A coupled thermo-hygro-chemo-mechanical model for the simulation of spalling of concrete subjected to fire loading

Author(s): M. Zeiml, Y. Zhang, C. Pichler, R. Lackner, H.A. Mang
Paper category: Workshop
Book title: Concrete Spalling due to Fire Exposure – Proceedings of the 3rd International Workshop, Paris 2013
Editor(s): P. Pimienta, F. Meftah
Print ISBN: 978-2-7598-1074-1
Publisher: Edp sciences
Pages: 234 - 243
Total Pages: 10
Language: English

The presented research work contributes to the realistic simulation of the stress state within fireloaded concrete in order to attain insight into the development and occurrence of the critical state right before and during the event of spalling. A coupled thermo-hygro-chemo mechanical code simulating the stress state as a consequence of both thermo-hygral and thermo-mechanical processes is presented together with an embedded strong-discontinuity model which is capable of capturing and tracking the propagation of a crack evolving in concrete as a quasi-brittle material. Combination of the two mentioned models is currently under way. With the resulting coupled model, it will be possible to take into account all major couplings, allowing to realistically simulate the spalling process.

Online publication: 2013
Publication Type: full_text
Public price (Euros): 0.00