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Evaluation And Modification Of Environmental Conditioning System To Predict The Moisture Susceptibility Of Hot Mix Asphalt Concrete
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Book Synopsis Evaluation and Modification of Environmental Conditioning System to Predict the Moisture Susceptibility of Hot Mix Asphalt Concrete by : Nalini Vemuri
Download or read book Evaluation and Modification of Environmental Conditioning System to Predict the Moisture Susceptibility of Hot Mix Asphalt Concrete written by Nalini Vemuri and published by . This book was released on 1996 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improved Conditioning and Testing Procedures for HMA Moisture Susceptibility by : Mansour Solaimanian
Download or read book Improved Conditioning and Testing Procedures for HMA Moisture Susceptibility written by Mansour Solaimanian and published by Transportation Research Board. This book was released on 2007 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores whether combining the environmental conditioning system with the simple performance test would provide a superior procedure for determining the moisture susceptibility of hot-mix asphalt (HMA).
Book Synopsis Evaluation of Environmental Conditioning System for Predicting Moisture Susceptibility of Asphalt Concrete Mixtures by : V. Tandon
Download or read book Evaluation of Environmental Conditioning System for Predicting Moisture Susceptibility of Asphalt Concrete Mixtures written by V. Tandon and published by . This book was released on 1996 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Comprehensive Evaluation of Environmental Conditioning System by : Vivek Tandon
Download or read book A Comprehensive Evaluation of Environmental Conditioning System written by Vivek Tandon and published by . This book was released on 1996 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many highway agencies face the problem of premature failure of asphalt concrete pavements due to moisture damage. Various laboratory tests have been used to predict the moisture susceptibility of asphalt concrete mixtures. Unfortunately, none of the available laboratory tests are able to accurately discriminate between well and poor performing mixes; that is, the laboratory test results do not necessarily correlate well with the field performance. Recent studies performed under the Strategic Highway Research Program (SHRP) indicate that the environmental conditioning system (ECS) is a device that better simulates the field conditions. Based on the initial studies, the ECS seemed to be able to distinguish moisture susceptible mixes. A study was undertaken at the University of Texas at El Paso (UTEP) to evaluate the ECS. Based on the results from this study, the ECS needs improvements both in terms of conditioning of asphalt concrete mixture, as well as, resilient modulus test setup.
Download or read book Report written by and published by . This book was released on 2007 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Environmental Conditioning System for Predicting Moisture Damage Susceptibility of HMAC by : Vivek Tandon
Download or read book Evaluation of Environmental Conditioning System for Predicting Moisture Damage Susceptibility of HMAC written by Vivek Tandon and published by . This book was released on 2002 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Test Methods to Predict Moisture Damage in Asphalt Concrete by : Bradley J. Bruce
Download or read book Evaluation of Test Methods to Predict Moisture Damage in Asphalt Concrete written by Bradley J. Bruce and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The actual moisture susceptibility of 10 bituminous mixtures placed in the field was compared to the moisture susceptibility that was predicted during the laboratory evaluation of the same mix design. Laboratory mixtures were evaluated using the modified Lottman procedure and the Root-Tunnicliff procedure, in addition to routine moisture susceptibility testing which includes immersion compression testing. After two years, cores were taken from the field projects. The condition of the cores and their present susceptibility to moisture damage were determined by performing modified Lottman and Root-Tunnicliff testing. A feature of the evaluation process was the use of the ACMODAS program to predict the remaining service life of the plant mix cores.
Book Synopsis Evaluation of the Moisture Susceptibility of WMA Technologies by : Amy Epps Martin
Download or read book Evaluation of the Moisture Susceptibility of WMA Technologies written by Amy Epps Martin and published by Transportation Research Board. This book was released on 2014 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) Report 763: Evaluation of the Moisture Susceptibility of WMA Technologies presents proposed guidelines for identifying potential moisture susceptibility in warm mix asphalt (WMA). The report also suggests potential revisions to the Appendix to AASHTO R 35, "Special Mixture Design Considerations and Methods for WMA" as a means to implement the guidelines."--publisher's description
Book Synopsis Asphalt Paving Technology by : Association of Asphalt Paving Technologists
Download or read book Asphalt Paving Technology written by Association of Asphalt Paving Technologists and published by . This book was released on 1998 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses in the Pure and Applied Sciences Accepted by Colleges and Universities of the United States and Canada by :
Download or read book Masters Theses in the Pure and Applied Sciences Accepted by Colleges and Universities of the United States and Canada written by and published by . This book was released on 1996 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hot-mix Asphalt Mixtures written by and published by . This book was released on 1999 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bituminous Binders and Mixes by : L. Francken
Download or read book Bituminous Binders and Mixes written by L. Francken and published by CRC Press. This book was released on 2004-03-01 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of the studies presented in this report is the implementation of rational concepts and testing procedures for the design and manufacture of bituminous materials for applications in pavement construction. Practical test procedures are recommended for binder evaluation, mix design and performance assessment of bituminous materials. The three main topics addressed are binder testing, mix design and mechanical testing of mixtures. Each is examined through interlaboratory tests and there is a literary review of existing practices and methods for the production of polymer modified binders, mixture design and the mechanical properties of mixtures.
