Abstract
In this study, the structural and fracture behavior of cementitious composite beams subjected to flexural loads is experimentally and numerically investigated. Six series of mortar specimens reinforced with steel mesh layer ware cast and tested in 4–point bending. Configurations with 2, 4 or 6 mesh layers were examined to characterize the flexural response of materials. A 3D FE model was developed in ABAQUS to predict the nonlinear behavior of the beams and to simulate the evolution of fracture patterns under an increasing load. The nonlinear cracking and crushing response of the mortar was implemented by using the Concrete Damage Plasticity model. For the steel reinforcement, an elasto-plastic model with isotropic hardening was adopted. The results of the numerical analysis are discussed. Comparisons between numerical and experimental results highlight a reasonably good agreement both in term of structural response and of damage growth.
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Aymerich, F., Fenu, L., Loi, G. (2020). FE Analysis of the Flexural Behavior of Cementitious Composites Using the Concrete Damage Plasticity Model. In: di Prisco, M., Menegotto, M. (eds) Proceedings of Italian Concrete Days 2018. ICD 2018. Lecture Notes in Civil Engineering, vol 42. Springer, Cham. https://doi.org/10.1007/978-3-030-23748-6_10
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DOI: https://doi.org/10.1007/978-3-030-23748-6_10
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