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Effect of Moisture on the Thermal Conductivity of a Cementitious Composite

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Measurements of the thermal conductivity of a cement-based composite material are performed as a function of moisture content from a dry state to a fully water-saturated state using an impulse technique. Then, the obtained data are analyzed using Brugemann and Wiener homogenization formulas. The validity of applied homogenization techniques is assessed comparing the measured and calculated results. On the basis of the experimental data and the homogenization analyses, the effects of total pore volume, pore distribution, and moisture content on the thermal conductivity are discussed.

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Authors and Affiliations

  1. Department of Physics, Faculty of Civil Engineering, Czech Technical University, Thákurova 7, 166 29, Prague 6, Czech Republic

    E. Mňahončáková

  2. Department of Mechanics, Faculty of Civil Engineering, Czech Technical University, Thákurova 7, 166 29, Prague 6, Czech Republic

    M. Jiřičková, Z. Pavlík, L. Fiala & R. Černý

  3. Institute of Chemistry, Faculty of Civil Engineering, Brno University of Technology, Žižkova 17, 602 00, Brno, Czech Republic

    P. Rovnaníková & P. Bayer

Authors
  1. E. Mňahončáková
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  2. M. Jiřičková
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  3. Z. Pavlík
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  4. L. Fiala
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  5. P. Rovnaníková
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  6. P. Bayer
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  7. R. Černý
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Corresponding author

Correspondence to R. Černý.

Additional information

Paper presented at the Seventeenth European Conference on Thermophysical Properties, September 5–8, 2005, Bratislava, Slovak Republic.

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Mňahončáková, E., Jiřičková, M., Pavlík, Z. et al. Effect of Moisture on the Thermal Conductivity of a Cementitious Composite. Int J Thermophys 27, 1228–1240 (2006). https://doi.org/10.1007/s10765-006-0073-y

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  • DOI: https://doi.org/10.1007/s10765-006-0073-y

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