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Pack: Book and CDInternationally, full-scale accelerated pavement testing, either on test roads or linear/circular test tracks, has proven to be a valuable tool that fills the gap between models and laboratory tests and long-term experiments on in-service pavements. Accelerated pavement testing is used to improve understanding of pavement behavior,
"TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 433: Significant Findings from Full-Scale Accelerated Pavement Testing documents and summarizes significant findings from the various experimental activities associated with full-scale accelerated pavement testing (f-sAPT) programs that have taken place between 2000 and 2011. The report also identifies gaps in knowledge related to f-sAPT and where future research may be needed. NCHRP Synthesis 433 is designed to expand the f-sAPT base of knowledge documented in NCHRP Syntheses 325 and 235, both with the same title of Significant Findings from Full-Scale Accelerated Pavement Testing. f-sAPT is the controlled application of a wheel loading, at or above the appropriate legal load limit, to a pavement system to determine pavement response in a compressed time period. The acceleration of damage is achieved by one or more of the following factors: increased repetitions, modified loading conditions, imposed climatic conditions, and thinner pavements with a decreased structural capacity which have shorter design lives"--
This synthesis, which describes the state of the practice for full- scale accelerated pavement testing (APT), will be of interest to state department of transportation (DOT) pavement design and materials engineers; DOT research staff, including field and laboratory materials testing personnel; and private industry APT equipment suppliers. State DOT administration and management personnel will have a particular interest in the application of APT results toward more efficient and effective pavement designs. Local transportation agencies may also have an interest in the topic. This synthesis reviews the capabilities and limitations of the major APT facilities available worldwide and describes the role and application of full-scale accelerated pavement testing in the development of pavement technology. This report of the Transportation Research Board (TRB) presents data obtained from a review of the literature and a survey of the state DOTs, Canadian transportation agencies, and international organizations. A brief historical overview of APT, a discussion of the application of APT to research, and the application of APT to practice are included. Profiles of APT facilities throughout the world are included in an appendix.
This compendium gathers the latest advances in the area of Accelerated Pavement Testing (APT), a means of testing full-scale pavement construction in an accelerated manner for structural deterioration in a very short term. Compiling novel research results presented at the 5th International Conference on Accelerated Pavement Testing, San Jose, Costa Rica, the volume serves as a timely and highly relevant resource for materials scientists and engineers interested in determining the performance of a pavement structure during its service life (10+ years) in a few weeks or months.
This volume gathers the latest advances, innovations, and applications in the field of accelerated pavement testing (APT), presented at the 6th International Conference on Accelerated Pavement Testing, in Nantes, France, in April 2022. Discussing APT, which involves rapid testing of full-scale pavement constructions for structural deterioration, the book covers topics such as APT facilities, APT of asphalt concrete and sustainable/innovative materials, APT for airfield pavements, testing of maintenance and rehabilitation solutions, testing of smart and multi-functional pavements, data analysis and modeling, monitoring and non-destructive testing, and efficient means of calibrating/developing pavement design methods. Featuring peer-reviewed contributions by leading international researchers and engineers, the book is a timely and highly relevant resource for materials scientists and engineers interested in determining the performance of pavement structures during their service life (10+ years) in a few weeks or months.
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 325: Significant Findings from Full-Scale Accelerated Pavement Testing documents and summarizes the findings from the various experimental activities associated with full-scale accelerated pavement testing programs.
This report describes CTR Study 1246, which proved to be very dynamic, in that the initial objectives were not only met, but they were followed up by new objectives. This was due to decisions taken by the project steering committee during the execution of the project. Following initial exploratory studies in 1988, the Texas SDHPT initiated the present study through which a strategy for the acquisition of a mobile accelerated pavement testing device had to be developed. Initially, the study focussed on the feasibility of accelerated testing and the need for it in Texas. As part of the initial study, the relationship of accelerated testing to overall pavement engineering was reviewed in detail. Once the feasibility had been illustrated, the objectives were redirected to the acquisition of a mobile accelerated pavement device. The different available methods and machines were evaluated, and subsequently the Mobile Load Simulator (MLS) was selected for future application on pavements in the state of Texas.
This study was conducted to evaluate the effectiveness of using accelerated pavement testing (APT) techniques to improve the efficiency and timelines of current pavement research activities. The report provides information on anticipated costs, resource needs and logistics, and recommendations for equipment selection, partnerships and implementation of an AZAPT program. The framework for a strategic research plan for an AZAPT program is also provided.