Force and Displacement Based Vulnerability Assessment for Traditional Buildings |
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Authors: | Email author" target="_blank">Dina?F?D’ayalaEmail author |
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Institution: | (1) Department of Architecture and Civil Engineering, University of Bath, Bath, BA2 7AY, United Kingdom |
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Abstract: | Vulnerability assessment for historic buildings is usually carried out using capacity based approaches and prediction of losses
is obtained by using normal or lognormal distributions for expected levels of macro seismic intensity or peak ground accelerations.
Several authors have outlined the limitations of such approach. The paper presents a method to correlate analysis of seismic
vulnerability using a failure mechanisms approach to observed in situ damage. The various aspects of the procedure are highlighted with application to a real case. It is shown how once the typologies
within a sample have been identified, fragility curves for each of them can be derived and predictive cumulative damage curve
obtained for samples for which direct survey of damage data is lacking. Finally the paper shows how the failure mechanism
approach can be used to derive damage scenarios both in terms of spectral acceleration and spectral displacement |
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Keywords: | damage scenarios fragility curves historic buildings oriel fa?ades |
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