Incorporation of Load Induced Thermal Strain in Finite Element Models
DOI:
https://doi.org/10.14311/1079Keywords:
Load induced thermal strain, finite element, concrete, structures in fire, yield surface.Abstract
Load induced thermal strains (LITS) are an integral part of the behaviour of concrete in fire; their existence has been well documented and modelled by different researchers. More thorough representation of LITS is needed to accurately represent their plastic constituents in finite element models. This paper develops a technique to allow the evolution of LITS in accordance with the rules developed in several academic models. The technique is implemented with a simple Drucker-Prager yield surface and the results assessed.Downloads
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