Stabilization of Horseshoe Lake Road using Geofibers and Soil-Sement®
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2012-04-03
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Edition:Final research report; 8/18/2009-12/31/2011.
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Abstract:One solution to reducing the cost of importing gravel in areas where available soils are predominately silts and
sands is to stabilize the local soils with geofibers and synthetic fluids. There have been several studies which
have evaluated improvements in soil strength using geofibers. Laboratory work at the Alaska University
Transportation Center has shown that the use of geofibers in combination with synthetic fluids has the potential
to stabilize silts and sands, making them usable for roadway and airport construction. A test 500 foot test section
was constructed on Horseshoe Lake Road, near Wasilla, Alaska. The test section was comprised of 250 feet
using six inches of geofiber and Soil-Sement® and 250 feet using twelve inches of geofiber and Soil-Sement®.
The test section was monitored over 16 months for performance and soil strength. Overall the test section has
performed well.
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