Thermal Conductivity of High Performance Concrete in Wide Temperature and Moisture Ranges
DOI:
https://doi.org/10.14311/174Keywords:
concrete, thermal conductivity, moisture content, temperatureAbstract
The thermal conductivity of two types of high performance concrete was measured in the temperature range from 100 °C to 800 °C and in the moisture range from dry material to saturation water content. A transient measuring method based on analysis of the measured temperature fields was chosen for the high temperature measurements, and a commercial hot wire device was employed in room temperature measurements of the effect of moisture on thermal conductivity. The measured results reveal that both temperature and moisture exhibit significant effects on the values of thermal conductivity, and these effects are quite comparable from the point of view of the magnitude of the observed variations.Downloads
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