Thermal Analyses of Crushed-Rock Layers for Permafrost Protection

Research civil engineers investigated how permafrost can be protected from global warming effects using crushed-rock layers. With greenTEG’s gSKIN® XP heat flux sensors, temperature sensors and albedometers, the thermal performance of rock layers composed of different particle sizes and paint coatings were investigated. It was found that smaller-sized particles reduced thermal transmission to the permafrost during daytime, thus yielding valuable results for the research team.

An experimental study on thermal analyses of crushed-rock layers with single-size aggregates
Authors: Jiaming Zhang, Guoxing Mei, Thing Bao, Li-E Yan
Cold Regions Science and Technology, Vol. 160, 2019
Full publication: https://doi.org/10.1016/j.coldregions.2019.02.001

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