Earthquakes and Structures

  • 제11권1호
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  • Pages.109-127
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  • 2016
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
권호 표지
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Sensitivity analysis of probabilistic seismic behaviour of wood frame buildings

  • Gu, Jianzhong (Architectural and Engineering Technology, Thompson Rivers University)
  • 투고 : 2016.03.21
  • 심사 : 2016.06.23
  • 발행 : 2016.07.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper examines the contribution of three sources of uncertainties to probabilistic seismic behaviour of wood frame buildings, including ground motions, intensity and seismic mass. This sensitivity analysis is performed using three methods, including the traditional method based on the conditional distributions of ground motions at given intensity measures, a method using the summation of conditional distributions at given ground motion records, and the Monte Carlo simulation. FEMA P-695 ground motions and its scaling methods are used in the analysis. Two archetype buildings are used in the sensitivity analysis, including a two-storey building and a four-storey building. The results of these analyses indicate that using data-fitting techniques to obtain probability distributions may cause some errors. Linear interpolation combined with data-fitting technique may be employed to improve the accuracy of the calculated exceeding probability. The procedures can be used to quantify the risk of wood frame buildings in seismic events and to calibrate seismic design provisions towards design code improvement.

키워드

참고문헌

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  2. Seismic performance of South Nias traditional timber houses: A priority ranking based condition assessment vol.18, pp.6, 2016, https://doi.org/10.12989/eas.2020.18.6.731
  3. Reliability and fragility assessment of mid- and high-rise wood buildings subjected to seismic excitation vol.16, pp.12, 2016, https://doi.org/10.1080/15732479.2020.1725066
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