United States Department of Transportation
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Abstract:Pavements with transversely tined texturing sometimes produce annoying traffic noise generated by the interaction of tires with the patterned tine marks on the pavement. In some cases abatement has required costly diamond-grinding to remove the noise-producing tine marks. An alternative artificial turf-drag texturing procedure has been developed. This study compares the polishing characteristics of concrete surfaces textured by tining versus artificial turf-drag procedures. The study also investigates the polishing resistance of the fine and coarse aggregate, and the use of flyash in the concrete. Wear track polishing tests indicate that the artificial turf-drag texture has somewhat higher polishing resistance than tining. Natural sand fine aggregate and crushed gravel in the concrete produce considerably higher polishing resistance than crushed limestone fine and coarse aggregate. The use of flyash in the concrete produced slightly higher resistance to polishing.
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Content Notes:Cover publication date: May, 2004; TRDP publication date, December, 2003.
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