An approach for modelling concrete spalling in finite strains

C.E. Majorana, V.A. Salomoni, G. Mazzucco and G.A. Khoury

Mathematics and Computers in Simulation (MATCOM), 2010, vol. 80, issue 8, 1694-1712

Abstract: A new approach for modelling concrete spalling process is here proposed, taking into account a fully nonlinear-displacement/strain theory able to catch complex interactions between pressure, thermal and mechanical fields. The micro-structural modelling of concrete under fire conditions is derived from a mechanical and thermodynamic consistent theory and it is strictly related to a self-consistent, carefully extracted set of experimental data, in order to make a correct validation and calibration of the numerical F.E. procedures and codes. Even if appearing as a first but successful example, it is shown that a procedure accounting for coupled material and geometric nonlinearities is able to attain valuable and realistic numerical results concerning spalling process in concrete.

Keywords: Concrete spalling; Micro-structural modelling; Finite strains (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:80:y:2010:i:8:p:1694-1712

DOI: 10.1016/j.matcom.2009.05.011

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