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Title: Reduction of frost heave by surcharge stress
Authors: Aitken, George W.
Keywords: Fairbanks, Alaska
Frost heave
Frozen soils
Frozen ground
Water migration
Soil moisture
Soil mechanics
Static loads
Moisture migration
Surcharge stress effects
Vertical movement data
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 184.
Description: Technical Report
Abstract: The results of a six-year field test program conducted near Fairbanks, Alaska, to investigate the reduction in frost heave obtained by applying a surcharge stress on the soil are presented. Seasonal heaves of 25-ft-square test sections with nominal surcharge loads of 2, 4, 6, and 8 psi were compared with heaves at adjacent unloaded sections. The test sections were on a silt soil in an area where permafrost existed at about a 7-ft depth. Results showed that only a small surcharge load was needed to cause significant reductions in heave. Data are included that indicate that heave reduction was achieved by minimizing groundwater migration. A method for correlating field and laboratory rate of-heave data is suggested.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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