United States Department of Transportation
i
Evaluate the Uses for Scrap Tires in Transportation Facilities
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2003-12-01
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[PDF-3.00 MB]
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Edition:Final Report
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Abstract:During the past two decades in the United States, scrap tires have been generated at an annual rate of one tire per person. Currently, the United States has 2 billion scrap tires in its stockpiles, and in Texas, this number is 150 million. Several applications have been developed for scrap tire use during the past decade. These include tire derived fuel (TDF) in industrial kilns and crumb rubber in asphalt. It is estimated that these account for less than 17 percent of scrap tire generation. Therefore, it is critical that alternative applications are developed where scrap tires can be used in large quantities. This research project was aimed at making an evaluation of existing practices and look into possible applications where TxDOT could use scrap tires in its construction projects. First, a literature review and a state-of-the-art survey was conducted for these studies. This was followed by the development of an economic analysis framework that could be used by TxDOT. A draft specification developed for the use of scrap tires in embankments is included in Chapter 8 of this report.
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