The New Orleans Airport East/West Runway’s nine month, $64 million rehabilitation project included the removal of some existing pavement, repair and replacement of damaged/deteriorated pavement sections, and the installation of a new concrete overlay. R-Shield Geofoam with Perform Guard® was selected as a light weight engineered fill material.
Geofoam was utilized to mitigate differential settlements of existing pavements that were not performing well, and to mitigate potential differential settlement at the interface between new and existing pavements.
Geofoam was used under the newly widened sections of the taxiway fillets to accommodate 747-400 aircraft turning radius.
Geofoam was utilized for settlement mitigation as part of a new taxiway connector constructed on virgin soils.
R-Shield Geofoam with Perform Guard solved another problem at the New Orleans Airport site: potential termite damage totheGeofoam. Thesoilsatthesitearefilledwithtree stumps and roots, a good source of nutrition for subter- ranean termites. Geofoam with Perform Guard is treated with an EPA Registered additive that prevents the potential for significant infestation of the Geofoam.
Note: Geofoam with Perform Guard has been used on two early phases of construction at the Louis Armstrong New Orleans Int’l Airport dating back to 1995.
FILL FACE OFF:
Choosing R-Shield Geofoam over other fill materials.
Extremely lightweight to reduce lateral or bearing loads
Predictible engineered performance
Various Types available to meet project specific strength requirements
Can be installed in various weather conditions
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