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 354 - +12p., full text
Autogenous shrinkage presents a serious problem in modern concretes due to various admixtures and high water demand for hydration. Microscopic underpressure in the pore water exerts inner load to the microstructure, causing shrinkage and consequently creep. This behavior is simulated via FEM, where the microstructure of cement paste is loaded directly by underpressure, at the micrometer scale. Validation shows that creep of the cement paste must be also taken into account when good quantitative prediction is expected.
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