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Sensitivity analysis of probabilistic seismic behaviour of wood frame buildings
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  • Journal title : Earthquakes and Structures
  • Volume 11, Issue 1,  2016, pp.109-127
  • Publisher : Techno-Press
  • DOI : 10.12989/eas.2016.11.1.109
 Title & Authors
Sensitivity analysis of probabilistic seismic behaviour of wood frame buildings
Gu, Jianzhong;
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.
earthquake engineering;probability;reliability;wood frame structures;timber;seismic effect;
 Cited by
Applied Technology Council (ATC) (2009), "Quantification of building seismic performance factors", FEMA P-695 report, Federal Emergency Management Agency (FEMA), U.S. Department of Homeland Security, Washington, DC.

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