Evaluation of FC-5 with PG 76-22 HP to Reduce Raveling [Brief]
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2019-06-01
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Abstract:Road resurfacing involves removing the road’s worn and possibly damaged top layer and replacing it with fresh asphalt. This top layer is the friction course, and its composition has important effects on roadway performance. An open-graded friction course (OGFC) improves traction because it has been formulated and placed with a certain amount of voids that improve drainage. For this reasons and others, OGFC is used by many states. However, the structure of OGFC also has an important shortcoming: shorter service life. With this come the additional costs of more frequent maintenance.
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