Download or read book Gilsonite an Asphalt Modifier written by Donna S. Harmelink and published by . This book was released on 1992 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gilsonite an Asphalt Modifier written by Donna S. Harmelink and published by . This book was released on 1992 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effect of Gilsonite modified Asphalt on Hot Mix Asphaltic Concrete Mixes Used in District 12 Houston Texas written by Constance Wong and published by . This book was released on 1990 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gilsonite is a naturally occurring black hydrocarbon from Utah with a high asphaltene content and an unusual amount of nitrogen compounds. Because of its composition, it is believed that the addition of gilsonite will increase the viscosity, stability, water susceptibility and durability of the asphalt mix. The District 12 laboratory conducted tests on two hot mix designs using gilsonite-modified asphalts. A control batch and batches containing 4%, 6% and 8% gilsonite by weight of asphalt were tested. The appropriate gilsonite-aggregate mixtures were molded and evaluated for stability, specific gravity, indirect tensile strength and water susceptibility.
Download or read book Modified Asphalt written by Jose Luis Rivera Armenta and published by BoD – Books on Demand. This book was released on 2018-09-19 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Asphalt modification is an important area in the development of new road and pavement materials. There is an urgent demand for road materials that can minimize fracture at low temperatures and increase resistance to deformation at high temperatures. The function of asphalt is to bind aggregate to protect it from water and other harmful agents. In the beginning asphalt was ideal for this purpose, but recently traffic loads have increased and environmental factors have deteriorated more rapidly than before. Asphalt is a byproduct of crude oil in the refining process, and it is considered a complex heterogeneous mixture of hydrocarbons. Asphalt modification has become an important research area, using several methods and new materials as modifiers.
Download or read book Gilsonite Resin written by Joseph E. Baldassare and published by . This book was released on 1994 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Engineering Properties of Asphalt Mixtures and the Relationship to Their Performance written by Gerald A. Huber and published by ASTM International. This book was released on 1995 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thirteen papers presented at the conference on [title], held in Phoenix, Arizona, December, 1994, discuss the products of the strategic highway research program, the Superpave method of mix design, and test methods for fatigue cracking and permanent deformation. Lacks an index. Annotation c. by Book
Download or read book Using Additives and Modifiers in Hot Mix Asphalt written by Ronald L. Terrel and published by . This book was released on 1989 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book FHWA Nationally Coordinated Program of Highway Research Development and Technology Annual Progress Report Fiscal Year 1992 written by and published by . This book was released on 1992 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bituminous Mixtures and Pavements VII written by A.F. Nikolaides and published by CRC Press. This book was released on 2019-05-24 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt: Highway engineers are facing the challenge not only to design and construct sustainable and safe pavements properly and economically. This implies a thorough understanding of materials behaviour, their appropriate use in the continuously changing environment, and implementation of constantly improved technologies and methodologies. Bituminous Mixtures and Pavements VII contains more than 100 contributions that were presented at the 7th International Conference ‘Bituminous Mixtures and Pavements’ (7ICONFBMP, Thessaloniki, Greece 12-14 June 2019). The papers cover a wide range of topics: - Bituminous binders - Aggregates, unbound layers and subgrade - Bituminous mixtures (Hot, Warm and Cold) - Pavements (Design, Construction, Maintenance, Sustainability, Energy and environment consideration) - Pavement management - Pavement recycling - Geosynthetics - Pavement assessment, surface characteristics and safety - Posters Bituminous Mixtures and Pavements VII reflects recent advances in highway materials technology and pavement engineering, and will be of interest to academics and professionals interested or involved in these areas.
Download or read book Asphalt Surfacings written by J Cliff Nicholls and published by CRC Press. This book was released on 2002-11-01 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Asphalt Surfacings has been written as a reference to the various asphalt course materials and surfacing treatments that are currently available to engineers, enabling them to select the materials and/or treatment that are appropriate for use on specific sites. Appropriate reference is made to the lower structural layers as the properties of all layers interact in producing the required pavement. The current established position in the UK and the emerging developments throughout the UK and Europe are covered. The contributors are all acknowledged authorities on their particular topics selected from every part of the highway engineering industry to achieve a balance between the various approaches required by the different functions they perform.
Download or read book Asphalts in Road Construction written by Robert N Hunter and published by Thomas Telford. This book was released on 2000-09 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a useful guide to all facets of asphalt technology as applied to the construction and maintenance of highways and reflects the very best of UK asphalt and pavement technology. It covers all aspects of fully flexible road construction from foundation design through to surface treatment. The book also covers new materials.
