Marco Pepe https://orcid.org/0000-0002-9416-8415 Marco Pingaro https://orcid.org/0000-0002-7037-8661 Patrizia Trovalusci Emanuele Reccia https://orcid.org/0000-0003-0499-4295 Lorenzo Leonetti https://orcid.org/0000-0001-7182-2149


In the last decades the modeling of masonry structures has become an argument particularly appealing for many researchers and a large variety of numerical techniques have been formulated with the aim to produce practical applications in civil engineering, with special reference to the preservation and restoration of cultural heritage. Nevertheless, the question appears today still far from being resolved in a general way. The characteristics of frailty, heterogeneity and anisotropy of masonry, as well as the extreme variety of the building/construction rules strongly compromise the possibility of a unified description of its mechanical behavior.

In this work a comparison of different models and techniques for the assessment of the mechanical behavior of two-dimensional block masonry walls subjected to the static action of in-plane loads is presented. Different approaches and numerical models are considered: a Limit Analysis approach (LA), a FEM/DEM procedure and a non-linear heterogeneous Finite Element analysis (FE). In particular, the Limit Analysis is able to provide fast and reliable results in term of collapse multiplier and related mechanism. Here a standard Limit Analysis is adopted via a homemade procedure based on Linear Mathematical Programming, considering friction at interfaces. Analyses are performed referring to benchmark examples from literature.


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    SI: Fracture and Damage Detection in Masonry Structures

    How to Cite

    Pepe, M., Pingaro, M., Trovalusci, P., Reccia, E., & Leonetti, L. (2019). Micromodels for the in-plane failure analysis of masonry walls: Limit Analysis, FEM and FEM/DEM approaches. Frattura Ed Integrità Strutturale, 14(51), 504–516. https://doi.org/10.3221/IGF-ESIS.51.38