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Tracking And Bonding Performance Of Commonly Used Tack Coat Materials
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Book Synopsis Tracking and Bonding Performance of Commonly Used Tack Coat Materials by : Abu Ahmed Sufian
Download or read book Tracking and Bonding Performance of Commonly Used Tack Coat Materials written by Abu Ahmed Sufian and published by . This book was released on 2020 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Asphalt emulsion is the most widely used tack (bond) coat material in the United States. The effectiveness of this critical bonding material is significantly dependent on limiting tracking by construction traffic and on the stiffness of residue from emulsions. The main objective of this study is to investigate factors that may affect the tracking performance and bond shear strength of asphalt emulsion tack coats. The effects of emulsion type, residual application rate, temperature, and surface texture on the tracking and bonding performance of different tack coats were investigated using a loaded wheel tracking test (LWTT) and the Interlayer Shear Strength (ISS) Test, respectively. Results show that the tracking performance of the tack coat is mainly dependent on the rheological properties of the residue and that the LWTT test can be a reliable way of direct measurement of tracking propensity. Interlayer shear bonding study was performed for both laboratory and field compacted samples. Results of the bonding study demonstrate that there is a direct relationship between the roughness (texture) of the existing surface and the interlayer shear strength between two surfaces and that even when no tack coat is used in the interface, considerably high shear strength is measured in the lab. The results with emulsions, however, showed that there could be an effect of the rheology of the emulsion residue when very stiff base asphalt is used for emulsion production. Comparing field cores with laboratory produced samples showed no clear relationship between the shear strength of laboratory and field specimens. It is speculated that the difference in compaction of the upper layers in the lab and field, and the effect of coring samples from the field made laboratory shear values always higher than field cores' values. Findings from the Interlayer Shear Strength study questions the value of shear testing on lab prepared samples, while the findings from the tracking study can be used to modify the exiting tack coat specifications and allow better handling of tracking and timeliness of opening for traffic during construction.
Book Synopsis Bond Expectations for Milled Surfaces and Typical Tack Coat Materials Used in Virginia by : Kevin K. McGhee
Download or read book Bond Expectations for Milled Surfaces and Typical Tack Coat Materials Used in Virginia written by Kevin K. McGhee and published by . This book was released on 2009 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ultimate purpose of the program of research of which this study was a part is to identify a test method and acceptance criteria for bonding of HMA layers. In this study, three tasks were performed to help achieve that purpose: a laboratory comparison of the bond strength of typical tack materials; a field study of the effect of tack on bond strength between a new HMA overlay and a milled surface; a laboratory investigation of a torque-shear field test to measure bond performance. The findings from these tasks led to several recommendations. The most substantial of the recommendations was that the Virginia Department of Transportation (VDOT) should no longer require the practice of tacking primary horizontal surfaces when placing a new overlay on a milled surface. Further, field engineers and inspectors should remain diligent when it comes to establishing a clean, sound construction platform for any overlay work. Finally, although laboratory tests were inclusive, the torque-shear device should be field tested, with particular emphasis on exposing the test to more realistic conditions. An analysis of the costs associated with conventional tack use found that the material cost per lane-mile is between $572 and $836. A review of the typical "mill and fill" paving activity (maintenance) for the 2008 season found that VDOT would save between $488,000 and $650,000 per year by foregoing conventional tacking on milled horizontal surfaces. If the tacking material is of the non-tracking variety, which is becoming more and more common, the savings could be as much as $950,000 per year.
