HIGH TEMPERATURE PROPERTIES OF FIBRE REINFORCED CEMENT COMPOSITES
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Published:2005
R Černý, J Poděbradská, J Toman, M Jiřičková, E Mňahončáková, P Rovnaníková, P Bayer, 2005. "HIGH TEMPERATURE PROPERTIES OF FIBRE REINFORCED CEMENT COMPOSITES", Application of Codes, Design and Regulations: Proceedings of the International Conference held at the University of Dundee, Scotland, UK on 5–7 July 2005, Ravindra K. Dhir, Moray D. Newlands, Andrew Whyte
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Basic hygric and thermal properties of two carbon fiber reinforced cement composites are determined as functions of thermal and mechanical load, and of the combination of these loads. First, the material parameters are measured on the samples of unloaded fiber cement composites. Then a group of specimens is exposed to mechanical load up to the tensile strength, the second group to thermal load up to 800°C, the final group is first exposed to mechanical load and then to thermal load, and measurements of hygric and thermal parameters are done on the loaded specimens. In the analysis of the reasons for the measured differences between hygric and thermal parameters of loaded and unloaded samples, pore distribution measurements are employed. The correlations between the changes in the porous structure and the changes in the hygric and thermal parameters are estimated.
INTRODUCTION
METHODS FOR MEASURING THERMAL AND HYGRIC PROPERTIES
MATERIAL SAMPLES
EXPERIMENTAL RESULTS AND DISCUSSION
CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
