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Author : Hussain U. Bahia
Publisher :
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.:/5 (89 download)
Download or read book Investigation of Modified Asphalt Performance Using SHRP Binder Specification written by Hussain U. Bahia and published by . This book was released on 1997 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.E/5 ( download)
Download or read book Binder Characterization and Evaluation: Test methods written by and published by . This book was released on 1994 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yalan Tang
Publisher :
ISBN 13 : 9781622601387
Total Pages : pages
Book Rating : 4.6/5 (13 download)
Download or read book Investigation of the Performance of Neat and Modified Asphalt Binders written by Yalan Tang and published by . This book was released on 2006-10-15 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas William Kennedy
Publisher : National Research Council
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.E/5 ( download)
Download or read book Superior Performing Asphalt Pavements (Superpave) written by Thomas William Kennedy and published by National Research Council. This book was released on 1994 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Strategic Highway Research Program (SHRP) was a highly focused, ambitious research effort that targeted four specific areas for intense study over the time frame from 1987 to 1993. Asphalt was one of the four study areas. This report describes the Superpave system, the final product of the asphalt research program; and the various parts that comprise its operational characteristics. In all, the final report of the SHRP Asphalt Research Program consists of five parts, the contents of which are briefly described in this report. Reference is made within this report to specific details within the other four parts for readers who want a more detailed description of the methodology, test methods, and theory behind Superpave.
Author : Kevin D. Stuart
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (14 download)
Download or read book Understanding the Performance of Modified Asphalt Binders in Mixtures written by Kevin D. Stuart and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of this study was to determine if the Superpave high-temperature rheological properties of polymer-modified asphalt binders correlate to asphalt mixture rutting resistance. An emphasis was placed on evaluating polymer-modified asphalt binders with identical (or close) high-temperature performance grades (PG's), but varied polymer chemistries. Eleven asphalt binders were obtained for this study: two unmodified asphalt binders, an air-blown asphalt binder, and eight polymer-modified asphalt binders. High-temperature asphalt binder properties were measured by a dynamic shear rheometer (DSR). Mixture rutting resistance was measured by repeated shear at constant height (RSCH), and the French Pavement Rutting Tester (French PRT). The first objective was to verify the findings of a previous study using a different aggregate. In the previous study, it was found that the Superpave high-temperature asphalt binder properties correlated to mixture rutting resistance with few outliers, and a change in high-temperature PG from 70 to 76 increased rutting resistance. However, the correlation between RSCH and asphalt binder G*/sind (delta) depended on DSR frequency. The data suggested that a low DSR frequency, such as 0.1 rad/s, might provide a better grading system than the standard DSR frequency of 10.0 rad/s. This would require a change in the current asphalt binder specification. A diabase aggregate was used in a previous study. The data using a second aggregate, a limestone aggregate, in combination with four of the asphalt binders, agreed with the findings from the diabase mixtures. The second objective was to retest the diabase mixtures at 70 degrees Celsius using RSCH. The test temperatures used in the previous study were 50 degrees Celsius for RSCH and 70 degrees Celsius for the French PRT. The polymer-modified asphalt binders had continuous high-temperature PG's ranging from 71 to 77. Therefore, it was recommended that the test temperature for RSCH be increased to 70 degrees Celsius. Again, the correlation between RSCH and G*/sind was dependent on DSR frequency. The data suggested that a low DSR frequency, such as 0.1 rad/s, might provide a better grading system. However, it is not known whether this finding applies to pavements, or is related to the accelerated nature of the RSCH test. Furthermore, G*/sind (delta) at 0.1 rad/s did not clearly provide a better correlation to RSCH than the high-temperature PG's of the asphalt binders. The degree of correlation between the French PRT and G*/sind at 70 degrees Celsius did not depend on DSR frequency, and there was only one outlier. A correlation between the French PRT and high-temperature PG provided no obvious outliers. No changes to the specification are recommended based on the French PRT results.
Author : Association of Asphalt Paving Technologists
Publisher :
ISBN 13 :
Total Pages : 808 pages
Book Rating : 4.:/5 (39 download)
Download or read book Proceedings written by Association of Asphalt Paving Technologists and published by . This book was released on 1993 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David A. Anderson
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.E/5 ( download)
Download or read book Binder Characterization and Evaluation written by David A. Anderson and published by Strategic Highway Research Program (Shrp). This book was released on 1994 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward T. Harrigan
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.E/5 ( download)
Download or read book The SUPERPAVE Mix Design System Manual of Specifications, Test Methods, and Practices written by Edward T. Harrigan and published by Strategic Highway Research Program (Shrp). This book was released on 1994 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: The final product of the Strategic Highway Research Program (SHRP) Asphalt Research Program is the SUPERPAVE (registered trademark) mix design system for new construction and overlays. This system employs a series of new performance-based specifications, test methods, and practices for material selection, accelerated performance testing, and mix design. This report documents these new specifications and procedures in a format suitable for eventual American Association of State Highway and Transportation Officials (AASHTO) standardization.
Author : Robert L. Lytton
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 : 9780309056175
Total Pages : 500 pages
Book Rating : 4.0/5 (561 download)
Download or read book Development and Validation of Performance Prediction Models and Specifications for Asphalt Binders and Paving Mixes written by Robert L. Lytton and published by Strategic Highway Research Program (Shrp). This book was released on 1993 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: A result of the Strategic Highway Research Program's asphalt research is the development of performance-based specifications for asphalt binders and mixtures to control 3 distress modes: rutting; fatigue cracking; and thermal cracking. The SHRP A-005 project developed detailed pavement performance models to support these binder and mixture specifications and performance-based mixture designs. This report documents the findings of this extensive research effort and provides supporting data for the performance-based specifications and mixture design procedure called SUPERPAVE. The A-005 contract developed and used a sophisticated, mechanistic-based pavement performance model to define the relationships between asphalt binder and mixture properties and pavement distress. A comprehensive pavement performance model was developed that predicts the amount of fatigue cracking, thermal cracking and rutting in asphalt concrete pavements with time, using results from the accelerated laboratory tests. The pavement performance models for each distress were also used to confirm the relevant binder and mixture properties established by other SHRP contractors. The model has 3 parts: a mixture evaluation model; a pavement response model; and a pavement distress model.