Book Synopsis Trackless Tack Coat Materials by : Trenton M. Clark
Download or read book Trackless Tack Coat Materials written by Trenton M. Clark and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to develop, demonstrate, and document laboratory procedures that could be used by the Virginia Department of Transportation (VDOT) to evaluate non-tracking tack coat materials. The procedures would be used to qualify candidate material formulations for field validation. The procedures were developed and were demonstrated through an evaluation of five "trackless" tacking materials and two conventional tacking materials. The evaluation demonstrated that the trackless materials outperformed the conventional materials in the laboratory tracking test and in the bond performance tests for tensile and shear strength. The study recommends that VDOT formalize the described laboratory procedures to produce a Virginia Test Method to qualify candidate non-tracking tack coat materials for field verification. It further recommends that VDOT formalize the field verification system and includes general direction on the elements to include in that process. This work is part of a program of research designed to support a move to performance-oriented specifications for the interlayer bond for pavement construction. The non-tracking tack coat materials investigated in this study are expected to facilitate the improved performance of this bond and, as a consequence, the pavement system as a whole. This work supports an anticipated incremental improvement to an annual asphalt concrete program that is worth between $200 million and $400 million per year (not including new construction). When applied to investments on this scale, even nominal improvements easily translate into considerable savings.
Book Synopsis An Introduction to Tack Coat for Pavement by : J. Paul Guyer, P.E., R.A.
Download or read book An Introduction to Tack Coat for Pavement written by J. Paul Guyer, P.E., R.A. and published by Guyer Partners. This book was released on 2019-09-30 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for civil engineers and construction managers interested in tack coats for street and highway pavements. Here is what is discussed: 1. INTRODUCTION 2. LITERATURE REVIEW: THE IMPORTANCE OF TACK COATS 3. STRUCTURAL DESIGN 4. TACK COAT COSTS 5. TACK COAT MATERIALS 6. TACK COAT BEST PRACTICES 7. APPLICATION CALCULATIONS 8. CONTRACT LANGUAGE 9. CONCLUSION. 10. REFERENCES.
Book Synopsis An Introduction to Pavement Engineering, Volume 2 by : J. Paul Guyer, P.E., R.A.
Download or read book An Introduction to Pavement Engineering, Volume 2 written by J. Paul Guyer, P.E., R.A. and published by Guyer Partners. This book was released on 2019-10-02 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for civil engineers and construction managers interested in design and construction of pavement for streets and highways. This guidance comes in two volumes. This volume contains the following: 15. PERFORMANCE PROBLEMS WITH PAVEMENTS 1 16. CONSOLIDATION, FINISHING AND CURING PORTLAND CEMENT CONCRETE PAVING 17. CONSTRUCTION AND CONTRACTION JOINTS IN PORTLAND CEMENT CONCRETE PAVEMENT 18. MATERIALS, PRODUCTION AND MIXING FOR PORTLAND CEMENT PAVEMENT 19. PERMEABLE CONCRETE PAVEMENT 20. REINFORCEMENT AND LOAD TRANSFER FOR PORTLAND CEMENT CONCRETE PAVEMENT 21. ELASTIC LAYERED METHODS OF PORTLAND CEMENT CONCRETE OVERLAY PAVEMENT DESIGN165 22. RESIN MODIFIED PAVEMENT 23. RIGID PAVEMENT DESIGN 24. REPAIR OF RIGID PAVEMENTS 25. SOIL STABILIZATION FOR PAVEMENTS 26. CONSTRUCTION METHODS FOR SOIL STABILIZED PAVEMENTS 27. TACK COAT FOR PAVEMENT.
Book Synopsis AASHTO Provisional Standards by : American Association of State Highway and Transportation Officials
Download or read book AASHTO Provisional Standards written by American Association of State Highway and Transportation Officials and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Materials and Pavement Performance Prediction II by : K. Anupam
Download or read book Advances in Materials and Pavement Performance Prediction II written by K. Anupam and published by CRC Press. This book was released on 2020-12-08 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inspired from the legacy of the previous four 3DFEM conferences held in Delft and Athens as well as the successful 2018 AM3P conference held in Doha, the 2020 AM3P conference continues the pavement mechanics theme including pavement models, experimental methods to estimate model parameters, and their implementation in predicting pavement performance. The AM3P conference is organized by the Standing International Advisory Committee (SIAC), at the time of this publication chaired by Professors Tom Scarpas, Eyad Masad, and Amit Bhasin. Advances in Materials and Pavement Performance Prediction II includes over 111 papers presented at the 2020 AM3P Conference. The technical topics covered include: - rigid pavements - pavement geotechnics - statistical and data tools in pavement engineering - pavement structures - asphalt mixtures - asphalt binders The book will be invaluable to academics and engineers involved or interested in pavement engineering, pavement models, experimental methods to estimate model parameters, and their implementation in predicting pavement performance.
