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Use of waste glass in highway construction (update--1992).
Increasing pressures to recycle more wastes and minimize the amount of materials placed in landfills are forcing reconsideration of potential uses of waste glass in highway construction and maintenance operations. The federal government and many state legislatures are mandating studies to find such uses. Because the volume of aggregate needed for highway construction is so large, the use of waste glass in this manner offers a potential for utilizing most if not all glass unsuitable for other purposes. This report provides the results of a literature search and telephone survey to determine current (1992) practices of selected state highway agencies regarding the use of crushed glass in highway construction. It is shown that similar viewpoints are held by most state highway agencies regarding such use.
Rises in construction and asphalt binder costs, as well as the growing pressures on landfills, have contributed to theincreased use of tear-off scrap ...
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