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Abstract
The analysis of the thermal effects arising incivil structures requires an accurate knowledge of the thermal properties of structural and porous materials such as concrete, rock and soil in their actual service conditions. To this aim, an in-situe measurement method has been developed. It allows the conductivity and thermal diffusivity to be determined simultaneously. The method, called the twolinear and parallel proble method (TLPP), is based on the linear heat source theory and consists of inserting two probes in parallel holes drilled in the material to be tested. One probe is used as a heating source, the other used as a temperature sensor, detects the rate of the temperature rise of the material at a given distance from the heating probe. The measurements are performed by a portable and automatic data acquisition system. Among the different applications an example of monitoring of the conductivity and thermal diffusivity of an Italian concrete dam is presented.
The analysis of the thermal effects arising incivil structures requires an accurate knowledge of the thermal properties of structural and porous materials such as concrete, rock and soil in their actual service conditions. To this aim, an in-situe measurement method has been developed. It allows the conductivity and thermal diffusivity to be determined simultaneously. The method, called the twolinear and parallel proble method (TLPP), is based on the linear heat source theory and consists of inserting two probes in parallel holes drilled in the material to be tested. One probe is used as a heating source, the other used as a temperature sensor, detects the rate of the temperature rise of the material at a given distance from the heating probe. The measurements are performed by a portable and automatic data acquisition system. Among the different applications an example of monitoring of the conductivity and thermal diffusivity of an Italian concrete dam is presented.
Date
2/1991
2/1991
Author(s)
F Morabito
F Morabito
Page(s)
237-249
237-249
Keyword(s)
thermal conductivty; thermal properties; structural material; concrete; thermal diffusivity
thermal conductivty; thermal properties; structural material; concrete; thermal diffusivity