Earthquake Numerical Simulation Of The
Dynamic And Earthquake Behaviour Of
Greek Post-Byzantine Churches With And
Without Base Isolation
Author(s)
G. C. Manos & N. Karamitsios
Abstract
The dynamic and earthquake response of Post-Byzantine stone masonry
churches, which were subjected to a damaging earthquake sequence in the region
of Western Macedonia in Greece, is examined. One of these \“Basilica” form
churches is studied numerically; moreover, the study extends to the behavior of a
two-story box-type church with a simple orthogonal vault and a wooden roof,
which belongs to an 11th century monastic complex. These two structures are
also studied together with the introduction of a base isolation system. The
predicted performance of the various structural elements, located at the
peripheral masonry walls, is then checked by applying an assumed Mohr-
Coulomb failure envelope that is believed to represent the limit-state stonemasonry
behavior. The numerical introduction of a base-isolation system was
quite effective in lowering the demands and thus resulting for most structural
elements in Capacity/Demand ratio values larger than one, which is assumed to
indicate acceptable structural performance. However, the introduction of base
isolation under an existing old stone-masonry structure is also faced with
considerable difficulties, despite the favorable results of the numerical
investigation. For \“The Virgin Mary of Tourniki” these difficulties must be faced
because this old church has to be moved to a different location due to flooding.
Thus, introducing a base isolation scheme under this structure in its new location
is a feasible solution for this particular case with no significant extra cost.
Keywords: Byzantine churches, stone masonry, dynamic response, earthquake
performance, base isolation.
Keywords
Byzantine churches, stone masonry, dynamic response, earthquake
performance, base isolation
Related Book
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