Development Of Structural Layer Coefficients Of Crumb Rubber Modified Asphalt Mixes From In Situ Deflection Tests
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Development Of Structural Layer Coefficients Of Crumb Rubber Modified Asphalt Mixes From In Situ Deflection Tests
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Author : Affan Habib
language : en
Publisher:
Release Date : 1997
Development Of Structural Layer Coefficients Of Crumb Rubber Modified Asphalt Mixes From In Situ Deflection Tests written by Affan Habib and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Asphalt-rubber categories.
This report includes the results of testing Crumb Rubber Modified (CRM) asphalt to quantify the layer coefficient values for CRM mixes. Several test sections were selected from recently constructed CRM pavement. The Falling Weight Deflectometer (FWD) data were collected at 15 meter intervals on each test section during a one month period.
Layer Coefficients For New And Reprocessed Asphaltic Mixes
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Author :
language : en
Publisher:
Release Date : 2000
Layer Coefficients For New And Reprocessed Asphaltic Mixes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Pavements, Asphalt categories.
Investigation Into Deriving Layer Coefficients For New And Reprocessed Asphalt Mixtures
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Author : John Donald Christensen
language : en
Publisher:
Release Date : 1999
Investigation Into Deriving Layer Coefficients For New And Reprocessed Asphalt Mixtures written by John Donald Christensen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
A Study Of Flexural Fatigue Behavior Of Asphalt Rubber Mixes
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Author : Mustaque Hossain
language : en
Publisher:
Release Date : 1997
A Study Of Flexural Fatigue Behavior Of Asphalt Rubber Mixes written by Mustaque Hossain and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Asphalt-rubber categories.
The objective of this study is to evaluate the fatigue behavior of crumb-rubber modified asphalt. The research involved flexural fatigue testing of beams made with hot mix asphalt rubber using the wet process where the crumb rubber reacted with the asphalt at high temperature. Two types of asphalt rubber were studied: Asphalt Rubber Surface (ARS) and Asphalt Rubber Base (ARB). The ARS was a gap-graded aggregate mix with 0.5 in. (1.27 cm) maximum size and 7% design asphalt rubber content using CRM-III (minus #10 mesh) rubber. The ARB had a denser gradation with a 0.75 in. (3.81 cm) maximum aggregate size and 7% design asphalt rubber content also using CRM-III rubber.
Transportation Research Record
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Author :
language : en
Publisher:
Release Date : 1997
Transportation Research Record written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Air travel categories.
F S Index United States Annual
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Author :
language : en
Publisher:
Release Date : 1999
F S Index United States Annual written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Commercial products categories.
Performance Testing For Superpave And Structural Validation
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Author : Nelson Gibson
language : en
Publisher:
Release Date : 2012
Performance Testing For Superpave And Structural Validation written by Nelson Gibson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Asphalt categories.
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.
Asphalt Mixtures 2001
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Author : National Research Council (U.S.). Transportation Research Board
language : en
Publisher:
Release Date : 2001
Asphalt Mixtures 2001 written by National Research Council (U.S.). Transportation Research Board and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Aashto Guide For Design Of Pavement Structures 1993
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Author : American Association of State Highway and Transportation Officials
language : en
Publisher: AASHTO
Release Date : 1993
Aashto Guide For Design Of Pavement Structures 1993 written by American Association of State Highway and Transportation Officials and has been published by AASHTO this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Pavements categories.
Design related project level pavement management - Economic evaluation of alternative pavement design strategies - Reliability / - Pavement design procedures for new construction or reconstruction : Design requirements - Highway pavement structural design - Low-volume road design / - Pavement design procedures for rehabilitation of existing pavements : Rehabilitation concepts - Guides for field data collection - Rehabilitation methods other than overlay - Rehabilitation methods with overlays / - Mechanistic-empirical design procedures.
Contributions Of Pavement Structural Layers To Rutting Of Hot Mix Asphalt Pavements
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Author : Thomas D. White
language : en
Publisher: Transportation Research Board
Release Date : 2002
Contributions Of Pavement Structural Layers To Rutting Of Hot Mix Asphalt Pavements written by Thomas D. White and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Pavements categories.