Proceedings Vol. 12 (2006)
ENGINEERING MECHANICS 2006
May 15 – 18, 2006, Svratka, Czech Republic
Copyright © 2006 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 68 - +5p., full text
The mechanical behaviour of solidifying and further hardening concrete is inﬂuenced by the rapidly progressing hydration which makes the experimental work difﬁcult and as a result there is few experimental data for concrete at such early ages. Since the Chen model of plasticity is very suitable for modelling of hardened concrete due to the different strengths considered in compression and tension, it was sought to make use of this model also for description of mechanical behaviour of hardening concrete. The material parameters considered in the modelling have to be dependent on the progressing hydration. The hydration is quantiﬁed with help of the degree of hydration. The performance of the modiﬁed Chen model of plasticity is described in an illustrative example.
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