The application of simplified models for the limit analysis of existing masonry structures in seismic area is discussed in the paper. The procedure is mainly based on equilibrium conditions of macro-elements, involving kinematics mechanisms of structural components and assemblages. It allows evaluating the safety level of existing buildings in old centres according to the real conditions detectable in situ, often not satisfying the main hypothesis at the base of calculation methods designed and aimed at modern masonry structures (insufficient connections among components, presence of poor and non-homogeneous materials, lack of bond in the thickness of masonry wall, etc.). Different typologies of buildings located in three historic centres of the Umbria Region (Italy) are analyzed, characterized by various levels of damage.

Vulnerability of historical centres in seismic area: reliability of assessment methods for different building typologies

MODENA, CLAUDIO;VALLUZZI, MARIA ROSA;
2004

Abstract

The application of simplified models for the limit analysis of existing masonry structures in seismic area is discussed in the paper. The procedure is mainly based on equilibrium conditions of macro-elements, involving kinematics mechanisms of structural components and assemblages. It allows evaluating the safety level of existing buildings in old centres according to the real conditions detectable in situ, often not satisfying the main hypothesis at the base of calculation methods designed and aimed at modern masonry structures (insufficient connections among components, presence of poor and non-homogeneous materials, lack of bond in the thickness of masonry wall, etc.). Different typologies of buildings located in three historic centres of the Umbria Region (Italy) are analyzed, characterized by various levels of damage.
2004
13th International Brick/Block Masonry Conference
13th International Brick/Block Masonry Conference
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/1373454
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