Methodologies For The Vulnerability Analysis
Of Historic Centres In Italy
Author(s)
L. Binda
Abstract
During the last few decades several approaches to the study of the vulnerability
of historic centres have been proposed by different research groups in the
Mediterranean countries under the seismic risk. The aim is to (i) provide the
responsible authorities with information and parameters for the most appropriate
vulnerability analysis methods, (ii) support the designers in their repair and
prevention projects. As an example to clarify the results reached by the research,
a methodology proposed within a research supported by the Protection
Department of the Italian Minister Council is presented. The approach is
proposing an investigation on site and in a laboratory based on a \“minimal” low
cost program. The knowledge of existing buildings is approached by considering
different levels of analysis. The methodology, calibrated on four historic centres
situated in Umbria (Italy), allowed us to define an abacus of the typical collapse
mechanisms which can be used for analytical methods based on the application
of single or combined kinematic models involving the equilibrium of
macro-elements.
Keywords: masonry structures, on site and laboratory investigation,
vulnerability analysis.
1 Introduction
The earthquake which struck Umbria and Marche regions in 1997 only occurred
18 years after the one which in 1979 hit Val Nerina (part of Umbria). In this part
of Umbria some historic centres were retrofitted and again damaged in 1997. The
1997 earthquake gave the occasion to learn about the effectiveness of the repair
and retrofitting techniques. In fact most retrofitting mainly performed with
upgrading interventions (substitutions of timber floors and roofs with r.c.,
Keywords
masonry structures, on site and laboratory investigation,
vulnerability analysis.
Related Book
Other papers in this volume
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