Abstract
A study was initiated by the Wisconsin Department of Transportation to investigate the effects of spot diamond grinding on the performance and material properties of concrete pavement. A field survey was conducted to assess the conditions of selected spot-diamond-ground PCC pavement sites. Pavement distress data were collected on control and spot-ground sections on 22 highways and 34 locations in Wisconsin. In addition, microsurveys were completed for each of the spot-ground sections. Utilizing the pavement distress index, values and results of the microsurvey comparisons are made between sections that were spot-ground and those that were not. Conclusions are drawn concerning the effects of spot grinding on the performance of the concrete pavements; no practical differences were found between the spot-ground and control sections.
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