Design of a post-tensioned prestressed concrete pavement, construction guidelines, and monitoring plan.
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2003-08-01
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Alternative Title:Research project title : further development of post-tensioned prestressed concrete pavements in Texas.
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Abstract:Prestressed Concrete Pavement (PCP) has been around for almost 60 years. Its application started in Europe in ; the 1940s, and since then it has been applied with fair success in other countries, including the United States. ; Domestic application of this technology has been limited for different reasons, mainly due to the lack of welldefined ; or standard design and construction procedures. ; In the United States PCPs have been constructed in Pennsylvania, Mississippi, Arizona, Illinois, and Texas. In ; 1985 the Center for Transportation Research (CTR) at the University of Texas at Austin designed and constructed ; a one-mile PCP section that, after more than 17 years of service under heavy traffic loads, is still in very good ; condition. Although the overall performance of the PCP constructed in Texas has surpassed expectations, there ; are still design and construction flaws that need to be corrected. ; In 1999 the Texas Department of Transportation (TxDOT) funded a research project that required the design and ; construction of a new, improved PCP section in Texas. The work presented herein attempts to provide a design ; methodology and preliminary construction guidelines and specifications for a generic PCP. Additionally, the ; study implements the design procedure for a PCP to be constructed on IH 35 in Hillsboro, Texas. It is believed ; that this investigation will provide valuable information and a positive step towards the standardization of the PCP ; application. ; The results from the study show that PCP construction is very promising and provides long-term low-maintenance ; pavements at a competitive life-cycle cost. During the last few years there has been an increased use of this ; paving technology, and it is hoped that the outstanding performance of several previous projects and lessons ; learned from the not-so-successful projects will lead to new improvements to PCP methods of design and ; construction that will produce high-performance pavements.
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Main Document Checksum:urn:sha256:9ada2bd910bec7bb3182a434d12c3526de63e83a785fcc9523dae9ee767dbdfb