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Author : David R. Mills
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (126 download)
Download or read book The Effectiveness of Synthetic Fiber-reinforced Asphaltic Concrete Overlays in Delaware written by David R. Mills and published by . This book was released on 1982 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Roland
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (922 download)
Download or read book Performance of Reinforcement Fabric Used Under Asphaltic Concrete Overlays written by John Roland and published by . This book was released on 1983 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 1982 cost of a two-inch asphaltic concrete overlay, with fabric, was an average of 85% of the cost of a three-inch overlay (see attached calculations). A structural number can be assigned to the extra inch of overlay, whereas it is doubtful that any number can be assigned to the fabric. The observations made on the projects in this report leave little reason to be optimistic on the use of fabrics under asphalt overlays. This is especially true of the Floyd, Dallas and Clarke county projects. A great amount of fabric is being used nationwide for this purpose, probably more from sales promotion than from actual documented performance. Full scale field testing is continuing each time a project is let utilizing fabric reinforcement under asphaltic concrete overlays. It has already become apparent that the use of fabrics in AC overlays is not always cost effective.
Author : Manik Barman
Publisher :
ISBN 13 :
Total Pages : 275 pages
Book Rating : 4.:/5 (19 download)
Download or read book Comparison of Performances of Structural Fibers and Development of a Specification for Using Them in Thin Concrete Overlays written by Manik Barman and published by . This book was released on 2018 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural fibers improve the long-term performance of concrete pavements and overlays and potentially are useful to reduce the slab thickness. These fibers are available in different parent material compositions, stiffness, shapes, and aspect ratios. The main objective of this study was to characterize the post-crack flexural and joint performance of fiber reinforced concrete to develop a specification for the selection of structural fibers for concrete overlays and/or pavements. The study included a literature review, an online survey, and a large-scale laboratory testing. It was found that the majority (almost 94%) of the FRC overlays in this country were constructed with structural synthetic fibers, which provided equal or better performance than projects using the steel fibers. In the laboratory study, a total of 43 different mixes were prepared with 11 different types of fibers. Fiber dosage, stiffness, and geometry significantly influenced the residual strength ratio (RSR) and residual strength (RS). In general, embossed, twisted, and crimped fibers performed better on average than straight-flat synthetic fibers when the comparison was made in terms of RSR or RS. From the joint performance testing, it was found that fibers can greatly improve the performance of the pavement with respect to load transfer efficiency (LTE), differential displacement, and differential joint energy dissipation. The findings from this were used to recommend the target ranges post-crack flexural performance, and joint performance parameters.
Author : Yeou-Shang Jenq
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (1 download)
Download or read book Performance Evaluation of Fiber Reinforced Asphalt Concrete written by Yeou-Shang Jenq and published by . This book was released on 1994 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Literature review, site condition surveys, and laboratory tests were conducted to assess the performance of asphalt concrete pavements reinforced by synthetic fibers (mainly polyester fibers and polypropylene fibers) in the present study. Based on available research reports, fiber reinforcement was found, in most instances, to be able to delay reflective crack formation in asphalt concrete pavements for up to two years. However, addition of fibers did not seem to significantly enhance the rutting resistance of fiberized sections.
Author : Manik Barman
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (128 download)
Download or read book Performance Benefits of Fiber-reinforced Thin Concrete Pavement and Overlays written by Manik Barman and published by . This book was released on 2021 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study investigates the performance benefits of synthetic structural fibers in mitigating distresses in thin concrete pavements and overlays. In this study, two ultra-thin (3 and 4 inches thick) and four thin (5 and 6 inches thick) concrete pavements placed on a gravel base along with two thin unbonded concrete overlay cells (5 inches thick) placed on an existing concrete pavement were constructed at the Minnesota Road Research (MnROAD) facility in 2017. This report discusses the objectives and methodology of the research, including the construction of the test cells, instrumentation, traffic load application, and data collection and analysis procedures. The structural responses and distresses observed over three years, such as fatigue cracking and faulting, as well as the joint performance measured in each cell, were discussed and compared in this report.
