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Edition:Final report; May 2006-May 2009.
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Abstract:The purpose of this research project is to evaluate the constructability and performance of Prismo Imprint synthetic overlays (manufacturer later changed to Ennis Paint, Inc.). Imprint is being evaluated as an alternative to brick pavers. This product can be installed in a few hours compared to days with brick pavers.
Imprint is a hot applied wearing course comprising of a synthetic asphalt based compound, incorporating pigment, graded rubber granules and granite aggregate, reinforced with metal and glass fibers.
The top layer of asphalt within the crosswalk area is milled. The molten imprint material is placed on the pavement and spread with a heated iron. Fine sand is spread over the recently laid asphalt, and then a metal mold is used to press the brick design.
The Imprint can be installed quickly and easily. The product's performance depends on the condition of the underlying pavement. The Imprint crosswalk is exhibiting some reflective cracking, but the pavement prior to milling had extensive alligator cracking with rutting. The road condition of the Imprint crosswalk is improved compared to the pavement leading up to the crosswalk.
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