Book Synopsis Guidelines for Using Prime and Tack Coats by : Stephen A. Cross
Download or read book Guidelines for Using Prime and Tack Coats written by Stephen A. Cross and published by . This book was released on 2004 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Basic Asphalt Emulsion Manual by : Asphalt Institute
Download or read book A Basic Asphalt Emulsion Manual written by Asphalt Institute and published by . This book was released on 1979 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bonding Elastomers written by G. Polaski and published by iSmithers Rapra Publishing. This book was released on 2005 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: This review has been written as a practical approach to bonding various kinds of elastomers to substrates such as steel and plastics, as used in the manufacture of diverse products such as rubber covered rolls, urethane fork lift wheels, rubber lining for chemical storage or solid rocket motors, engine bushes and mounts, seals for transmissions, electrical power connectors and military tank track pads. Based on the authors' years of experience working closely with end-use customers and it offers a thorough overview of how to successfully bond rubber to a given substrate in the manufacture of quality rubber engineered components. This review is supported by an indexed section containing several hundred key references and abstracts selected from the Rapra Abstracts database.
Book Synopsis The Roles of Accelerated Pavement Testing in Pavement Sustainability by : José P. Aguiar-Moya
Download or read book The Roles of Accelerated Pavement Testing in Pavement Sustainability written by José P. Aguiar-Moya and published by Springer. This book was released on 2016-09-15 with total page 877 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Bureau of Mines Technical Progress Report by :
Download or read book Bureau of Mines Technical Progress Report written by and published by . This book was released on 1977 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Superpave Mix Design by : Asphalt Institute
Download or read book Superpave Mix Design written by Asphalt Institute and published by . This book was released on 2001-01-01 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Smart & Sustainable Infrastructure: Building a Greener Tomorrow by : Nemkumar Banthia
Download or read book Smart & Sustainable Infrastructure: Building a Greener Tomorrow written by Nemkumar Banthia and published by Springer Nature. This book was released on with total page 1210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Bond Performance of FastTack Emulsion for Tack Coat Applications by : Ghassan Riad Chehab
Download or read book Evaluation of Bond Performance of FastTack Emulsion for Tack Coat Applications written by Ghassan Riad Chehab and published by . This book was released on 2008 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Progress Report by : United States. Bureau of Mines
Download or read book Technical Progress Report written by United States. Bureau of Mines and published by . This book was released on with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Asphalt Materials Science and Technology by : James G. Speight
Download or read book Asphalt Materials Science and Technology written by James G. Speight and published by Butterworth-Heinemann. This book was released on 2015-10-01 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Asphalt is a complex but popular civil engineering material. Design engineers must understand these complexities in order to optimize its use. Whether or not it is used to pave a busy highway, waterproof a rooftop or smooth out an airport runway, Asphalt Materials Science and Technology acquaints engineers with the issues and technologies surrounding the proper selection and uses of asphalts. With this book in hand, researchers and engineering will find a valuable guide to the production, use and environmental aspect of asphalt. Covers the Nomenclature and Terminology for Asphalt including: Performance Graded (PG) Binders, Asphalt Cement (AC), Asphalt-Rubber (A-R) Binder, Asphalt Emulsion and Cutback Asphalt Includes Material Selection Considerations, Testing, and applications Biodegradation of Asphalt and environmental aspects of asphalt use
