About the Use of Concrete Damage Plasticity for Modeling Masonry Post-Elastic Behavior

Author:

Rainone Luigi Salvatore1,Tateo Vito1,Casolo Siro2ORCID,Uva Giuseppina1ORCID

Affiliation:

1. DICATECH Department, Politecnico di Bari, 70125 Bari, Italy

2. ABC Department, Politecnico di Milano, 20133 Milano, Italy

Abstract

Considering the high vulnerability of existing masonry buildings, which often have strategic or cultural value, professionals and specialized engineers are frequently required to model complex historical buildings. The approaches proposed by National Building Codes may not always be suitable for such cases, but more detailed approaches are necessary, relying on FEM continuum modeling and inelastic constitutive law. There are many constitutive laws proposed in the literature that allow us to accurately reproduce the mechanical behavior of masonry. However, they require the identification of several parameters that are not easy to determine. In this study, a sensitivity analysis of the parameters of a nonlinear constitutive law very popular for masonry modeling (the “Concrete Damage Plasticity—CDP” model) is conducted, considering literature tests of masonry panels under shear stress as the benchmark. The aim is to assess the influence of the main parameters of the model and compare them to one of the more commonly used Mohr–Coulomb failure criteria.

Publisher

MDPI AG

Subject

Building and Construction,Civil and Structural Engineering,Architecture

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