Long-Term Pavement Performance (LTPP) Program Specific Pavement Studies (SPS) PDF Download
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Author: Gonzalo R. Rada
Publisher:
ISBN:
Category :
Languages : en
Pages : 306
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Book Description
Pavement preservation represents a proactive approach to maintaining and extending the lives of existing highway pavements. At the heart of the preservation decision-making process is pavement performance. This report documents the recommended experimental design for the LTPP SPS-11 Asphalt Concrete (AC) Pavement Preservation Study as well as the various elements required for its successful implementation. However, the recommended experiment will not be implemented under the LTPP program, but the experiment and this project report can be adopted and adapted by interested highway agencies to achieve the stated benefits, and consequently the impetus for publication of the report. The underlying concept of the experiment is to apply the same preservation treatment, at different times, on the same pavement structure to determine the effectiveness of a single application of a treatment as a function of pavement condition and time. This experiment is designed to answer the question on when is the best time to apply a preservation treatment on AC pavements. It will also enable development and implementation of important pavement preservation products and tools, such as addition of pavement preservation considerations to the AASHTO Mechanistic-Empirical Pavement Design Guide and associated software.
Author: Gonzalo R. Rada
Publisher:
ISBN:
Category :
Languages : en
Pages : 306
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Book Description
Pavement preservation represents a proactive approach to maintaining and extending the lives of existing highway pavements. At the heart of the preservation decision-making process is pavement performance. This report documents the recommended experimental design for the LTPP SPS-11 Asphalt Concrete (AC) Pavement Preservation Study as well as the various elements required for its successful implementation. However, the recommended experiment will not be implemented under the LTPP program, but the experiment and this project report can be adopted and adapted by interested highway agencies to achieve the stated benefits, and consequently the impetus for publication of the report. The underlying concept of the experiment is to apply the same preservation treatment, at different times, on the same pavement structure to determine the effectiveness of a single application of a treatment as a function of pavement condition and time. This experiment is designed to answer the question on when is the best time to apply a preservation treatment on AC pavements. It will also enable development and implementation of important pavement preservation products and tools, such as addition of pavement preservation considerations to the AASHTO Mechanistic-Empirical Pavement Design Guide and associated software.
Author: Jerome F. Daleiden
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 248
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Book Description
This report documents the early observations from the Long-Term Pavement Performance (LTPP) Specific Pavement Studies (SPS) conducted as part of the LTPP Program Data Insight, which was conducted to identify initial findings from the test sections established for this program. Comparisons of performance trends were made to evaluate both the distinctions between the various rehabilitation treatments and the performance of the individual treatments themselves based on their condition prior to the treatment. Most of the rehabilitation strategies are still performing adequately after 3 to 4 years of service, as should be expected.
Author: Peter N. Schmalzer
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 228
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Book Description
This report summarizes the activities and accomplishments of the Long-Term Pavement Performance (LTPP) program Materials Action Plan (MAP). The MAP was initiated in August 2004 to improve the extent and amount of materials data to characterize the pavement structure of test sections at LTPP Specific Pavement Study (SPS) -1, -2, -5, -6, and -8 experimental sites. The success of the MAP can be attributed to the cooperation and efforts of participating highway agencies, leadership of the Federal Highway Administration (FHWA) LTPP team, and technical input from LTPP's Transportation Research Board Committee and Expert Task Groups. The MAP was also supported by the efforts of the FHWA LTPP team of technical services, regional support, and laboratory contractors. Through this effort, the amount and quality of available materials data greatly increased. Data from tests not previously performed were added, results from aging materials tests were obtained, corrections were made to some pavement structure information from new field investigations, and to the extent possible, previous data deficiencies were corrected. This report documents the planning, execution, and outcomes of this highly successful activity.
Author:
Publisher: DIANE Publishing
ISBN: 1428995234
Category :
Languages : en
Pages : 172
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Book Description
Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 66
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Book Description
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: William O. Hadley
Publisher: National Research Council
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 340
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Book Description
This report provides an overview of the first 5 years of the Strategic Highway Research Program Long-Term Pavement Performance (SHRP-LTPP) program. The background, LTPP history, activities and approaches, and decision-making processes of the program are detailed. Included are summaries of the studies initiated for general and specific pavement types, the characterization of pavement materials, monitoring activities, the LTPP database and Information Management System, data analysis, traffic data collection and analysis, as well as a summary of the contributions made by international participants. The general LTPP program is described and the expected results, products, and benefits are also outlined.
Author: Mahesh Agurla
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 159
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Book Description
Author:
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 20
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Book Description
"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:
Publisher:
ISBN:
Category : Pavements, Flexible
Languages : en
Pages : 75
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Book Description
Author: Jason Puccinelli
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 176
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Book Description
As part of the Long Term Pavement Performance (LTPP) Program, the Arizona Department of Transportation (ADOT) constructed 19 Specific Pavement Studies 6 (SPS-6) test sections on Interstate 40 near Flagstaff. The SPS-6 project studied the effect of specific rehabilitation treatments on jointed portland cement concrete pavement (JPCP) performance. The test sections had various JPCP surface preparations, including crack and seat, minimum and maximum restoration, rubblization, asphalt concrete (AC) with fabric, and asphalt rubber with conventional AC. Opened to traffic in 1991, the project was monitored at regular intervals until 2002. Surface distress, profile, and deflection data collected throughout the life of the pavement were used to evaluate the performance of various flexible pavement design features, layer configurations, and thickness. This report documents the analyses conducted as well as practical findings and lessons learned that will be of interest to ADOT.
