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Tag: geofoam
Roadbuilding
Colorado DOT deploys Geofoam for fast repair of sinkhole on major highway
Faced with a 300-foot-long sinkhole on U.S. 36 between Denver and Boulder, the Colorado Department of Transportation decided to use Geofoam blocks to rebuild the highway’s sunken foundation. Cracks began forming on the five-year-old roadway in July, and within a week, the retaining wall for the road collapsed and wet clay soil underneath the road […]
January 6, 2020
Roadbuilding
Geofoam saves time, money during three projects
The Federal Highway Administration (FHWA) has promoted the use of expanded polystyrene (EPS) geofoam as a lightweight embankment soil alternative for a number of years. In a 2006 report, the agency’s Technical Service Team described the material as a “field-tested, budget-friendly winner.” Why? FHWA engineers list the following benefits: Accelerated construction Payroll, transportation and equipment […]
December 6, 2013
Roadbuilding
Ground Improvement with Geofoam
Soft, compressible soils provide special challenges to the construction of transportation infrastructure projects. Geofoam and ground improvement techniques can be used in these soils to get roads and bridges in place quickly, while reducing long-term maintenance costs. by Matt Fielding, P.E and Rick Chestnut, P.E., P.G. Soft, compressible soils provide special challenges to the construction […]
March 17, 2010
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