A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Chip Seal Performance Measures – Best Practices
The Washington State Department of Transportation (WSDOT) has a long history of designing, constructing, and maintaining chip seal or bituminous surface treatment pavements. However, to date WSDOT has not developed pavement performance indicators or models to predict chip seal service life, but rather assumes an average life of 6 to 8 years. Due to funding constraints and good pavement management practices, WSDOT has increased the number of pavement segments that are candidates for receiving chip seal applications. In order to improve predictions of chip seal performance and improve their demonstrated cost effectiveness, chip seal performance indicators are needed. The objectives of this research project are to evaluate different performance indicators for chip seal treatments and to develop trigger values for these indicators that will indicate the end of service life and the appropriate index values for resurfacing. Under Phase I of this study, a formal literature review and detailed survey of transportation agency practices were conducted to identify which pavement distress or combination of distresses best characterize the optimal timing for chip seal application. This report summarizes the findings of the literature review, agency survey, WSDOT pavement management and performance modeling practices, and a recommendation of potential performance models for further evaluation as additional data become available.
Chip Seal Performance Measures – Best Practices
The Washington State Department of Transportation (WSDOT) has a long history of designing, constructing, and maintaining chip seal or bituminous surface treatment pavements. However, to date WSDOT has not developed pavement performance indicators or models to predict chip seal service life, but rather assumes an average life of 6 to 8 years. Due to funding constraints and good pavement management practices, WSDOT has increased the number of pavement segments that are candidates for receiving chip seal applications. In order to improve predictions of chip seal performance and improve their demonstrated cost effectiveness, chip seal performance indicators are needed. The objectives of this research project are to evaluate different performance indicators for chip seal treatments and to develop trigger values for these indicators that will indicate the end of service life and the appropriate index values for resurfacing. Under Phase I of this study, a formal literature review and detailed survey of transportation agency practices were conducted to identify which pavement distress or combination of distresses best characterize the optimal timing for chip seal application. This report summarizes the findings of the literature review, agency survey, WSDOT pavement management and performance modeling practices, and a recommendation of potential performance models for further evaluation as additional data become available.
Chip Seal Performance Measures – Best Practices
L. M. Pierce (author) / N. Kebede (author)
2015
82 pages
Report
No indication
English
Transportation Safety , Road Transportation , Transportation & Traffic Planning , Management Practice , Transportation , Problem Solving Information for State & Local Governments , Chip seal projects , Bituminous surface treatments , Best practice , Washington (State) , Washington State Department of Transportation (WSDOT) , Performance measure , Prediction modeling , Pavement management , Resurfacing procedures , Literature review , Transporataion planning
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