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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 5 | Copyright
Nat. Hazards Earth Syst. Sci., 9, 1557-1565, 2009
https://doi.org/10.5194/nhess-9-1557-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.

  09 Sep 2009

09 Sep 2009

A revised (PTVA) model for assessing the vulnerability of buildings to tsunami damage

F. Dall'Osso1,4, M. Gonella4, G. Gabbianelli1, G. Withycombe3, and D. Dominey-Howes2 F. Dall'Osso et al.
  • 1CIRSA, Interdepartmental Centre for Environmental Sciences Research, University of Bologna, via S. Alberto 163, 48100 Ravenna, Italy
  • 2Australian Tsunami Research Centre and Natural Hazards Research Laboratory, University of New South Wales, Sydney, NSW 2052, Australia
  • 3Sydney Coastal Councils Group Inc., Level 14, 456 Kent Street, Sydney, NSW 2001, Australia
  • 4Med Ingegneria S.r.l., via P. Zangheri 16, 48100 Ravenna, Italy

Abstract. The Papathoma Tsunami Vulnerability Assessment (PTVA) Model (Papathoma, 2003) was developed in the absence of robust, well-constructed and validated building fragility models for assessing the vulnerability of buildings to tsunami. It has proven to be a useful tool for providing assessments of building vulnerability. We present an enhanced version (PTVA-3) of the model that takes account of new understanding of the factors that influence building vulnerability and significantly, introduce the use of the Analytic Hierarchy Process (AHP) for weighting the various attributes in order to limit concerns about subjective ranking of attributes in the original model. We successfully test PTVA-3 using building data from Maroubra, Sydney, Australia.

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