Seismic Analysis Of Masonry Bridges By A Nonlinear 3D FEM
Author(s)
P. Nikolaou, M. Sfakianakis, G. Hatzigeorgiou & D. Beskos
Abstract
Seismic analysis of masonry bridges by a
nonlinear 3D FEM
P. Nikolaou, M. Sfakianakis, G. Hatzigeorgiou & D. Beskos
Department of Civil Engineering, Patras University, Greece
Abstract
In the present paper, a finite element methodology for the static and dynamic
nonlinear analysis of concrete and large order historical masonry structures is
described and applied to the seismic analysis of the historic Arta bridge, in
western Greece, under 2D and 3D conditions. According to this methodology,
the inelastic material behaviour is simulated with the aid of the theory of
continuum damage mechanics. More specifically, the developed damage model
is a combination of the theories of Mazars and Faria-Oliver and is characterized
by its successful modeling of the mechanical behaviour when applied to concrete
or masonry structures. In addition, the model permits an easy calculation of
damage indices for various locations of a structure and a global (qualitative)
damage index for the whole structure as well. T
Keywords
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