Finite element buildability analysis of 3D printed concrete including failure by elastic buckling and plastic flow
2025
Chen, Qinbin | Barbat Vlad, Gabriel | Cervera Ruiz, Miguel | Universitat Politècnica de Catalunya. Doctorat en Enginyeria Civil | Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental | Centre Internacional de Mètodes Numèrics en Enginyeria | Universitat Politècnica de Catalunya. MMCE - Mecànica de Medis Continus i Estructures
The present work proposes a novel framework for the numerical simulation of 3D printed concrete structures. For this, a constitutive model is proposed to reproduce the material behavior featuring aging, tensile and compressive damage, irreversible strain and creep. This is combined with a large-displacement framework to perform the buildability analysis of 3D printed concrete structures taking into account failure by both elastic buckling and plastic flow. In this work, a total of four numerical simulations of 3D printing of concrete are included, all of them being experiments reported in the literature: a straight wall, a hollow cylindrical wall, a large hollow square wall and a small hollow square wall. The results show the ability of the model to reproduce failure by elastic buckling and plastic flow with precision, effectively predicting the buildability of the 3D printed concrete structures.
Mostrar más [+] Menos [-]Financial support from the Spanish Ministry of Science, Innovation and Universities via the DT-FSW project (Digital Twin for High- Performance Components Production via Friction Stir Welding Process, ref. num. PID2023-147968OB-I00) is gratefully acknowledged. The authors also acknowledge financial support from the Catalan Agency for Management of University and Research Grants, through the “High- Performance Computing tool for FSW Modeling and Optimization” project (2024 PROD 00034).
Mostrar más [+] Menos [-]Peer Reviewed
Mostrar más [+] Menos [-]Postprint (published version)
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Información bibliográfica
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