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International Journal for Multiscale Computational Engineering
Fator do impacto: 1.016 FI de cinco anos: 1.194 SJR: 0.554 SNIP: 0.82 CiteScore™: 2

ISSN Imprimir: 1543-1649
ISSN On-line: 1940-4352

International Journal for Multiscale Computational Engineering

DOI: 10.1615/IntJMultCompEng.2015013460
pages 347-366

SENSITIVITY OF MECHANICAL MASONRY CHARACTERISTICS TO MODELING PROCEDURES

Luisa Berto
Department of Architecture Construction Conservation (DACC), University IUAV of Venice, Dorsoduro 2206, Venice, 30123, Italy
Sandra Bullo
Department of Architecture Construction Conservation (DACC), University IUAV of Venice, Dorsoduro 2206, Venice, 30123, Italy
Antonella Cecchi
Department of Architecture Construction Conservation (DACC), University IUAV of Venice, Dorsoduro 2206, Venice, 30123, Venice, Italy
Anna Saetta
Department of Architecture Construction Conservation (DACC), University IUAV of Venice, Dorsoduro 2206, Venice, 30123, Italy

RESUMO

This paper investigates the sensitivity of the mechanical masonry characteristics to modeling procedures, in several conditions of texture and material elastic properties. In a linear elastic field, both rigorous homogenization procedures and micro-modeling finite element techniques, in the framework of compatible identification procedures, are applied and compared to each other. The main aim of such an approach is to verify the reliability of the proposed procedures, identifying their applicability limits to the great variety of real masonry constructions. Finally, the actual vertical and horizontal joint thicknesses are taken into account in the formulation, and the effect of different degradation levels of vertical joints is investigated by means of sensitivity analyses in order to reproduce the typical conditions of ancient masonry.


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