United States Department of Transportation
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Use of Micro-Surfacing in Highway Pavements
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1994-11-01
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[PDF-9.71 MB]
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Edition:Final Report: September 1992-August 1994
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Abstract:Micro-surfacing is a complex mixture of polymer modified emulsified asphalt cement, crushed mineral aggregate, mineral filler, water, and other additives. When designed and constructed properly, micro-surfacing can be used in thin layers as preventive maintenance and in thick layers to fill ruts as corrective maintenance treatments. Several Districts are using micro-surfacing to repair pavement in the Texas Department of Transportation. The contractor provides the mixture design, and the Department accepts the mixture. The mixture designs submitted by the contractors are based on tests that the Department has not previously used and that have questionable validity.
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