This paper deals with the details of a device we call the thermal property detector, THERMODET, which can be used for easily determining soil thermal properties such as thermal resistivity, diffusivity, and specific heat in the laboratory. Details of the fabrication of the device, its working methodology, and analysis of the results are presented in the paper. To demonstrate the efficiency of the device, studies have been conducted on soils with totally different properties such as clay, silty soil, and sand. It was determined that THERMODET works quite efficiently and is a reliable device for determining soil thermal properties.
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