Mechanistic Empirical Design Approach For The Evaluation Of Flexible Pavements
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Mechanistic Empirical Design Approach For The Evaluation Of Flexible Pavements
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Author : Karan Kapoor
language : en
Publisher:
Release Date : 2004
Mechanistic Empirical Design Approach For The Evaluation Of Flexible Pavements written by Karan Kapoor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Pavements categories.
Mechanistic Empirical Pavement Design Guide
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Author : Meng Chong Lee
language : en
Publisher:
Release Date : 2004
Mechanistic Empirical Pavement Design Guide written by Meng Chong Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Pavements categories.
Mechanistic Empirical Pavement Design Guide
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Author : American Association of State Highway and Transportation Officials
language : en
Publisher: AASHTO
Release Date : 2008
Mechanistic Empirical Pavement Design Guide 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 2008 with Pavements categories.
A New Design Framework For Flexible Long Life Pavements
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Author : Mahdi Ghazavi
language : en
Publisher:
Release Date : 2023
A New Design Framework For Flexible Long Life Pavements written by Mahdi Ghazavi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with Electronic dissertations categories.
Long-life pavements are designed and built to last for over 50 years without needing major structural rehabilitation or reconstruction. Reported benefits of such pavements include low life-cycle cost, less frequent repair and/or rehabilitation, lower user-delay costs and lower environmental impact. Several approaches exist to design long-life pavements, all of which are based on mechanistic-empirical principles. While designing long-life pavements, deep structural distresses (e.g., bottom-up cracking) are designed to never develop, by limiting the maximum critical stresses and strains. Only surficial distresses (e.g., top-down cracking, rutting etc.) are allowed to occur, but they are managed via periodic maintenances (e.g., mill and overlay). Several states in the US have built long-life pavements by enhancing structural design methods, using better materials, improving specifications and construction practices. In Michigan, four pilot long-life pavement sections were constructed between 2017 and 2019; two rigid and two flexible pavements. Each pilot project included a long-life and an accompanying standard (control) section constructed on the same highway. Modifications to standard designs and materials were made to extend their service life. The focus of this dissertation is on evaluation of the two flexible pavement projects. The scope of the study included as-built analysis of these pilot long-life projects to determine their potential for meeting the intended design and service lives. MDOT performed numerous field tests and collected material samples from these projects. Extensive analysis of the field data and numerous laboratory tests were conducted to characterize the material properties. As-constructed material properties were used in different mechanisticempirical (ME) design software to estimate the expected performance of all the pilot projects. Based on the detailed laboratory and field testing and the mechanistic-empirical performance predictions, recommendations were made in structural design, material selection, construction,℗ and quality control and quality assurance procedures. The main objective of this study is to perform a thorough analysis of the pilot flexible long-life projects which were designed based on state-of-the-practice methods and enhance the mechanistic-empirical design of these pavements and propose alternative design approach for long life pavements to potentially reduce life cycle cost and improve performance.
Mechanistic Empirical Evaluation Of The Mn Road Mainline Flexible Pavement Sections
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Author : Claribel Alvarez
language : en
Publisher:
Release Date : 1998
Mechanistic Empirical Evaluation Of The Mn Road Mainline Flexible Pavement Sections written by Claribel Alvarez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Granular materials categories.
This study utilized Illinois DOT (IDOT) mechanistic-empirical (M-E) technology and Mn/ROAD mainline pavement section data and information to verify/refine/modify IDOT M-E analysis and design concepts and procedures for full-depth asphalt concrete (FDAC) and conventional flexible pavements (CFP). The Mn/ROAD mainline flexible pavements include eleven CFP and three FDAC pavement sections. Four different granular materials were used in the conventional flexible pavements. A fine-grained soil subgrade (R-value of about 12) is present throughout the mainline. Laboratory material testing results, field distress measurements, and FWD test data were used to study pavement deflection response and performance (rutting and asphalt concrete fatigue). The study demonstrated that the IDOT M-E analysis and design procedures for FDAC and CFP sections are adequate. The ILLI-PA VE structural model adequately predicts the pavement responses. The use of bi-linear (arithmetic) subgrade model and the "theta" granular material model ILLI-PA VE inputs closely replicate CFP field FWD deflection responses. The effect of granular material quality on CFP deflection response is very limited. The ILLI-PAVE FWD backcalculation algorithms are adequate for estimating the moduli of asphalt concrete and sub grade soils.
Evaluation Of Current Louisiana Flexible Pavement Structures Using Pms Data And New Mechanistic Empirical Pavement Design Guide
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Author : Zhong Wu ((Of Louisiana State University (Baton Rouge, La.)))
language : en
Publisher:
Release Date : 2012
Evaluation Of Current Louisiana Flexible Pavement Structures Using Pms Data And New Mechanistic Empirical Pavement Design Guide written by Zhong Wu ((Of Louisiana State University (Baton Rouge, La.))) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Pavements categories.
