligned Slabs 2017, https://doi.org/10.1007/s11831-017-9242-3
  2. Minimum required separation gap for adjacent RC frames with potential inter-story seismic pounding vol.152, 2017, https://doi.org/10.1016/j.engstruct.2017.09.025
  3. Seismic response of skewed bridges including pounding effects vol.14, pp.5, 2018, https://doi.org/10.12989/eas.2018.14.5.467
  4. Seismic Fragility Functions for Non-Seismically Designed RC Structures Considering Pounding Effects vol.11, pp.12, 2014, https://doi.org/10.3390/buildings11120665
  5. Effect of earthquake-induced transverse poundings on a 32 m span railway bridge isolated by friction pendulum bearings vol.251, pp.no.pa, 2014, https://doi.org/10.1016/j.engstruct.2021.113538