Applications of Thermal Resistivity Testing
There are several applications for measuring the thermal resistance of a material, a few of which are highlighted below:
Pipeline and Cable Route Selection and Design
Understanding the thermal behaviour of the soil is essential when it comes to pipeline and cable design and insulation. The data aids in the design of cable alignments, selection of cable backfill materials, and helps to determine the required thickness of insulation.
- Helps to specify suitable cable backfill material
- Specifies the minimum level of insulation required to minimise thermal dissipation
- Informs decisions on whether to go above or below ground
Monitoring Changes in Soil Properties
Produces long-term records of changes in soil conditions that can be used to assess the impact of soil changes on infrastructure
Thermal Resistivity as a Proxy for Other Geotechnical Properties
Thermal resistivity is often used as a proxy for other geotechnical properties such as moisture content, void ratio, and unit weight. This is because these properties all have an impact on the material's ability to conduct heat.