Author : Wesley Grigg Mullen
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (565 download)
Download or read book Evaluation of the Effectiveness of Fabric Reinforcement in Extending the In-service Life of Bituminous Concrete Overlays written by Wesley Grigg Mullen and published by . This book was released on 1979 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James K. Cable
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (734 download)
Download or read book Evaluation of Composite Pavement Unbonded Overlays written by James K. Cable and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, thin whitetopping has evolved as a viable rehabilitation technique for deteriorated asphalt cement concrete (ACC) pavements. Numerous projects have been constructed and tested, allowing researchers to identify the important elements contributing to the projects' successes. These elements include surface preparation, overlay thickness, synthetic fiber reinforcement usage, joint spacing, and joint sealing. Although the main factors affecting thin whitetopping performance have been identified by previous research, questions still existed as to the optimum design incorporating these variables. The objective of this research is to investigate the interaction between these variables over time. Laboratory testing and field testing were conducted to achieve the research objectives. Laboratory testing involved shear testing of the bond between the portland cement concrete (PCC) overlay and the ACC surface. Field testing involved falling weight deflectometer deflection responses, measurement of joint faulting and joint opening, and visual distress surveys on the 9.6 mile project. The project was located on Iowa Highway 13 extending north from the city of Manchester, Iowa to Iowa Highway 3 in Delaware County. Variables investigated include ACC surface preparation, PCC thickness, slab size, synthetic fiber reinforcement usage, and joint spacing. This report documents the planning, construction, and performance of each variable in the time period from summer 2002 through spring 2006. The project has performed well with only minor distress identification since its construction.
Author : David Lee Pickett
Publisher :
ISBN 13 :
Total Pages : 566 pages
Book Rating : 4.:/5 (792 download)
Download or read book Laboratory Evaluation of Selected Fabrics for Reinforcement of Asphaltic Concrete Overlays written by David Lee Pickett and published by . This book was released on 1981 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1150 pages
Book Rating : 4.F/5 ( download)
Download or read book Concrete International written by and published by . This book was released on 1997 with total page 1150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dean A. Maurer
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (129 download)
Download or read book Comparison of Methods to Retard Reflective Cracking in Bituminous Concrete Using Fabrics and Fibers Construction and Early Performance Report written by Dean A. Maurer and published by . This book was released on 1985 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary purpose of this project is to determine whether any of various treatments, using geotechnical fabrics and fibers, will significantly retard reflective crack formation in an asphaltic concrete overlay. Four paving fabrics, one asphalt/fiber membrane and one fiber-reinforced asphalt concrete, are the treatment alternatives being evaluated. All treatment to determine relative performance, considering cost, ease of placement or adaptability to normal overlay practice, and ability to resist reflective cracking. Field monitoring is being maintained for three years to determine overall and relative performance of each treatment.
Author : David L. Pickett
Publisher :
ISBN 13 :
Total Pages : 283 pages
Book Rating : 4.:/5 (846 download)
Download or read book Laboratory Evaluation of Selected Fabrics for Reinforcement of Asphaltic Concrete Overlays written by David L. Pickett and published by . This book was released on 1983 with total page 283 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Michael Hart
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.:/5 (456 download)
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.
Author :
Publisher :
ISBN 13 :
Total Pages : 776 pages
Book Rating : 4.3/5 (91 download)
Download or read book American Doctoral Dissertations written by and published by . This book was released on 2001 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1168 pages
Book Rating : 4.:/5 (319 download)
Download or read book Tappi Journal written by and published by . This book was released on 1989 with total page 1168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1534 pages
Book Rating : 4.0/5 ( download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1989-07 with total page 1534 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Otto Rasmussen
Publisher : Transportation Research Board
ISBN 13 : 0309070198
Total Pages : 96 pages
Book Rating : 4.3/5 (9 download)
Download or read book Thin and Ultra-thin Whitetopping written by Robert Otto Rasmussen and published by Transportation Research Board. This book was released on 2004 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 338: Thin and Ultra-Thin Whitetopping summarizes available information to document how state departments of transportation and others are currently using thin and ultra-thin whitetopping overlays among various pavement rehabilitation alternatives. The report covers all stages of the proper application of whitetopping overlays, including project selection, design, materials selection, construction, maintenance, and eventual rehabilitation or replacement.
Author : National Cooperative Highway Research Program
Publisher :
ISBN 13 :
Total Pages : 652 pages
Book Rating : 4.3/5 (91 download)
Download or read book Synthesis of Highway Practice written by National Cooperative Highway Research Program and published by . This book was released on 1990 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
