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Library Card

Hanek, G. . 2008. GlasGrid Fights Pavement Reflective Cracking at Diamond Lake. 0877 1306P. San Dimas, CA: U.S. Department of Agriculture, Forest Service, San Dimas Technology and Development Center.

Reflective cracking in pavements occurs where cracks in older, underlying asphalt or concrete layers propagate up through newer overlays. Reflective cracking in asphalt-pavement overlays is typically caused by traffic loading, age hardening, or temperature cycling. When such cracking is present, the traditional remedy has been to apply thicker asphalt-concrete overlays to delay the reappearance of the cracks. In general, for each inch of overlay, existing reflective cracks are deterred from reaching the surface for 1 to 2 years.

Keywords: asphalt, asphalt-pavement, concrete, Diamond Lake, pavement, reflective cracking, thermal cracks

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