Unformatted text preview: Then the geo-foam is set in place and finally a layer of Cellular Concrete Fill (CCF). The lightweight CCF prevents crushing of the foam underneath. A membrane is to protect the geo-foam from fuel spills, since hydrocarbons will dissolve the foam. In the final step road base and PCCP are then laid, bringing the structure to finish grade. On the outside a precast façade is placed around the geo-foam for looks....
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- Fall '08
- Staff
- Road, final step road
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