Honolulu Interstate H1 Precast Concrete Pavement Demonstration Project
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Honolulu Interstate H1 Precast Concrete Pavement Demonstration Project

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    The production use of precast concrete pavement (PCP) has come a long way over the last 15 years. The technology is gaining wider acceptance in the U.S. for rapid repair and rehabilitation of concrete pavements as well as for heavily trafficked asphalt concrete pavements and intersections. Several U.S. highway agencies, including Caltrans, Illinois Tollway, and the New Jersey, New York, and Utah State Departments of Transportation (DOTs), have implemented the PCP technology, and other agencies have constructed demonstration projects. In the U.S., the PCP technology is being used for intermittent repairs (full-depth joint repairs or full panel replacement) and for continuous applications (longer length/wider area rehabilitation) with service life expectations of at least 20 years for intermittent repairs and at least 40 years for continuous applications, without significant future corrective treatment. The Strategic Highway Research Program 2 (SHRP2) Project R05 was conducted from 2008 to 2012 to develop technical information and guidelines that would encourage the rapid and successful adoption of PCP technology. In 2013, the SHRP2 Implementation Assistance Program (IAP) was created to help State DOTs, metropolitan planning organizations, and other interested organizations deploy SHRP2-developed products order to deliver more efficient, cost-effective solutions to meet the complex challenges facing transportation agencies. On March 28, 2014, as part of round 3 of the IAP, four lead adopters were selected to receive financial support from the Federal Highway Administration for implementation of PCP technology. Hawaii Department of Transportation, one of the agencies selected as a lead adopter, received an award of $300,000 to help offset the cost of the implementation of PCP technology in the State. This case study report provides details of the 2015 PCP implementation on a concrete pavement rehabilitation project along a section of Interstate H1 in the Honolulu area.
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