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Evaluation Of A Thin Bonded Portland Cement Concrete Pavement Overlay
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Book Synopsis Evaluation of a Thin-bonded Portland Cement Concrete Pavement Overlay by : Thomas Elliott Freeman
Download or read book Evaluation of a Thin-bonded Portland Cement Concrete Pavement Overlay written by Thomas Elliott Freeman and published by . This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report discusses the performance of the Virginia Department of Transportation's first modern rehabilitation project involving a thin-bonded portland cement concrete overlay of an existing jointed concrete pavement. The performance of the rigid overlay, which was constructed in a fast-track mode to minimize lane closure time, was evaluated by detailed condition surveys conducted annually throughout a 6-year analysis period to identify, document, and monitor the occurrence of distress. The roughness of the overlay was also measured annually with an accelerometer-based inertial road profiler to permit an examination of the effects of surface deterioration on ride quality. After 6 full years of service, which included only minimal maintenance, the pavement overlay remained in good overall condition. Although the ride quality of the overlay remained virtually unchanged throughout the period, a significant increase in the occurrence of low-to-moderate-severity joint spalls, corner breaks, and to a lesser extent transverse cracks was noted during the fifth and sixth years. The extrusion of compression seals and the subsequent infiltration of water into the pavement structure probably contributed to the observed localized failure of the overlay/substrate bond in the vicinity of joints. This condition, in turn, weakened the pavement's structural capacity at panel edges and thereby resulted in the formation of corner breaks and cracks parallel with and near transverse joints. The consideration of thin-bonded concrete overlays constructed in a fast-track mode is recommended as a viable rehabilitation alternative for jointed concrete pavements that are not severely distressed. However, careful attention to joint installation and, in particular, joint maintenance is recommended for similar future rehabilitation projects.
Book Synopsis Construction of a Thin-bonded Portland Cement Concrete Overlay Using Accelerated Paving Techniques by : Kenneth H. McGhee
Download or read book Construction of a Thin-bonded Portland Cement Concrete Overlay Using Accelerated Paving Techniques written by Kenneth H. McGhee and published by . This book was released on 1992 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report describes the Virginia Department of Transportations' first modern experience with the construction of thin-bonded Portland cement concrete overlays of existing concrete pavements and with the fast track mode of rigid paving. The study was conducted in cooperation with the Federal Highway Administration (FHWA) and used a paving mixture verified in an FHWA mobile laboratory. The study showed that the fast track mode will permit lane closure times as short as 48 hours. Of special interest was the finding that adequate strength of the bond between the old pavement and the overlay is not dependent on the use of a bonding grout.
Book Synopsis Ultra-thin Portland Cement Concrete Overlay Extended Evaluation by : James K. Cable
Download or read book Ultra-thin Portland Cement Concrete Overlay Extended Evaluation written by James K. Cable and published by . This book was released on 2005 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Iowa ultra-thin project demonstrated the application of thin portland cement concrete overlays as a rehabilitation technique. It combined the variables of base preparation, overlay thickness, slab size, and fiber enhancement into a series of test sections over a 7.2-mile length. This report identifies the performance of the overlays in terms of deflection reduction, reduced cracking, and improved bonding between the portland cement concrete (PCC) and asphalt cement concrete (ACC) base layers. The original research project was designed to evaluate the variables over a 5-year period of time. A second project provided the opportunity to test overlay rehabilitation techniques and continue measurement of the original overlay performance for 5 additional years.
Book Synopsis Rehabilitation and Evaluation of Distressed Portland Cement Concrete Pavement by : Daniel Okpala
Download or read book Rehabilitation and Evaluation of Distressed Portland Cement Concrete Pavement written by Daniel Okpala and published by . This book was released on 1997 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Overlay Strategies for Jointed Concrete Pavements by :
Download or read book Structural Overlay Strategies for Jointed Concrete Pavements written by and published by . This book was released on 1990 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Performance of Nongrouted Thin Bonded P.C.C. Overlays by : Mark K. Kaler
Download or read book Performance of Nongrouted Thin Bonded P.C.C. Overlays written by Mark K. Kaler and published by . This book was released on 1986 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Iowa road system has approximately 13,000 miles of Portland Cement Concrete Pavements, many of which are reaching the stage where major rehabilitation is required. Age, greater than anticipated traffic, heavier loads and deterioration related to coarse aggregate in the original pavement are some of the reasons that these pavements have reached this level of distress. One method utilized to rehabilitate distressed or underdesigned PCC pavements is the thin bonded Portland Cement Concrete overlay. Since the introduction of thin bonded overlays on highway pavements in 1973, the concrete paving industry has made progress in reducing the construction costs of this rehabilitation technique. With the advent of the shotblast machine, surface preparation costs have decreased from over $4.00 per square yard to most recently $1.42 per square yard. Other construction costs, including placement, grouting and sawing, have also declined. With each project, knowledge and efficiency have improved.
