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Author : Yong-Rak Kim
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (859 download)
Download or read book Implementation of Warm-mix Asphalt Mixtures in Nebraska Pavements written by Yong-Rak Kim and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ingryd Pinto
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (66 download)
Download or read book Moisture Sensitivity of Hot-mix Asphalt (HMA) Mixtures in Nebraska written by Ingryd Pinto and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Transportation Research Board
ISBN 13 : 0309155649
Total Pages : 285 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Manual for Design of Hot Mix Asphalt with Commentary written by and published by Transportation Research Board. This book was released on 2011 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jun Zhang (Of Texas A & M Transportation Institute)
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (72 download)
Download or read book Effects of Warm-mix Asphalt Additives on Asphalt Mixture Characteristics and Pavement Performance written by Jun Zhang (Of Texas A & M Transportation Institute) and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ramon Francis Bonaquist
Publisher : Transportation Research Board
ISBN 13 : 0309155592
Total Pages : 111 pages
Book Rating : 4.3/5 (91 download)
Download or read book Mix Design Practices for Warm Mix Asphalt written by Ramon Francis Bonaquist and published by Transportation Research Board. This book was released on 2011 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 691: Mix Design Practices for Warm-Mix Asphalt explores a mix design method tailored to the unique material properties of warm mix asphalt technologies. Warm mix asphalt (WMA) refers to asphalt concrete mixtures that are produced at temperatures approximately 50°F (28°C) or more cooler than typically used in the production of hot mix asphalt (HMA). The goal of WMA is to produce mixtures with similar strength, durability, and performance characteristics as HMA using substantially reduced production temperatures. There are important environmental and health benefits associated with reduced production temperatures including lower greenhouse gas emissions, lower fuel consumption, and reduced exposure of workers to asphalt fumes. Lower production temperatures can also potentially improve pavement performance by reducing binder aging, providing added time for mixture compaction, and allowing improved compaction during cold weather paving. Appendices to NCHRP Report 691 include the following. Appendices A, B, and D are included in the printed and PDF version of the report. Appendices C and E are available only online.
Author : Yong K. Cho
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.3/5 (555 download)
Download or read book Infrared Thermography-driven Flaw Detection and Evaluation of Hot Mix Asphalt Pavements written by Yong K. Cho and published by . This book was released on 2010 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research was conducted to study more realistic explanations of how variables are created and dealt with during hot mix asphalt (HMA) paving construction.--P. ii.
Author : United States. Federal Highway Administration. Implementation Division
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.3/5 ( download)
Download or read book FHWA Research, Development and Technology Implementation Catalog written by United States. Federal Highway Administration. Implementation Division and published by . This book was released on 1984 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (932 download)
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:
Author : United States. Federal Highway Administration. Office of Implementation
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (1 download)
Download or read book FHWA Research, Development, and Technology Implementation Catalog written by United States. Federal Highway Administration. Office of Implementation and published by . This book was released on 1984 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Randy Clark West
Publisher : Transportation Research Board
ISBN 13 : 0309259134
Total Pages : 162 pages
Book Rating : 4.3/5 (92 download)
Download or read book Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content written by Randy Clark West and published by Transportation Research Board. This book was released on 2013 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 752: Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content describes proposed revisions to the American Association of State Highway and Transportation Officials (AASHTO) R 35, Superpave Volumetric Design for Hot Mix Asphalt, and AASHTO M 323, Superpave Volumetric Mix Design, to accommodate the design of asphalt mixtures with high reclaimed asphalt pavement contents.
