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Author : K. L. Smith
Publisher :
ISBN 13 :
Total Pages : 155 pages
Book Rating : 4.:/5 (426 download)
Download or read book LTPP Pavement Maintenance Materials written by K. L. Smith and published by . This book was released on 1999 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (614 download)
Download or read book LTPP Pavement Maintenance Materials written by and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (1 download)
Download or read book LTPP Pavement Maintenance Materials written by and published by . This book was released on 1999 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Strategic Highway Research Program (SHRP) H-106 maintenance experiment and the Federal Highway Administration (FHWA) Long-Term Monitoring (LTM) of Pavement Maintenance Materials Test Sites project studied the resealing of joints in concrete pavements. The purpose of joint resealing is to reduce the amount of water entering a pavement structure and to prevent the filling of joints with incompressible materials. Although joint resealing is a common maintenance practice, premature seal failure is frequent, leading to additional repair and expenditures. The purpose of this study, then, was to address the merits and deficiencies of current joint resealing materials, designs, and practices. The study evaluated the relative performance of selected sealant materials, as well as the effect of selected sealant instalfation methods. The study also identified sealant inaterial properties and tests that correlate well with field performance. The effect of joint seal performance on pavement life was not addressed in this study. This report documents the entire PCC joint resealing study, including the installation of 31 unique joint seal treatments (i.e., combinations of sealant material and installation method) at 5 different test sites, the laboratory testing of experimental sealant materials, and the 7-year performance monitoring of the various joint seal treatments. It also discusses the redts of comprehensive statistical analyses conducted on material performance and laboratory testing data. The results of a detailed cost-effectiveness analysis are also presented"--Tech. report doc. pg
Author :
Publisher :
ISBN 13 :
Total Pages : 109 pages
Book Rating : 4.:/5 (475 download)
Download or read book LTPP Pavement Maintenance Materials written by and published by . This book was released on 1999 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (879 download)
Download or read book LTPP Pavement Maintenance Materials written by and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (475 download)
Download or read book LTPP Pavement Maintenance Materials written by and published by . This book was released on 1999 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.3/5 (555 download)
Download or read book LTPP Product Plan written by and published by . This book was released on 2001 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher : DIANE Publishing
ISBN 13 : 1428995234
Total Pages : 172 pages
Book Rating : 4.4/5 (289 download)
Download or read book Longterm pavement performance information management system pavement performance database user reference guide written by and published by DIANE Publishing. This book was released on with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (1 download)
Download or read book LTPP written by and published by . This book was released on 1998 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Established as part of the Strategic Highway Research Program (SHRP) and now managed by the Federal Highway Administration (FHWA), the Long Term Pavement Performance (LTPP) program faces a significant challenge. Over the past decade, the LTPP program has developed a solid knowledge base for understanding how pavements perform. Its challenge throughout its second decade is to build on this foundation--to further the understanding of why pavements perform as they do. To address this challenge, FHWA has initiated several efforts that require the support and active participation of the States and Provinces. The intent of this document is to describe the challenge the LTPP program faces and explain the efforts underway to address this challenge. This document is presented in the following sections: Introduction; The Challenge; Addressing the Challenge; Critical Issues; and Future Opportunities.
Author : Amir Naoum Hanna
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.E/5 ( download)
Download or read book SHRP-LTPP Specific Pavement Studies written by Amir Naoum Hanna and published by Strategic Highway Research Program (Shrp). This book was released on 1994 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Specific Pavement Studies (SPS) portion examines specially constructed pavements, which will help develop better understanding of the effects on performance of a few targeted factors not widely covered in General Pavement Studies (GPS). SPS also explores options for construction of new pavements, the application of maintenance treatments to existing pavements, and the rehabilitation of distressed pavements. This report summarizes the status of SPS as of June 30, 1992.
Author : Kathleen Theresa Hall
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (57 download)
Download or read book LTPP Data Analysis written by Kathleen Theresa Hall and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kathleen Theresa Hall
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (57 download)
Download or read book LTPP Data Analysis written by Kathleen Theresa Hall and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.3/5 (555 download)
Download or read book Long-term Pavement Performance Information Management System Data Users Reference Manual written by and published by . This book was released on 1997 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Long-Term Pavement Performance Information Management System (LTPP IMS) Data Users Reference Manual contains an overview of the LTPP program and the data available to researchers. LTPP is a 20-year study of pavements to improve design, rehabilitation, and maintenance practices. This document is intended to assist researchers in understanding the data that are currently available for General Pavement Studies Experiments and how to obtain it. The General Pavement Studies are a group of asphalt concrete (AC) and portland cement concrete (PCC) experiments using in-service pavements. In addition to materials test results for the pavement sections, data on pavement history, maintenance, and rehabilitation are stored in the IMS. Information on distress, transverse profile, cross profile, pavement deflection, and traffic is collected on a routine basis and added to the data base regularly. The manual includes information on the quality control process.
