Guidelines For Implementing Nchrp 1 37a M E Design Procedures Literature Review
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Guidelines For Implementing Nchrp 1 37a M E Design Procedures Literature Review
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Author :
language : en
Publisher:
Release Date : 2009
Guidelines For Implementing Nchrp 1 37a M E Design Procedures Literature Review written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Pavements categories.
Highway agencies across the nation are moving towards implementation of the new AASHTO Mechanistic-Empirical Pavement Design Guide (MEPDG) for pavement design. The benefits of implementing the MEPDG for routine use in Ohio includes (1) achieving more cost effective and reliable pavement designs, (2) lower initial and life cycle costs to the agency, and (3) reduced highway user impact due to lane closures for maintenance and rehabilitation of pavements. Implementation of the MEPDG is a process that requires time and agency resources (staffing, training, testing facilities including equipment, and so on). A key requirement is validating the MEPDG's nationally calibrated pavement distress and smoothness prediction models when applied under Ohio conditions and performing local calibration if needed. Feasibility of using the MEPDG's national models in Ohio was investigated under this study using data from a limited number of LTPP projects located in Ohio. Results based on limited data showed inadequate goodness of fit and significant bias in a number of the MEPDG new HMA pavement and JPCP performance prediction models. Limited recalibration of these models showed promising results indicating that a full-scale recalibration effort using a more extensive database assembled from projects located throughout the state is feasible.
Guidelines For Implementing Nchrp 1 37a M E Design Procedures Summary Of Findings Implementation Plan And Next Steps
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Author :
language : en
Publisher:
Release Date : 2009
Guidelines For Implementing Nchrp 1 37a M E Design Procedures Summary Of Findings Implementation Plan And Next Steps written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Pavements categories.
Guidelines For Implementing Nchrp 1 37a M E Design Procedures Mepdg Models Validation Recalibration
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Author :
language : en
Publisher:
Release Date : 2009
Guidelines For Implementing Nchrp 1 37a M E Design Procedures Mepdg Models Validation Recalibration written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Pavements categories.
Guidelines For Implementing Nchrp 1 37a M E Design Procedures Sensitivity Analysis
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Author :
language : en
Publisher:
Release Date : 2009
Guidelines For Implementing Nchrp 1 37a M E Design Procedures Sensitivity Analysis written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 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.
Guide For The Local Calibration Of The Mechanistic Empirical Pavement Design Guide
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Author :
language : en
Publisher: AASHTO
Release Date : 2010
Guide For The Local Calibration Of The Mechanistic Empirical Pavement Design Guide written by and has been published by AASHTO this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Technology & Engineering categories.
This guide provides guidance to calibrate the Mechanistic-Empirical Pavement Design Guide (MEPDG) software to local conditions, policies, and materials. It provides the highway community with a state-of-the-practice tool for the design of new and rehabilitated pavement structures, based on mechanistic-empirical (M-E) principles. The design procedure calculates pavement responses (stresses, strains, and deflections) and uses those responses to compute incremental damage over time. The procedure empirically relates the cumulative damage to observed pavement distresses.
Guidelines For Pcc Inputs To Aashtoware Pavement Me
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Author :
language : en
Publisher:
Release Date : 2014
Guidelines For Pcc Inputs To Aashtoware Pavement Me written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Aggregates (Building materials) categories.
The objective of this research study was to develop guidelines for portland cement concrete (PCC) material inputs to the AASHTOWare Pavement ME Design program. The AASHTOWare Pavement ME Design is the software program used by the Mississippi Department of Transportation (MDOT) to develop pavement design alternatives based on the mechanistic-empirical pavement design guide (MEPDG) procedure originally developed under National Cooperative Highway Research Program (NCHRP) Projects 1-37A, 1-40D, and 20-07/Task 288 & 327. MDOT has conducted several research projects to support the implementation of the MEPDG and for increasing the accuracy of the distress prediction models calibrated for local conditions and material sources. The current project focuses on PCC material inputs that represent the mix designs, cementitious materials, and the aggregate sources that will be used in future paving projects. This report provides a summary of laboratory test results of 20 mix designs that include five different aggregate sources and four different options for supplementary cementitious materials (SCM) for partial cement replacement. The laboratory test results represent level 1 and 2 PCC material inputs and report the flexural strength, compressive strength, elastic modulus, poisson's ratio, coefficient of thermal expansion (CTE), and percent length change measurements. Strength and modulus data, are reported for 7, 14, 28, and 90 days as required by the MEPDG. The CTE measurements are reported at 28-days, while the shrinkage length change measurements are reported for ages of 7, 11, 14, 21, 35, 63, 119, and 231 days. Level 2 correlation equations were developed based on compressive strength and other index properties to estimate flexural strength and elastic modulus. In general, these models demonstrate a slight deviation for the default level 2 models used in the global calibration of the MEPDG. Level 2 equations were also developed for each aggregate type and it is recommended that future efforts by MDOT for the recalibration of the rigid pavement distress prediction models should examine the sensitivity of these level 2 correlation equations and provide recommendations in the MDOT Design Manual.
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.
Implementation Of The Aashto Mechanistic Empirical Pavement Design Guide And Software
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Author :
language : en
Publisher:
Release Date : 2014
Implementation Of The Aashto Mechanistic Empirical Pavement Design Guide And Software written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Pavements categories.
Introduction -- Mechanistic-Empirical Pavement Design Guide and AASHTOWare Pavement ME Design (TM) Software Overview -- Survey of Agency Pavement Design Practices -- Common Elements of Agency Implementation Plans -- Case Examples of Agency Implementation -- Conclusions.
High Speed Weigh In Motion System Calibration Practices
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Author : A. T. Papagiannakis
language : en
Publisher: Transportation Research Board
Release Date : 2008
High Speed Weigh In Motion System Calibration Practices written by A. T. Papagiannakis 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 2008 with Motor vehicle scales categories.