Development Of A Regional Pavement Performance Database For The Aashto Mechanistic Empiricle Sic Pavement Design Guide Validation And Local Calibration
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Development Of A Regional Pavement Performance Database For The Aashto Mechanistic Empiricle Sic Pavement Design Guide Validation And Local Calibration
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Author : Swetha Kesiraju
language : en
Publisher:
Release Date : 2007
Development Of A Regional Pavement Performance Database For The Aashto Mechanistic Empiricle Sic Pavement Design Guide Validation And Local Calibration written by Swetha Kesiraju and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with AASHTO guide for design of pavement structures categories.
Development Of A Regional Pavement Performance Database For The Aashto Mechanistic Empiricle Sic Pavement Design Guide Sensitivity Analysis
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Author : Swetha Kesiraju
language : en
Publisher:
Release Date : 2007
Development Of A Regional Pavement Performance Database For The Aashto Mechanistic Empiricle Sic Pavement Design Guide Sensitivity Analysis written by Swetha Kesiraju and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with AASHTO guide for design of pavement structures categories.
Calibration And Validation Of The Enhanced Integrated Climatic Model For Pavement Design
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Author : C. E. Zapata
language : en
Publisher: Transportation Research Board National Research
Release Date : 2008
Calibration And Validation Of The Enhanced Integrated Climatic Model For Pavement Design written by C. E. Zapata and has been published by Transportation Research Board National Research this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Technology & Engineering categories.
"This report summarizes the results of research to evaluate, calibrate, and validate the Enhanced Integrated Climatic Model (EICM) incorporated in the original Version 0.7 (July 2004 release) of the Mechanistic-Empirical Pavement Design Guide (MEPDG) software with measured materials data from the Long-Term Pavement Performance Seasonal Monitoring Program (LTPP SMP) pavement sections. The report further describes subsequent changes made to the EICM to improve its prediction of moisture equilibrium for granular bases. The report will be of particular interest to pavement design engineers in state highway agencies and industry ..."--Foreword.
Database Development For An Hma Pavement Performance Analysis System
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Author : Robert L. Schmitt (Ph.D.)
language : en
Publisher:
Release Date : 2008
Database Development For An Hma Pavement Performance Analysis System written by Robert L. Schmitt (Ph.D.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Pavements, Asphalt 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.
Consideration Of Preservation In Pavement Design And Analysis Procedures
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Author :
language : en
Publisher:
Release Date : 2015
Consideration Of Preservation In Pavement Design And Analysis Procedures written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Pavements categories.
"TRB's National Cooperative Highway Research Program (NCHRP) Report 810: Consideration of Preservation in Pavement Design and Analysis Procedures explores the effects of preservation on pavement performance and service life and describes three different approaches for considering these effects in pavement design and analysis procedures. The report may serve as a basis for developing procedures for incorporating preservation in the American Association of State Highway and Transportation Officials (AASHTO) Mechanistic-Empirical Pavement Design Guide: A Manual of Practice (MEPDG) and the AASHTOWare Pavement ME Design software. Initially, the scope of this project intended to develop procedures for incorporating pavement preservation treatments into the MEPDG design analysis process that would become part of the MEPDG Manual of Practice. However, it was determined that sufficient data were not available to support the development of such procedures. Appendices A through I are available online only." --
Development And Validation Of Performance Prediction Models And Specifications For Asphalt Binders And Paving Mixes
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Author : Robert L. Lytton
language : en
Publisher: Strategic Highway Research Program (Shrp)
Release Date : 1993
Development And Validation Of Performance Prediction Models And Specifications For Asphalt Binders And Paving Mixes written by Robert L. Lytton and has been published by Strategic Highway Research Program (Shrp) this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Asphalt concrete categories.
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.
Changes To The Mechanistic Empirical Pavement Design Guide Software Through Version 0 900 July 2006
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Author :
language : en
Publisher:
Release Date : 2006
Changes To The Mechanistic Empirical Pavement Design Guide Software Through Version 0 900 July 2006 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Pavements categories.
"This digest summarizes key findings from NCHRP Project 1-40D, "Technical Assistance to NCHRP and NCHRP Project 1-40A: Versions 0.900 and 1.0 of the M-E Pavement Design Sofware," conducted by Applied Research Associates, Inc., and Arizona State University. The digest was prepared by Michael I. Darter ... [et al.]"--P. [1].
Consideration Of Preservation In Pavement Design And Analysis Procedures
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Author :
language : en
Publisher:
Release Date : 2015
Consideration Of Preservation In Pavement Design And Analysis Procedures written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Pavements categories.
"TRB's National Cooperative Highway Research Program (NCHRP) Report 810: Consideration of Preservation in Pavement Design and Analysis Procedures explores the effects of preservation on pavement performance and service life and describes three different approaches for considering these effects in pavement design and analysis procedures. The report may serve as a basis for developing procedures for incorporating preservation in the American Association of State Highway and Transportation Officials (AASHTO) Mechanistic-Empirical Pavement Design Guide: A Manual of Practice (MEPDG) and the AASHTOWare Pavement ME Design software. Initially, the scope of this project intended to develop procedures for incorporating pavement preservation treatments into the MEPDG design analysis process that would become part of the MEPDG Manual of Practice. However, it was determined that sufficient data were not available to support the development of such procedures. Appendices A through I are available online only." --
Mechanistic Evaluation And Calibration Of The Aashto Design Equations And Mechanistic Analysis Of The Shrp Asphalt Surfaced Pavement Sections
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Author : Gilbert Y. Baladi
language : en
Publisher:
Release Date : 1994
Mechanistic Evaluation And Calibration Of The Aashto Design Equations And Mechanistic Analysis Of The Shrp Asphalt Surfaced Pavement Sections written by Gilbert Y. Baladi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Pavements, Asphalt categories.
Mechanistic evaluation of the American Association of State Highway and Transportation Officials (AASHTO) flexible design equations was conducted by using 243 artificial pavement sections with various layer properties, roadbed soil modulus, and traffic volumes. A mechanistic-based modification procedure of the effects of the AASHTO drainage coefficient is presented. A nomograph for estimating the effects of drainage coefficients on the expected life of the pavement structures is also presented and discussed. Finally, the results of the backcalculated layer moduli of some of the Strategic Highway Research Program asphalt surfaced General Pavement Studies sections are presented and the accuracy of the values briefly discussed.