Author :
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.E/5 ( download)
Download or read book Distress Identification Manual for the Long-term Pavement Performance Project written by and published by Strategic Highway Research Program (Shrp). This book was released on 1993 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas P. Wilson
Publisher :
ISBN 13 :
Total Pages : 109 pages
Book Rating : 4.:/5 (427 download)
Download or read book LTTP Pavement Maintenance Materials written by Thomas P. Wilson and published by . This book was released on 1999 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Strategic Highway Research Program (SHRP) H-106 maintenance experiment and the Federal Highway Administration (FHWA) Long-Term Monitoring (LTM) of Pavement Maintenance Materials Test Sites project studied the repair of partialdepth spalls in concrete pavements. The purpose of partial-depth spall repair is to restore a pavement's structural integrity, improve its ride quality, and extend its serviceable life. Highway agencies spend a large amount of time and money annually performing partial-depth spall repairs, both as temporary and permanent fixes. Frequently, the repairs are not made as efficiently as desired or do not perform as long as intended. The primary consequences are added disruption to traffic, more exposure of patching crews to traffic, and additional maintenance expenditures. The purpose of this study, then, was to address the merits and deficiencies of current spall repair materials, designs, and practices. The study evaluated the relative performance of selected patching materials, as well as the effect of selected repair methods. The study also examined repair material properties and tests that correlate well with field performance. This report documents the entire portland cement concrete (PCC) partial-depth spall repair study, including the installation of 30 unique repair types (i.e., combinations of patching material and patching method) at 4 different test sites, the laboratory testing of experimental repair materials, and the 7-year performance monitoring of the various partial-depth repairs. It also discusses the results of comprehensive statistical analyses conducted on material performance and laboratory testing data. The results of a detailed cost-effectiveness analysis are also presented"--Technical report documentation page.
Author : United States. Federal Highway Administration
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (445 download)
Download or read book Key Findings from LTPP Analysis, 1990-1999 written by United States. Federal Highway Administration and published by . This book was released on 2000* with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Long Term Pavement Performance (LTPP) analysis program has addressed a broad array of topics - from field validation of pavement design procedures, to the study of variability in traffic and materials data, to investigating pothole repair techniques. The purpose of this document is to highlight some of the key findings from LTPP analysis studies between 1990 and 1999. These findings have been organized into the following areas: site conditions, structural features, materials, initial roughness, pavement maintenance, pavement rehabilitation, American Association of State Highway and Transportation Officials (AASHTO) design validation, and performance modeling.
Author : Richard N. Stubstad
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (945 download)
Download or read book LTPP Data Analysis written by Richard N. Stubstad and published by . This book was released on 2002 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Good materials and construction practices are vital to producing high quality and long lasting pavements. Quality control and assurance techniques can provide the owner of the roadway the means to ensure that these desired ends are achieved. The objective of this research study is to determine whether the Falling Weight Deflectometer (FWD) can effectively be used to assist in the QC/QA process during pavement construction. The Long Term Pavement Performance (LTPP) study provided the data needed to accomplish this research. LTPP began, in about 1988, as the Strategic Highway Research Program (SHRP), and it included a subset of newly constructed or rehabilitated pavements called the Specific Pavement Studies (SPS). Some of these were targeted at pavement maintenance and rehabilitation, while others were for new construction. New construction was subdivided into three LTPP experiments, one for asphalt concrete (AC) surfaced pavements (SPS-1), one for Portland Cement Concrete (PCC) surfaced pavements (SPS-2), and one for both AC and PCC pavements under the influence of light traffic loads (SPS-8). In each case, several thickness and material designs were developed in an experimental design matrix. These SPS experimental design matrices were constructed under a variety of climatic conditions and material sources in several states. During construction of the SPS-1, -2 and -8 projects, a large number of field and laboratory tests were performed on each structural layer. These tests included densities, moisture contents, layer thickness measurements and others, along with FWD tests conducted at each layer interface. This report shows that the FWD data is of reasonable quality and certainly of sufficient quantity to carry out the research. The traditional test results, although not as extensive as FWD data, were also reasonable and appeared to cover most of the wide variety of pavement designs and construction locations represented by the LTPP/SPS database. Sixteen SPS-1, SPS-2 and SPS-8 test sites (each site represents between 2 and 12 test sections) were utilized for analyses during this research project. These sites represent a wide variety of materials, climates, and construction dates.
