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 390 - +7p., full text
For an analysis of a concrete structure subjected to dynamic loading at early ages, one needs to possess reliable values of mechanical parameters, such as modulus of elasticity and Poisson’s ratio. In case of solidifying and further hardening concrete, the lateral deformation needs to be measured with a contact-free method due to the soft consistency of solidifying and hardening concrete. Some results have been already obtained with an image-analysis-based measuring method, however its use is limited, again, due to the consistency of solidifying and hardening concrete as it contains a large amount of free water, which is squeezed out of the specimen when loaded and thus changes conditions for the measurement. This paper discusses the nature of this issue and proposes possible measures to reduce its effect on the quality of measurement.
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All papers were reviewed by members of the scientific committee.