Geosynthetic-Reinforced Double Chip Seal Tames Troubled Streets

Pavement Preservation Journal, Fall 2013, Vol. 6, No. 3
Norman “Skip” Brown

In 2008, the City of Williams, Calif., a had a problem: How to prudently spend money (from State Proposition 1B) that was earmarked for streets and roads.

A considerable portion of city streets was in poor condition due to a lack of funding for maintenance on decades-old pavement situated over clay, with free water no more than 24-36 in. below surface. This lack of adequate structure on the saturated clay had resulted in heavily cracked and deteriorated asphalt streets.

The City of Williams responded by issuing a contract for chip sealing and hot mix asphalt (HMA) overlays on fabric. Gutters were to be matched by key-cut, cold plane grinding on the HMA portion.

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