Evolution of thermal conductivity for sand-clay composite under one-dimensional compression

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The evolution of thermal conductivity in sand-clay composites under one-dimensional compression is a critical subject in geotechnical and environmental engineering. As pressure increases, the rearrangement of soil particles, reduction in porosity, and redistribution of moisture content significantly influence the heat transfer capabilities of the composite. Initially, thermal conductivity tends to increase with compression due to improved particle contact and reduced air voids, which are poor conductors of heat. However, the rate of increase may vary depending on factors such as clay content, water saturation level, and grain size distribution. Understanding these variations is essential for designing effective underground thermal energy storage systems, evaluating soil behavior under load, and predicting heat transfer in layered soils in various engineering applications.

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#ThermalConductivity #SandClayComposite #SoilMechanics #GeotechnicalEngineering #HeatTransfer #OneDimensionalCompression #SoilThermalProperties #ClayContent #SoilCompaction #EnvironmentalEngineering #UndergroundEnergyStorage #SoilScience #Porosity #SoilConductivity #GeothermalEnergy




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