Book Synopsis Thin Bonded Portland Cement Concrete Overlay and Concrete Pavement Restoration at Hershey, Pennsylvania by : Matthew T. McCormack
Download or read book Thin Bonded Portland Cement Concrete Overlay and Concrete Pavement Restoration at Hershey, Pennsylvania written by Matthew T. McCormack and published by . This book was released on 1991 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Status of Thin-bonded Concrete Overlays by : Robert H. Gausman
Download or read book Status of Thin-bonded Concrete Overlays written by Robert H. Gausman and published by . This book was released on 1986 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Demonstration Projects Division of the Federal Highway Administration has been involved in the evaluation of a number of thin-bonded overlays since 1979. This report presents the status of those projects and includes a summary of some of the more important findings to date.
Book Synopsis Ultrathin Portland Cement Concrete Overlay Extended Evaluation Construction Report by : James K. Cable
Download or read book Ultrathin Portland Cement Concrete Overlay Extended Evaluation Construction Report written by James K. Cable and published by . This book was released on 2000 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research was to investigate the interface bonding condition between an ultra-thin PCC overlay and an ACC base over time, considering the previously mentioned variables. This research lasted for five years, at which time it was extended an additional five years. The new phase of the project was initiated by removing cracked panels existing in the 2-inch thick PCC sections and replacing them with three inches of PCC. The project extension (TR 432) will provide an increased understanding of slab bonding conditions over a longer period, as well as knowledge regarding the behavior of the newly rehabilitated areas.
Book Synopsis Evaluation of Unbonded Portland Cement Concrete Overlays by :
Download or read book Evaluation of Unbonded Portland Cement Concrete Overlays written by and published by . This book was released on 1999 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Final Report, Evaluation of Bond Retainage in Portland Cement Concrete Overlays by Infrared Thermography and Ground Penetrating Radar by :
Download or read book Final Report, Evaluation of Bond Retainage in Portland Cement Concrete Overlays by Infrared Thermography and Ground Penetrating Radar written by and published by . This book was released on 1989 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Bonding Between Ultra-thin Portland Cement Concrete Overlays and Asphalt Cement Concrete by : John Michael Hart
Download or read book Evaluation of Bonding Between Ultra-thin Portland Cement Concrete Overlays and Asphalt Cement Concrete written by John Michael Hart and published by . This book was released on 2000 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laboratory testing and full-scale field testing were used to accomplish the research objective. Laboratory testing involved monitoring interface strains in fabricated PCC/ACC composite beams subjected to either static or dynamic flexural loading. Variables investigated included ACC surface preparation, PCC thickness, and synthetic fiber reinforcement usage. Field testing involved monitoring interface strains and temperatures, falling weight deflectometer deflection responses, direct shear strengths, and distresses on a 7.2 mile Iowa Department of Transportation UTW project (HR-559). Variables investigated included ACC surface preparation, PCC thickness, synthetic fiber reinforcement usage, and joint spacing. The results of both laboratory and field testing are presented and summarized in this paper.
Book Synopsis Techniques and Procedures for Bonded Concrete Overlays by : Manuel Treviño
Download or read book Techniques and Procedures for Bonded Concrete Overlays written by Manuel Treviño and published by . This book was released on 2004 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Thin-bonded Concrete Overlay Pavement by :
Download or read book An Experimental Thin-bonded Concrete Overlay Pavement written by and published by . This book was released on 1985 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Overlay Strategies for Jointed Concrete Pavements by : Walter P. Kilareski
Download or read book Structural Overlay Strategies for Jointed Concrete Pavements written by Walter P. Kilareski and published by . This book was released on 1990 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: A major field study and evaluation has been conducted into the effectiveness of three structural overlay types for portland cement concrete (PCC) pavements. These include sawing and sealing asphalt concrete (AC) overlays of PCC pavements, cracking and seating PCC pavements prior to AC overlay, and constructing a thin bonded PCC overlay on top of the existing PCC pavement. Condition surveys, deflection testing, and roughness measurements were performed on a total of 55 sections. The performance of these sections was evaluated and the effectiveness of each overlay type analyzed.
Book Synopsis Field Evaluation of Bonded Concrete Overlays by : Shiraz D. Tayabji
Download or read book Field Evaluation of Bonded Concrete Overlays written by Shiraz D. Tayabji and published by . This book was released on 1986 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Field load testing was conducted by CTL at five sites in Iowa during April 1986. This report presents the results of field testing, analysis of results, and recommendations to incorporate study results in Iowa's design procedure for bonded concrete overlays.
Book Synopsis Performance Evaluation of Concrete Overlays by : David L. Lippert
Download or read book Performance Evaluation of Concrete Overlays written by David L. Lippert and published by . This book was released on 1988 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