Book Synopsis Evaluation of the Environmental Conditioning System as a Water Sensitivity Test for Asphalt Concrete Mixtures by : Wendy L. Allen
Download or read book Evaluation of the Environmental Conditioning System as a Water Sensitivity Test for Asphalt Concrete Mixtures written by Wendy L. Allen and published by . This book was released on 1993 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Environmental Conditioning System (ECS) was designed to evaluate the water sensitivity of asphalt concrete mixtures. The ECS subjects asphalt concrete specimens to a series of conditioning cycles including water flow, elevated and/or lowered temperature, and repeated axial loading. The purpose of this research was to: (1) evaluate the ECS test apparatus and procedure, and (2) determine whether the ECS can identify asphalt concrete mixtures that will perform well, or poorly, in the field with regard to water sensitivity. Twelve primary field test sections were identified. For each section, specimens were prepared in the laboratory using the original mix design (or the mix design identified by extraction), and the original aggregates, asphalts, and admixtures. Specimens were tested using two procedures: the ECS and the Oregon State University (OSU) wheel tracker. Field cores were used to evaluate in-situ mixture performance. Nine additional mixtures that have historically experienced water damage were tested in a limited secondary test program. Analyses were performed to determine the mixture properties that were significant in the prediction of mixture performance in the ECS. Mixture type was consistently the most significant predictor of ECS modulus ratio (change in mixture stiffness), degree of visual stripping, and binder migration, which were the performance indicators for water sensitivity evaluated in the ECS. Additional analysis indicated the existence of correlations among the ECS response variables. Significant correlations were found between the coefficient of water permeability and the degree of visual stripping; and between specimen deformation and the degree of visual stripping and binder migration. Mixture performance was compared between the ECS and the OSU wheel tracker and the field. Results indicate that the ECS test procedure can distinguish the relative performance of mixtures, with regard to water sensitivity, and mixture performance in the ECS correlates well with performance in the OSU wheel tracker. No correlation was found between mixture performance in the ECS and mixture performance in the field for the primary test sections. However, the primary field sections are relatively young, and water damage is expected to manifest itself in the future in those pavements identified as water sensitive by the ECS. The ECS predicted failure in the secondary mixtures which were identified as having had poor performance with regard to water sensitivity.
Book Synopsis Hot-Mix Asphalt Moisture Susceptibility Problems by : EL. Dukatz
Download or read book Hot-Mix Asphalt Moisture Susceptibility Problems written by EL. Dukatz and published by . This book was released on 1989 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of many problems facing the hot-mix asphalt designer, specifier, and producer is how to properly predict the behavior of the asphalt concrete when exposed to moisture. At present, a broad spectrum of accelerated test procedures are available to the engineer that to some degree "predict" the moisture susceptibility of the mix. These procedures include the Lottman, the modified Lottman, and the boiling water stripping test. With the number of procedures available, and with different procedures being specified in different parts of the country, the engineer must answer the question of which procedure best suits the prediction of future performance.
Book Synopsis Assessment of Selected LTPP Material Data Tables and Development of Representative Test Tables by :
Download or read book Assessment of Selected LTPP Material Data Tables and Development of Representative Test Tables written by and published by . This book was released on 2003 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents an evaluation of selected Long Term Pavement Performance (LTPP) material data tables as of January 2000. Issues addressed include the availability, characteristics, and quality of the data in the selected tables. Anomalies in the data were identified and corrected where possible, and the "cleaned-out" data were used in developing representative data tables. Recommendations for adjustments in the current data collection process are also presented
Book Synopsis Suitable Tests and Machine Learning Approach to Predict Moisture Susceptibility of Hot-Mix Asphalt by : Christopher J. DeCarlo
Download or read book Suitable Tests and Machine Learning Approach to Predict Moisture Susceptibility of Hot-Mix Asphalt written by Christopher J. DeCarlo and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study were to determine a suitable set of tests to use with a moisture-conditioning process and to develop a machine learning model to predict the moisture susceptibility of hot mix asphalt. Laboratory-compacted samples of 17 plant-produced mixes with known field performance were subjected to mechanical tests before and after moisture conditioning with the moisture-induced stress tester (MiST). Statistical analysis showed that seismic modulus and indirect tensile strength were effective in distinguishing the poor-performing mixes from the well-performing mixes. Principal component analysis was conducted on the test data, and a reduced set of dimensions that were capable of explaining much of the variance in the data was identified. The significant test properties were used to develop machine learning models with two supervised classification approaches. The k-nearest neighbor model was found to be very accurate in differentiating the mixes. The use of MiST conditioning, the specified physical tests, and machine learning methods is recommended for the identification of moisture-susceptible hot-mix asphalt.
Book Synopsis Bituminous Paving Mixtures 2004 by : National Research Council (U.S.). Transportation Research Board
Download or read book Bituminous Paving Mixtures 2004 written by National Research Council (U.S.). Transportation Research Board and published by . This book was released on 2004 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: