Creep of a Strip Footing on Ice-Rich Permafrost

by Francis H. Sayles, US Army Cold Regions Research &, Engineering Lab, Hanover, NH, USA,



Document Type: Proceeding Paper

Part of: Foundations in Permafrost and Seasonal Frost

Abstract:

Creep settlement tests were performed on a strip footing founded on the surface of ice-rich aeolian silt permafrost. The tests consisted of applying four step loadings to a 10 in. (25. 4 cm) wide concrete footing. The testing was conducted at an ambient temperature of 28. 4 degree F ( minus 2. 0 degree C) in the controlled environment of the USACRREL Permafrost Tunnel Facility which is located near Fox, Alaska. Settlement and settlement rates of the footing were measured. These measured values are compared with those computed by different proposed analytical methods that utilize results from unconfined compression creep tests performed on undisturbed soil taken from the testing site.

Subject Headings: Soil settlement | Load tests | Footings | Creep | Soil properties | Soil pressure | Soil compression | Alaska | United States

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