Estimation of Excess Ice and Thaw Settlement in Frozen Soil Using Industrial Computed Tomography

Jordan Harvey, Mahya Roustaei, Joel Pumple, Evan Francis and Duane Froese

Permafrost and Periglacial Processes, 2026, vol. 37, issue 2, 254-266

Abstract: Permafrost thaw can induce terrain instabilities and hazards as a result of the loss of excess ice from host sediments. The loss of excess ice threatens the integrity of infrastructure and drives ecosystem changes across northern landscapes. This study tests a nondestructive approach to estimate excess ice and potential thaw settlement using industrial computed tomography (CT) and compares it with traditional destructive methods. We developed a reusable 3D‐printed thaw settlement chamber suitable for CT scanning and created controlled synthetic permafrost cores from Devon silt (~25% clay,

Date: 2026
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https://doi.org/10.1002/ppp.70029

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Persistent link: https://EconPapers.repec.org/RePEc:wly:perpro:v:37:y:2026:i:2:p:254-266

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