An Evaluation Of The Aashto 2002 Mechanistic Empirical Design Guide For Flexible Pavements
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Author : Casey Whykiea Robinson
language : en
Publisher:
Release Date : 2004
An Evaluation Of The Aashto 2002 Mechanistic Empirical Design Guide For Flexible Pavements written by Casey Whykiea Robinson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Pavements, Flexible categories.
Pavement Design And Materials
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Author : A. T. Papagiannakis
language : en
Publisher: John Wiley & Sons
Release Date : 2017-02-22
Pavement Design And Materials written by A. T. Papagiannakis and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-22 with Technology & Engineering categories.
A comprehensive, state-of-the-art guide to pavement design and materials With innovations ranging from the advent of SuperpaveTM, the data generated by the Long Term Pavement Performance (LTPP) project, to the recent release of the Mechanistic-Empirical pavement design guide developed under NCHRP Study 1-37A, the field of pavement engineering is experiencing significant development. Pavement Design and Materials is a practical reference for both students and practicing engineers that explores all the aspects of pavement engineering, including materials, analysis, design, evaluation, and economic analysis. Historically, numerous techniques have been applied by a multitude of jurisdictions dealing with roadway pavements. This book focuses on the best-established, currently applicable techniques available. Pavement Design and Materials offers complete coverage of: The characterization of traffic input The characterization of pavement bases/subgrades and aggregates Asphalt binder and asphalt concrete characterization Portland cement and concrete characterization Analysis of flexible and rigid pavements Pavement evaluation Environmental effects on pavements The design of flexible and rigid pavements Pavement rehabilitation Economic analysis of alternative pavement designs The coverage is accompanied by suggestions for software for implementing various analytical techniques described in these chapters. These tools are easily accessible through the book’s companion Web site, which is constantly updated to ensure that the reader finds the most up-to-date software available.
Mechanistic Empirical Evaluation Of The Mn Road Low Volume Road Test Sections
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Author : Navneet Garg
language : en
Publisher:
Release Date : 1998
Mechanistic Empirical Evaluation Of The Mn Road Low Volume Road Test Sections written by Navneet Garg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Granular materials categories.
This study utilized I DOT mechanistic-empirical (M-E) procedures and Mn/ROAD low-volume road (LVR) data and information to verify/refine/modify analysis and design concepts and procedures for L VR flexible pavements. The Mn/ROAD L VR flexible pavements include conventional flexible, full-depth asphalt, surface-treatment and aggregate-surface sections. Laboratory test results, field distress measurements, and FWD test data were used to study the affect of granular material quality on pavement performance and deflection response. The results from the rapid shear tests, permanent deformation tests and field rutting measurements show that granular material rutting potential can be characterized by a rapid shear triaxial test at 15-psi confining pressure. For conventional flexible pavements, granular material quality did not affect the pavement deflection response, but material quality effects were significant for aggregate-surface and surface-treatment pavements. ILLI-PAVE predicted pavement responses were fairly accurate for sections with thicker asphalt concrete surfaces. The FWD deflection basin parameter AUPP (Area Under Pavement Profile) can be used to predict the strains at the bottom of AC layer. Effect of subgrade type on pavement response and performance was studied. Sandy subgrades showed little or no change in pavement structural response due to spring-thaw effects. For the cohesive subgrade sections, moisture changes and spring-thaw effects increased surface deflections. The study showed that the lOOT LVR flexible pavement mechanistic-empirical design concepts and procedures are valid and adequate.
A Mechanistic Method For Evaluation Of Layer Moduli And Overlay Design
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Author : NA. Ali
language : en
Publisher:
Release Date : 1989
A Mechanistic Method For Evaluation Of Layer Moduli And Overlay Design written by NA. Ali and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Deflection basin categories.
Nondestructive testing (NDT) has long been used to evaluate flexible pavement structures. The increasing popularity of nondestructive pavement evaluation methods, based on interpretation of surface deflection, has promoted the development of several types of NDT devices. One such device is the falling weight deflectometer (FWD), which is used for the purpose of pavement evaluation in North Carolina. This paper presents a methodology for the testing, evaluation, and determination of overlay thickness required for a given pavement section and subgrade condition. The overlay design procedure presented makes use of some of the recent developments for analysis and design of asphaltic concrete overlays. The evaluation of in-service pavements includes the use of the deflection parameters developed by testing of the existing pavements with known geometry for determining the moduli of various pavement layers and the required overlay thickness. The method utilizes empirical values and the VESYS structural subsystem as an integral approach complementary to each other.