The construction of the Waxahachie maintenance facility access road design required that it cross over existing buried utilities. The addition of heavy traditional fill materials for the new road over the existing utilities presented a challenge. Geofoam is an extremely lightweight material that provided a solution.
A design was developed that resulted in a zero net loading for the utilities and avoided more expensive alternatives for the road design or relocation of the utilities.
The project started with removing some of the existing site materials. This reduced the weight of materials over the utilities. 29,500 cubic feet of type 19 Geofoam was placed, followed by traditional subgrade materials for the road, and finally a concrete pavement. The end result in the design was no increase load on the buried utilities despite the new higher elevation of the road.
FILL FACE OFF: Choosing Foam-Control Geofoam over other fill materials.
Extremely lightweight to reduce lateral or bearing loads
Predictable engineered performance
Various Types available to meet project specific strength requirements
Can be installed in various weather conditions
Foam-Control with Perform Guard treatment available to provide termite resistance
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