This study performed crash accident analysis both before and after diamond grinding (DG) on a recent project section. After the completion of DG, the average crash occurrence was reduced by 15%, and there was an average international roughness index (IRI) reduction of approximately 40% immediately after treatment. Eleven projects were evaluated to derive a statewide trend on various surface characteristics of pavements due to DG, with the oldest section studied approximately 8 years after treatment. Immediately after DG, the average skid number increased by about 30%. Similarly, there was an average IRI reduction of approximately 40% immediately after the DG. Depending on the existing pavement conditions, the range of IRI reduction varies from 17 to 57%.


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    Title :

    Improving Surface Characteristics by Using Diamond Grinding


    Contributors:
    Chen, Dar Hao (author) / Kun, Li (author)

    Conference:

    Geo-Hubei 2014 International Conference on Sustainable Civil Infrastructure ; 2014 ; Yichang, Hubei, China



    Publication date :

    2014-06-23




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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