PSI - Issue 37

Khalil Naciri et al. / Procedia Structural Integrity 37 (2022) 469–476 Khalil Naciri et al. / Structural Integrity Procedia 00 (2019) 000 – 000

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6. Conclusion This work proposes a multi-scale modeling technique to simulate the behavior of a masonry arch structure using concrete damaged plasticity constitutive model. The technique is first based on a detailed micro-modeling of a part of the arch structure called representative volume element. This RVE is then subjected to three simple numerical tests of uniaxial and biaxial compression and a uniaxial tension to derive the masonry homogenized parameters. An experimental bending test was simulated using the DMM and MSM techniques. Results show that the DMM and the proposed MSM were able to predict the experimental strength with a minor errors. However, locations of hinges obtained at the end of the DMM test were not in complete agreement with the experimental test. The collapse mechanism obtained by the MSM faithfully reproduces the failure pattern obtained by the DMM. 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