Author : Taesun You
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.:/5 (956 download)
Download or read book Evaluation of Thin Asphalt Overlay Practice Preserving Nebraska’s Asphalt Pavements written by Taesun You and published by . This book was released on 2015 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This study examined the current thin asphalt overlay practices implemented in Nebraska. To that end, the mechanical properties and performance characteristics of the two mixtures (i.e., SLX and SPH) were compared by carrying out laboratory tests such as dynamic modulus test, dynamic creep test, static creep-recovery test, semi-circular bending test, and Hamburg wheel tracking test. The laboratory test results were also used to characterize the material properties for pavement performance prediction simulation. Structural performance analysis was conducted using the MEPDG and finite element method in order to compare the pavement structures with the two different mixtures (i.e., SLX and SPH). In addition, a life-cycle cost analysis (LCCA) was performed to compare the economic benefits associated with the thin-lift overlay to the conventional overlay practice. This provided insights into how the thin asphalt overlay with the SLX mixture behaved compared to the previous practice, which replaced the old asphalt with the SPH mixture. Laboratory results clearly showed that the SLX mixture behaved similarly to the SPH mixture in terms of mixture stiffness, rutting potential, and cracking resistance. However, the Hamburg wheel tracking test found that the SLX mixture had greater moisture susceptibility, a result that requires more investigation. Pavement performance simulation results from finite element analysis showed that the rutting and cracking potential of the pavement with SLX thin overlay mixture was lower than the pavement with SPH mixture. MEPDG simulations predicted that both pavements would perform satisfactorily during their expected design life, but the LCCA indicated that the practice of using the thin SLX preservation technique can reduce both the agency’s and user’s costs compared to the conventional SPH rehabilitation practice. Both performance prediction results need to be compared to actual field performance data. Only one-year field performance is available to date, which needs to be continuously monitored to judge how both pavement structures perform" (page i).
Author : Clark Graves
Publisher :
ISBN 13 :
Total Pages : 45 pages
Book Rating : 4.:/5 (93 download)
Download or read book Regional Implementation of Warm Mix Asphalt written by Clark Graves and published by . This book was released on 2014 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Farzad Yazdipanah
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (144 download)
Download or read book Nebraska Balanced Mix Design - Phase I written by Farzad Yazdipanah and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Balanced mix design (BMD) is an alternative concept for designing asphalt mixtures that mainly focuses on performance of mixtures rather than only volumetric analysis. Using this concept, it would be possible to account for the incorporation of recycled asphalt mixtures, warm technology, polymers, rejuvenators, and other foreign additives, as well as external effective factors on the mix design such as environmental effects. This project sought to investigate performance-based methodologies for the asphalt mix design by taking a step to develop a preliminary Nebraska BMD framework. With that, selection of appropriate performance tests, finding a functional laboratory aging protocol, and defining performance test criteria were the main long-term goals developed in this phase of study. To this end, three main types of distresses were taken into consideration (rutting, fatigue cracking, and moisture susceptibility), and a set of performance tests including well-established tests (Hamburg Wheel Track (HWT), Illinois Flexibility Index Test (I-FIT), Tensile Strength Ration (TSR)) and surrogate tests (IDEAL-RT, HT-IDT, G-stability, IDEAL-CT) were selected to capture these distresses on two types of high-performance commonly used asphalt mixtures in Nebraska (SLX and SPR). For the fatigue cracking analysis, long-term aging conditioning was conducted using two common aging protocols (NCHRP 09-54 and NCAT). Three types of data were utilized in this study including laboratory performance test results for the lab-compacted and field core specimens, as well as field data based on pavement surface condition monitoring. The validity of the surrogate performance tests was accomplished not only by correlating the field core results with field condition data, but also with correlating every individual surrogate test result to that of a well-established test. Further, the sensitivity, practicality, cost-effectiveness, and variability of different tests were assessed using statistical
Author : A.F. Nikolaides
Publisher : CRC Press
ISBN 13 : 1040147089
Total Pages : 999 pages
Book Rating : 4.0/5 (41 download)
Download or read book Bituminous Mixtures and Pavements VIII written by A.F. Nikolaides and published by CRC Press. This book was released on 2024-06-21 with total page 999 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bituminous Mixtures and Pavements VIII contains 114 papers as presented at the 8th International Conference ‘Bituminous Mixtures and Pavements’ (8th ICONFBMP, 12-14 June 2024, Thessaloniki, Greece). The contributions reflect the research and practical experience of academics and practicing engineers from thirty-four (34) different countries, and cover a wide range of topics: Session I: Bitumen, Modified binders, Aggregates, and Subgrade Session II: Bituminous mixtures (Design, Construction, Testing, Performance) Session III: Pavements (Design, Construction, Maintenance, Sustainability, Energy and Environmental consideration) Session IV: Pavement management and Geosynthetics Session V: Pavement recycling Session VI: Pavement surface characteristics, Pavement performance monitoring, Safety Session VII: Biomaterials in pavement engineering Session VIII: Prediction models of pavement performance Bituminous Mixtures and Pavements VIII covers recent advances in highway materials technology and pavement engineering, and will be of interest to scientists and professionals involved or interested in these areas. The ICONFBMP-conferences have been organized every four years since 1992. This 8th conference was jointly organized by: Laboratory of Highway Engineering, Aristotle University of Thessaloniki, Greece; Built Environment Research Institute (BERI), University of Ulster, UK; University of Texas San Antonio (UTSA), USA; Laboratory for Advanced Construction Technology (LACT), Technological Institute of Iowa, USA; Technological University of Delft (TUDelft), The Netherlands, and University of Antwerp, (UA), Belgium.
