Performance Testing For Superpave And Structural Validation
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Performance Testing for Superpave and Structural Validation
Author | : U.s. Department of Transportation |
Publsiher | : Createspace Independent Publishing Platform |
Total Pages | : 276 |
Release | : 2018-07-23 |
Genre | : Electronic Book |
ISBN | : 1723456241 |
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Performance testing for Superpave and structural validation /
Performance testing for Superpave and structural validation
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Author | : Nelson Gibson |
Publsiher | : Unknown |
Total Pages | : 253 |
Release | : 2012 |
Genre | : Asphalt |
ISBN | : OCLC:852483341 |
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The primary objective of this full-scale accelerated pavement testing was to evaluate the performance of unmodified and polymer modified asphalt binders and to recommend improved specification tests over existing SUperior PERforming Asphalt PAVEment (Superpave) binder performance grading methodologies. Candidate replacement tests were evaluated via their ability to discern fatigue cracking resistance and rutting. Two fatigue cracking specification tests were identified as more capable in capturing performance than others: binder yield energy and critical tip opening displacement. Two rutting specification tests that quantify irrecoverable deformations exhibited the best strength to capture rutting: multiple stress creep and recovery and oscillatory-based nonrecoverable stiffness. Based on the full-scale performance and laboratory tests, crumb rubber (recycled tires) modified asphalt (Arizona wet process) was shown to significantly slow or stop the growth of fatigue cracks in a composite asphalt pavement structure. A hybrid technique to modify asphalt with a combination of crumb rubber and conventional polymers (terminally blended) exhibited good fatigue cracking resistance relative to the control binder. Also, a simple addition of polyester fibers to asphalt mix was shown to have high resistance to fatigue cracking without the use of polymer modification. The research study also quantified the capabilities of the National Cooperative Highway Research Program's mechanistic-empirical pavement design and analysis methodologies to predict rutting and fatigue cracking of modified asphalts that were not captured in the calibration data from the Long-Term Pavement Performance program. Falling weight deflectometer, multidepth deflectometer, and strain gauge instrumentation were used to measure pavement response. The results illustrated that the nationally calibrated mechanistic-empirical performance models could differentiate between structural asphalt thickness but had difficulty differentiating modified from unmodified asphalt binder performance. Nonetheless, the mechanistic-empirical performance ranking and predictions were enhanced and improved using mixture-specific performance tests currently being implemented using the asphalt mixture performance tester.
The Roles of Accelerated Pavement Testing in Pavement Sustainability
Author | : José P. Aguiar-Moya,Adriana Vargas-Nordcbeck,Fabricio Leiva-Villacorta,Luis G. Loría-Salazar |
Publsiher | : Springer |
Total Pages | : 905 |
Release | : 2016-09-15 |
Genre | : Technology & Engineering |
ISBN | : 9783319427973 |
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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.
Advances in Pavement Design through Full scale Accelerated Pavement Testing
Author | : David Jones,John Harvey,Imad L. Al-Qadi,Angel Mateos |
Publsiher | : CRC Press |
Total Pages | : 560 |
Release | : 2012-10-08 |
Genre | : Technology & Engineering |
ISBN | : 9780203073018 |
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Pack: Book and CDInternationally, full-scale accelerated pavement testing, either on test roads or linear/circular test tracks, has proven to be a valuable tool that fills the gap between models and laboratory tests and long-term experiments on in-service pavements. Accelerated pavement testing is used to improve understanding of pavement behavior,
Significant Findings from Full scale Accelerated Pavement Testing
Author | : Wynand JvdM. Steyn |
Publsiher | : Transportation Research Board |
Total Pages | : 257 |
Release | : 2012 |
Genre | : Technology & Engineering |
ISBN | : 9780309223669 |
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"TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 433: Significant Findings from Full-Scale Accelerated Pavement Testing documents and summarizes significant findings from the various experimental activities associated with full-scale accelerated pavement testing (f-sAPT) programs that have taken place between 2000 and 2011. The report also identifies gaps in knowledge related to f-sAPT and where future research may be needed. NCHRP Synthesis 433 is designed to expand the f-sAPT base of knowledge documented in NCHRP Syntheses 325 and 235, both with the same title of Significant Findings from Full-Scale Accelerated Pavement Testing. f-sAPT is the controlled application of a wheel loading, at or above the appropriate legal load limit, to a pavement system to determine pavement response in a compressed time period. The acceleration of damage is achieved by one or more of the following factors: increased repetitions, modified loading conditions, imposed climatic conditions, and thinner pavements with a decreased structural capacity which have shorter design lives"--
Simple Performance Test for Superpave Mix Design
Author | : Matthew W. Witzcak |
Publsiher | : Transportation Research Board |
Total Pages | : 114 |
Release | : 2002 |
Genre | : Pavements, Asphalt |
ISBN | : 9780309067157 |
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Asphalt Paving Technology 2013
Author | : Eugene Skok |
Publsiher | : DEStech Publications, Inc |
Total Pages | : 752 |
Release | : 2014-02-04 |
Genre | : Technology & Engineering |
ISBN | : 9781605951454 |
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New developments in mixing, testing, modeling Research findings on sustainable asphalt technology Bitumen use and specifications in Europe Fully-searchable text on accompanying CD-ROM Asphalt Paving Technology 2013, a series volume, contains 26 original research papers devoted to the formulation, chemistry, mixing, modeling, testing and optimization of asphalt—with applications to highway and infrastructure engineering. Written by leading civil and structural engineers from universities and government agencies around the world, the book offers information for designing and producing higher-quality asphalt. Selected keywords: photocatalytic asphalt; fatigue loading; skid-resistance; low-temperature cracking software; long-term aging; fracture properties; moisture damage; RAP; rejuvenators; binders; flexible pavement; healing. The CD-ROM displays figures and illustrations in articles in full color along with a title screen and main menu screen. Each user can link to all papers from the Table of Contents and Author Index and also link to papers and front matter by using the global bookmarks which allow navigation of the entire CD-ROM from every article. Search features on the CD-ROM can be by full text including all key words, article title, author name, and session title. The CD-ROM has Autorun feature for Windows 2000 with Service Pack 4 or higher products along with the program for Adobe Acrobat Reader with Search 11.0. One year of technical support is included with your purchase of this product.
Bituminous Mixtures and Pavements VI
Author | : A. Nikolaides |
Publsiher | : CRC Press |
Total Pages | : 884 |
Release | : 2015-07-28 |
Genre | : Technology & Engineering |
ISBN | : 9781315668161 |
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Bituminous Mixtures and Pavements contains 113 accepted papers from the 6th International ConferenceBituminous Mixtures and Pavements (6th ICONFBMP, Thessaloniki, Greece, 10-12 June 2015). The 6th ICONFBMP is organized every four years by the Highway Engineering Laboratory of the Aristotle University of Thessaloniki, Greece, in conjunction with