Download or read book The Story of Gilsonite Asphalt written by and published by . This book was released on 1931 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Asphalt Mixture Specification and Testing written by Cliff Nicholls and published by CRC Press. This book was released on 2017-05-12 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide reviews the way asphalt mixture can be specified, with particular emphasis on the test methods used to measure performance. The advantages and limitations of the tests are described for measuring the desired property, and engineers can specify a test according to the material’s use. The book starts with a resume of specifications and their relative advantages and disadvantages for different situations. Then different properties are discussed in terms of: their specification; the test methods that can be used (primarily the EN 12697 suite of European methods, of which the author has been responsible for drafting); the extent to which the results predict performance; the levels that can be achieved with different asphalt mixes and types; what levels, if any, should be specified in various situations and pavement layers; and which other properties are adversely affected by enhanced performance. The final section covers various aspects of sustainability, with a strong emphasis on durability. Better understanding should enable clients and consultants who specify pavements to produce durable asphalt pavements more economically, and also help asphalt producers and students trying to understand the black art of asphalt.
Download or read book Rehabilitation of Rutted Asphalt Pavements written by Ahmad Ardani and published by . This book was released on 1993 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evaluation of Aging Characteristics of Modified Asphalt Mixtures written by S-C Huang and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: A laboratory investigation using typical Florida dense-graded and open-graded mixtures was conducted to evaluate the effects of a few promising modifiers on the long-term aging characteristics of asphalt mixtures. Six types of modifiers including gilsonite, carbon black, fine ground tire rubber (GTR-80), styrene-butylene-rubber (SBR), ethylene vinyl acetate (EVA) and styrene-ethylene-butylene-styrene (SEBS) were used in this study. These modifiers were blended with AC-30, AC-20, and AC-5 base asphalts to produce a total of ten modified asphalts. These ten modified asphalt blends and the unmodified AC-30 were used to make Florida type S-1 structural course and type FC-2 friction course asphalt mixtures. These mixtures were compacted into Marshall specimens for age hardening and subsequent testing. A total of 416 compacted modified and unmodified asphalt mixture specimens were subjected to a forced-draft oven aging process for 90 days at 60 °C (140 °F), and natural sunlight for 6 months to simulate the long-term aging effects on these mixtures. These aged and unaged asphalt mixtures were evaluated by (1) resilient modulus tests at 5 and 25 °C (41 and 77 °F) and (2) indirect tensile tests at 5 and 25 °C (41 and 77 °F). The effects of cycle frequency used in the resilient modulus tests were also assessed. The test results indicate that the modified asphalt mixtures appear to have more pronounced delayed elastic behavior as compared with that of the unmodified asphalt mixtures. The fracture energy, which is characterized by means of the area of stress-strain curve, indicated that the modified binders using a base asphalt of AC-30 tend to be too brittle as they harden further with time. However, modified binders using a base asphalt of AC-5 appear to be softer than that of conventional AC-30 under typical Florida conditions.
Download or read book Pavement Design and Materials written by A. T. Papagiannakis and published by John Wiley & Sons. This book was released on 2024-07-18 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: PAVEMENT DESIGN AND MATERIALS Practical guide for all aspects of pavement engineering, updated with the latest techniques, standards, and software The newly revised and updated Second Edition of Pavement Design and Materials offers a comprehensive treatment of pavement materials, structural analysis, design, evaluation, and economic analysis of asphalt and portland concrete pavements. Written by two highly qualified engineering professors with a wealth of experience in the field, Pavement Design and Materials provides readers with: State-of-the-art techniques for material characterization, including a linear viscoelasticity primer Methods and software for the analysis of flexible and ridgid pavements including the AASHTOWare Pavement ME Design State-of-the-art pavement evaluation techniques including moduli backcalculation methods Pavement economic analysis techniques including the most up-to-date user cost relationships. The book companion website provides: Solved examples in each chapter and the electronic files associated with them An instructor solutions manual for the problems provided at the end of each chapter PowerPoint presentations by chapter to facilitate lecture delivery Pavement Design and Materials is an essential up-to-date textbook on the subject for upper-level undergraduate and graduate level courses on pavement materials and pavement design. It is also a valuable reference for practicing professional engineers involved in the various aspects of roadway pavement material selection and structural design.
Download or read book Industrial Minerals Rocks written by Jessica Elzea Kogel and published by SME. This book was released on 2006 with total page 1576 pages. Available in PDF, EPUB and Kindle. Book excerpt: News, Inc., Portland, OR (booknews.com).