Author : Donna S. Harmelink
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (1 download)
Download or read book Special Polymer Modified Asphalt Cements written by Donna S. Harmelink and published by . This book was released on 1997 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study evaluated and compared the effectiveness of polymer-modified asphalt mixes in improving the performance of the roadway in relation to rutting and cracking as compared to our standard mixes without modified binders. The addition of various polymers used in this study did not enhance the rut resistance potential of the mix, however the addition of the polymer did reduce the amount of transverse and longitudinal cracking to some extent.
Author : Oluranti Paul Togunde
Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (263 download)
Download or read book Low Temperature Investigations on Asphalt Binder Performance - written by Oluranti Paul Togunde and published by . This book was released on 2008 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis investigates and documents fundamental studies of highway materials (asphalt engineering properties) especially on different modified asphalt binders and mixtures in order to understand failure mechanisms at low temperature and superior performance of such asphalt binders with the aim of preventing premature cracking on Ontario highways. In addition, seven asphalt binders of different compositions were used as a template for study and this research work is tailored towards Superpave® performance-based specification testing with the aim of improving asphalt pavement performance under various conditions and consequently reducing premature cracking in order to achieve long lasting highways. Based on the actual applied pattern of Superpave® specification criteria, the mechanical responses of the binders are analyzed by extended bending beam rheometer (eBBR), tensile stress ductilometer (Petrotest DDA3®), compact tension test (Instron AsphaltPro®), double-edge-notched tension and single-edge-notched tension (MTS 810 universal testing machine) protocols. The objective of this study entails establishing and developing of a proper procedure for the testing of binders with the aim of ranking (grading) the performance after validation of laboratory and field experiments. Analysis of the results appears to show that the premature distress on the Highway 417 trial sections can be attributed to reversible aging tendency (wax crystallization) at low temperatures coupled with low fatigue resistance of the binders. The results suggest that different polymer modifications had significant influence on the performance of asphalt mix as demonstrated from the results obtained from essential and plastic work of fracture using double-edge-notch-tension test (DENT). Crack tip opening displacement (CTOD) parameter consistently show the performing grading of asphalt binder while compact tension test protocol provides plane strain fracture toughness (K1c) which could be used to rank binders with respect to fracture resistance at low temperature. Hence, CTOD is a promising parameter which can be used to establish performance ranking of the binders.
Author : Association of Asphalt Paving Technologists
Publisher :
ISBN 13 :
Total Pages : 880 pages
Book Rating : 4.3/5 (91 download)
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:
Author :
Publisher :
ISBN 13 : 9781895102635
Total Pages : 16 pages
Book Rating : 4.1/5 (26 download)
Download or read book Performance-based Asphalt Mixture Design written by and published by . This book was released on 1994 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper discusses the SUPERPAVE System of products which resulted from the Stretegic Highway Research Program (SHRP). These products addressed the following pavement distresses for dense graded asphalt mixtures: permanent deformation, fatigue cracking, low temperature cracking, including the effects of aging and moisture damage of these distresses. Although other types of pavement distress in hot mix asphalt pavement were recognized by the SHRP planners, a decision was made not to include them in this research effort. The final products of the program are: 1. A performance-based specification for asphalt binders complete with supporting tests; A performance-based specification for asphalt-aggregate mixtures complete with supporting tests and performance prediction modls; 3. A mixture design and analysis system which incorporates both the asphalt binder specification and the asphalt mixture specification; 4. A protocol to evaluate modified asphalt binder and 5. a SUPERPAVE software support system. For the covering abstract of this conference, see IRRD number 863140.
Author : John C. Hardin
Publisher : ASTM International
ISBN 13 : 0803119887
Total Pages : 237 pages
Book Rating : 4.8/5 (31 download)
Download or read book Physical Properties of Asphalt Cement Binders written by John C. Hardin and published by ASTM International. This book was released on 1995 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: A dozen papers from a December 1993 symposium in Dallas/Fort Worth, Texas. Among the topics are why the new proposed rheological properties of asphalt binders are required and how they compare to conventional properties, the development and use of the SHRP direct tension specification test, oxidatio
Author : Asphalt Institute
Publisher :
ISBN 13 : 9781934154175
Total Pages : 102 pages
Book Rating : 4.1/5 (541 download)
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:
Author : Carl L. Monismith
Publisher : McGraw-Hill Companies
ISBN 13 : 9780070429833
Total Pages : 480 pages
Book Rating : 4.4/5 (298 download)
Download or read book Asphalt Paving Technology written by Carl L. Monismith and published by McGraw-Hill Companies. This book was released on 1997-06 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on asphalt paving technology, this work emphasizes quality control and quality assurance programmes in producing high-quality pavements. It combines theory and practice of asphalt paving including developments and information from the recently completed Strategic Highway Research Program which was designed to improve asphalt specifications, mix design and analysis systems.
Author : Jose Luis Rivera Armenta
Publisher : BoD – Books on Demand
ISBN 13 : 1789237262
Total Pages : 142 pages
Book Rating : 4.7/5 (892 download)
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.
