Dynamic And Seismic Performance Of A
Basilica-type Church Under Earthquake Loading:
The Farneta Abbey
Author(s)
M. Betti & A. Vignoli
Abstract
In this paper a basilica-type church is analysed in order to assess its structural
behaviour and its seismic vulnerability with respect to the actual state of
conservation. A quasi-static approach for the evaluation of the seismic loads
have been used (as indeed is common in many analyses of the seismic behaviour
of masonry structures). The comparison demand vs. capacity confirms the
susceptibility of this type of building to extensive damage and possibly to
collapse, as is frequently observed.
Keyword: masonry, earthquake loading, non-linear analysis, FE modelling,
identification, seismic vulnerability.
1 Introduction
Church buildings, which represent a large portion of the Italian cultural heritage,
have demonstrated during the past to be particularly susceptible to damage and
prone to partial or total collapse under earthquake loads. The high seismic
vulnerability of this type of building is due both to the particular configuration
(often characterized by open space, slender walls, lack of effective connections
among the structural elements) and to the mechanical properties of the masonry
material (highly non-linear behaviour and very small tensile strength).
If in principle, the prediction of the structural response of monumental
buildings is not different from that of other constructed facilities (e.g. a bridge) it
is an even more challenging task for several reasons. Each monumental building
is by definition a unique building characterised by its own history, often resulting
in a composite mixture of added or substituted structural elements, strongly
interacting; the dynamic (and static, for that matter) behaviour of ancient
Keywords
masonry, earthquake loading, non-linear analysis, FE modelling,
identification, seismic vulnerability.
Related Book
Other papers in this volume
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