Use of Glass Cullet in Roadway Construction
The purpose of this study was to develop specifications for using glass cullet – crushed post-consumer glass containers – in roadway construction. Using glass cullet helps avoid expensive sorting to prevent color contamination and presents an opportunity to reduce landfill requirements. Laboratory testing for this project included triaxial, permeability, compaction, wet ball mill, gradation and stripping tests. Draft specifications were prepared for embankments, base course backfill, drainage materials, and detour construction.
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Phillip T. Nash, P.E.