United States Department of Transportation
i
Accelerated Construction of Urban Intersections With Portland Cement Concrete Pavement (PCCP)
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2003-07-30
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[PDF-5.60 MB]
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Abstract:The frequent maintenance required on some asphalt concrete (AC) pavement sections has made reconstruction with Portland Cement Concrete Pavement (PCCP) a feasible alternative. However, many constructability issues need to be addressed in order to realize the full potential of this alternative. Accelerated paving encompasses three classes of activities: methods to accelerate the rate of strength gain, methods to minimize the construction time, and traffic control strategies to minimize user delay. In Eastern Washington, three major AC intersections with severe rutting problems were reconstructed with PCCP in autumn 2000. The entire reconstruction of each intersection, including demolition of the AC pavement and its replacement with PCCP, took place over a period of three days - starting on Thursday evening and opening the intersection to the traffic on Sunday afternoon. This report documents this effort in order to provide practitioners additional options for rapid reconstruction of urban intersections and includes documentation of the construction process, traffic management strategies, and an analysis of the costs. Additionally, video documentation has been produced for use in technology transfer. The results of this investigation can be used to educate pavement construction professionals and the academic community on the use of PCCP for accelerated reconstruction of major urban intersections with minimal user and traffic disruption, using innovative construction techniques and traffic management optimization principles. This investigation produced valuable information to demonstrate that concrete pavements can be constructed efficiently and quickly.
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