Local Seismic Construction Practices As a Means to Vulnerability Reduction and Sustainable Development

Abstract eng:
By conceptualising local seismic construction practices as capital, this paper proposes a theoretical framework within which its conservation can be envisioned as a means to reducing vulnerability and moving towards more sustainable development. The application of the proposed conceptual framework is demonstrated in the case of Lefkada Island in Greece. Each of the four key constructs (local seismic construction practices, physical vulnerability, social vulnerability, perceptions of local seismic construction practices) that constitute the framework are analytically examined, while inter-relationships between the key constructs are hypothesised and corroborated through the integrated interpretation of the findings emerging from the study of the individual constructs. In particular, measures of social vulnerability are developed which are used to discern different levels of social vulnerability on the island. The influence of social vulnerability on perceptions of the local population pertaining to conservation of local seismic construction practices is subsequently demonstrated. The physical vulnerability relating to the building stock is assessed through damage data of the August 14, 2003 earthquake, and vulnerability curves are developed for the building typologies found in Lefkada. A hypothetical loss scenario is examined that demonstrates, through comparative means, the importance of local seismic construction practices in reducing physical vulnerability, and subsequently expected losses. The research also studies the contribution of conserving local seismic construction practices, to reducing vulnerability and moving towards more sustainable development.

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