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Advanced constitutive laws for nonlinear static analyses of a railway masonry bridge

Summary - In recent years, the use of static non-linear analysis, the so-called pushover analysis, is increasingly common when dealing with seismic vulnerability assessment and mitigation of existing buildings. The pushover analysis aims to determine the relationship between the base shear and the displacement of a control node to determine the capacity curve of a structure. One of the main characteristics of this type of analysis is the nonlinear constitutive law that describes the behavior of the structural elements. This article presents an advanced constitutive law, the Concrete Damage Plasticity model. Subsequently, the application of this constitutive model is presented on an existing reinforced concrete/masonry bridge, using the Midas Gen Software [3][4].

https://www.medra.org/servlet/view?lang=it&doi=10.57597/IF.06.2023.ART.2

  • Giugno
2023
Num. 6
Pag. 487