Author : Minki Hong
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (298 download)
Download or read book Effects of Hot Mix Asphalt (HMA) Mixture Characteristics on Asphalt Pavement Analyzer (APA) Test Results written by Minki Hong and published by . This book was released on 2008 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Louay Mohammad
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (14 download)
Download or read book Evaluation of Warm Mix Asphalt Technology in Flexible Pavements written by Louay Mohammad and published by . This book was released on 2018 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ala R. Abbas
Publisher :
ISBN 13 :
Total Pages : 125 pages
Book Rating : 4.:/5 (871 download)
Download or read book Determining the Limitations of Warm Mix Asphalt by Water Injection in Mix Design, Quality Control and Placement written by Ala R. Abbas and published by . This book was released on 2013 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this project, a comprehensive study was conducted to evaluate the laboratory performance of foamed WMA mixtures with regard to permanent deformation, moisture-induced damage, fatigue cracking, and low-temperature (thermal) cracking; and compare it to traditional HMA. In addition, the workability of foamed WMA and HMA mixtures was evaluated using a new device that was designed and fabricated at the University of Akron, and the compactability of both mixtures was examined by analyzing compaction data collected using the Superpave gyratory compactor. The effect of the temperature reduction, foaming water content, and aggregate moisture content on the performance of foamed WMA was also investigated. Furthermore, the rutting performance of plant-produced foamed WMA and HMA mixtures was evaluated in the Ohio University (OU) Accelerated Pavement Load Facility (APLF), and the long-term performance of pavement structures constructed using foamed WMA and HMA surface and intermediate courses was analyzed using the Mechanistic-Empirical Pavement Design Guide (MEPDG). The laboratory test results revealed comparable resistance to permanent deformation, moisture-induced damage, and fatigue cracking for foamed WMA and HMA mixtures. However, the HMA mixtures had significantly higher ITS values at 14°F (-10°C) and comparable failure strains to the foamed WMA mixtures, which indicates that the traditional HMA mixtures have better resistance to low-temperature (thermal) cracking. The laboratory tests conducted to evaluate the effect of the temperature reduction, foaming water content, and aggregate moisture content revealed that the performance of foamed WMA mixtures prepared using 30°F (16.7°C) temperature reduction, 1.8% foaming water content, and fully dried aggregates was comparable to that of the HMA mixtures. However, reducing the production temperature of foamed WMA resulted in increased susceptibility to permanent deformation and moisture-induced damage. In addition, producing foamed WMA using moist aggregates resulted in inadequate aggregate coating leading to concerns with regard to long-term durability. Increasing the foaming water content (up to 2.6% of the weight of the asphalt binder) did not seem to have a negative effect on the rutting performance or moisture sensitivity of the foamed WMA. The rut depth measurements obtained at the OU APLF confirmed the laboratory APA test results. It was found through these tests that the foamed WMA mixtures have comparable rutting resistance to the HMA mixtures. Finally, the long-term pavement performance predictions obtained using the MEPDG showed comparable service lives for pavement structures constructed using foamed WMA and HMA surface and intermediate mixtures.
