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Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (1 download)
Download or read book LTPP Analysis written by and published by . This book was released on 1999 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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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.
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Publisher : DIANE Publishing
ISBN 13 : 1428995684
Total Pages : 274 pages
Book Rating : 4.4/5 (289 download)
Download or read book Backcalculation of layer parameters for LTPP test sections written by and published by DIANE Publishing. This book was released on with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (1 download)
Download or read book LTPP Beyond FY 2009 written by and published by . This book was released on 2009 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report summarizes the current status of the Long-Term Pavement Performance (LTPP) program and its major activities -- data collection, data storage, data analysis, and product development. It describes the work that will be needed beyond 2009 to realize the full potential of the world's most comprehensive pavement performance database and the benefits that will be accrued by capitalizing on the investment that has been made"--Page 2 of cover.
Author : Harold L. Von Quintus
Publisher : DIANE Publishing
ISBN 13 : 1428995366
Total Pages : 146 pages
Book Rating : 4.4/5 (289 download)
Download or read book Back-calculation of Layer Parameters for LTPP Test Sections written by Harold L. Von Quintus and published by DIANE Publishing. This book was released on 2002 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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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:
Author : C. E. Zapata
Publisher : Transportation Research Board
ISBN 13 : 0309099293
Total Pages : 73 pages
Book Rating : 4.3/5 (9 download)
Download or read book Calibration and Validation of the Enhanced Integrated Climatic Model for Pavement Design written by C. E. Zapata and published by Transportation Research Board. This book was released on 2008 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report summarizes the results of research to evaluate, calibrate, and validate the Enhanced Integrated Climatic Model (EICM) incorporated in the original Version 0.7 (July 2004 release) of the Mechanistic-Empirical Pavement Design Guide (MEPDG) software with measured materials data from the Long-Term Pavement Performance Seasonal Monitoring Program (LTPP SMP) pavement sections. The report further describes subsequent changes made to the EICM to improve its prediction of moisture equilibrium for granular bases. The report will be of particular interest to pavement design engineers in state highway agencies and industry ..."--Foreword.
Author : Gonzalo Rada
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.E/5 ( download)
Download or read book SHRP-LTPP Monitoring Data written by Gonzalo Rada and published by . This book was released on 1994 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes the LTPP monitoring data collection activities for inclusion in the National Pavement Performance Database. The pavement condition monitoring data include identification of surface distress, profile measurements, deflection testing results, and surface friction measurements. The report also describes traffic, climate, maintenance, rehabilitation, and seasonal monitoring and data collection. Other results and products of the 5-year pavement condition monitoring activity are listed.
Download or read book Public Roads written by and published by . This book was released on 2012 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (1 download)
Download or read book LTPP Seasonal Monitoring Program written by and published by . This book was released on 1994 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report describes the operation theory, installation procedures and operation guidelines for instrumentation selected to monitor changes in internal pavement moisture and thermal regimes, frost/thaw conditions, and external climate at test sections in the long-term pavement performance seasonal monitoring study. The instrumentation includes time domain reflectometry to measure moisture content of unbound materials, thermistor sensors to measure pavement temperature gradients and air temperature, electrical resistivity probes to measure frost locations, a piezometer to measure the depth of ground water table and tipping-bucket rain gauge to measure precipitation. These measurements of the external climate and the resulting changes in the pavement material will be coupled with monthly or more frequent deflection measurements, seasonal roughness measurements, elevation profile and distress surveys to study the cause and effects of seasonal changes in pavement structural response"--Technical report documentation page
Author : William O. Hadley
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.E/5 ( download)
Download or read book SHRP-LTPP Materials Characterization written by William O. Hadley and published by . This book was released on 1994 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Strategic Highway Research Program (SHRP) developed two materials characterization programs: one for field sampling, and another for laboratory testing. The SHRP field materials sampling and laboratory materials testing program encompassed all 50 states; 10 Canadian provinces; and Puerto Rico. This report documents the development and execution of these programs for both the General Pavement Studies (GPS) and the Specific Pavement Studies (SPS). These topics are described separately here, although they are linked inherently. Suggestions are given for future materials characterization within the Long-Term Pavement Performance program as it continues under the Federal Highway Administration.
Author : William O. Hadley
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.E/5 ( download)
Download or read book SHRP-LTPP General Pavement Studies written by William O. Hadley and published by Strategic Highway Research Program (Shrp). This book was released on 1994 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The General Pavement Studies (GPS) examine selected in-service pavements and compile data to form a comprehensive national pavement performance database that meets the objectives of the Strategic Highway Research Program's Long-Term Pavement Performance (SHRP-LTPP) project. The purpose of this report is to document the development, evolution, and current status of GPS. Data collection criteria were developed for each of the various data elements in GPS, including traffic, skid resistance, deflection, profile, distress, environment, material properties, and climate. Some data were collected by states, others by the SHRP regional offices.
Author : Leslie Titus-Glover
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.3/5 (91 download)
Download or read book Assessment of LTPP Friction Data written by Leslie Titus-Glover and published by . This book was released on 1999 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A major goal of the Long-Term Pavement Performance (LTPP) study is the development of recommendations for improving the design and construction of new and rehabilitated pavements to make them longer lasting. As part of the condition monitoring of the LTPP test sections, friction data are being collected on a regular basis at each test site. Friction data collection is the responsibility of the specific highway agency under whose jurisdiction the pavements are located. - The LTPP data collection guidelines for friction data recommend using the ASTM E-274 (AASHTO T242) procedure as the preferred method for obtaining data. The ASTM E-274 procedure uses a locked-wheel skid tester In a trailer assembly. Friction test results are reported as Skid Numbers (SN's). 15. Supplementary Notes This report provides an assessment of the availability, characteristics, and quality of the friction data collected as part of the LTPP study. Also, the availability of related pavement characteristics data was assessed. The report also contains recommendations for adjustments and refinements to current procedures for the collection of friction and related data. The LTPP database provides a one-stop source of reasonably good friction data collected in a systemic manner from a wide range of pavements subjected to a wide range of traffic loading and environmental conditions. The friction data will be of use for analyzing why some pavement surfaces retain good friction characteristics with time and why some surfaces show rapid deterioration in friction over time"--Technical report documentation page.
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Publisher :
ISBN 13 :
Total Pages : 266 pages
Book Rating : 4.3/5 (555 download)
Download or read book LTPP Computed Parameter written by and published by . This book was released on 2011 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lynn D. Evans
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.:/5 (1 download)
Download or read book LTPP Profile Variability written by Lynn D. Evans and published by . This book was released on 2000 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Long Term Pavement Performance (LTPP) program has been collecting profile and International Roughness Index (IRI) information from more than 2,062 test sections since 1989 using K.J. Law 690DNC optical sensor Profilometers. Analysis of the IRI data has been limited, but with the increasing distribution of the LTPP DataPave software, this data is seeing increasing use. In an effort to confirm the quality of LTPP IRI data in the Information Management System (IMS) database and to document its variability, LTPP initiated an analysis of IRI variability in September 1997. This report documents the results of that study.
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 : John L. German
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (1 download)
Download or read book SHRP-LTPP Traffic Data Collection and Analysis written by John L. German and published by Strategic Highway Research Program (Shrp). This book was released on 1994 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides a summary of the Strategic Highway Research Program's Long-Term Pavement Performance (SHRP-LTPP) 5-year effort to better understand traffic's effect on pavement performance. The report also reviews the traffic data collection program over a 4-year period. It provides a connection with the reports and publications issued during the period by providing an extensive reference list.
