It is built upon the nchrp mechanisticempirical pavement design. Implementation and use of mechanisticempirical me pavement design duration. The aashto guide for design of pavement structures aashto, 1993 is the primary document used to design new and rehabilitated highway pavements. Aashtoware pavement me design aashtoware pavement me design v2. Research under the united statescanada joint strategic highway research program and the long term pavement performance study has led to the development of the mechanistic empirical pavement design guide mepdg and its software package known as darwin me. Aashtoware pavement computational software, pavement me design formerly darwinme. Data preparation for implementing pavementme design darwinme mepdg by kevin d.
Preliminary studies were carried out to determine possible differences between aashtoware pavement me design, mepdg version 1. This user guide is intended to help pavement designers use the pavement me design software to design the pavement crosssection on mdot projects. Sunset planned for december 2011 which is 12 months following the expected release of darwinme v2. This webinar series was presented from december 19, 2012 through march 14, 20. Aashtoware pavement me design is the next generation of pavement design software. Chapter two mechanisticempirical pavement design guide and aashtoware pavement me design software overview. Local calibration studies on darwinmemechanisticempirical. Investigation of aashtoware pavement me designdarwinme. Ontarios default parameters for aashtoware pavement me design interim report.
Sunset planned for 12 months following release of darwin me v2. Sunset planned for 12 months following release of darwinme v2. Though the mepdg is recognized as a technological advance in pavement design, there are costs associated with implementing the new procedure. These 2 hour webinars covered the following topics. In 2010, adot contracted with applied research associates, inc. Local calibration of the mechanisticempirical pavement. Darwin is developed with microsoft windows visual basic studio. This document is also intended to help provide guidance for designers using the aashtoware pavement me software.
Ontarios default parameters for aashtoware pavement me. Recommended thickness design software for roadways. Pavement designanalysis software university of idaho. Specs, tables, charts, tender, manual, pavement learning course. Campus students are required to use it for their design activities. The mechanistic portions of the program rely on finding the tensile strain at the bottom of the asphalt layer, the compressive strain at the top of the subgrade, and the maximum. It provides details on software operation, design types to be used with me, the inputs to be used, and how to assess the design results. Evaluation of darwin me pavement rutting prediction models using data from albertas pavement management system. Although the core design process and computational engine have remained the same over the years, some enhancements to the pavement performance prediction models have been implemented along with other documented changes as the mepdg transitioned to aashtoware pavement me design software. Provide the transportation community with a production level, stateoftheart software tool for the analysis of new and rehabilitated pavement structures consistent with aashtos mechanistic empirical pavement design guide. Roads a software for pavement design and rate analysis. Pavement design guide mepdg and its companion software, darwinme.
Data preparation for implementing pavementme design. The software and accompanying documentation 4, represents a tremendous leap forward from the 1993 design guide 2 and software, darwin. Create initial trial design using pavement me software. This document is disseminated under the sponsorship of the pennsylvania department of transportation and the united states department of transportation in the interest of information exchange. Oklahoma state university conducted by department of civil engineering university of arkansas department of civil and environmental engineering oklahoma state university.
Recommended design input parameters for 1993 aashto design method. Darwin is compatible with all current microsoft windows operating systems. To assist in the cost effective and efficient design and construction of roadway pavements, njdot presents the following guidance, presentations, web links and examples. E as their latest technological advancement in pavement thickness design. Material characterization for the mepdg, the focus of this report, is significantly more fundamental and extensive. Once darwin software had been implemented, the previously mentioned classical topics remained the same. Me software will be required to extend these results to routine pavement design evaluations. This is a proprietary aashtoware computer software product. Aashtoware pavement me design is a mechanisticempirical pavement thickness design software that was formerly known as the mechanisticempirical pavement design guide mepdg and darwin me. Aashtoware pavement me design is a productionready software tool to support the daytoday operations of public and private pavement engineers. Trbs national cooperative highway research program nchrp synthesis 457. Chapter two mechanisticempirical pavement design guide and.
The mechanisticempirical pavement design guide mepdg was developed under national cooperative highway research program nchrp project 7a as a novel mechanisticempirical procedure for the analysis and design of pavements. Therefore, to support the implementation of darwinme and provide related pavement design guidelines for dotd design engineers, there is an urgent need to evaluate the darwinme pavement design software based on typical louisiana pavement structures and local conditions. The aashtoware pavement me design is the next generation of the american association of state highway and transportation officials aashto pavement design software, which builds upon the newly developed national cooperative highway research program nchrp mechanisticempirical pavement design guide mepdg. Chapter two mechanisticempirical pavement design guide. Ontarios default parameters for aashtoware pavement me design. Penndot pavement me design preliminary user input guide. Design a flexible pavement using different design procedures.
Darwin me flexible pavement design and flexible overlay design and. Implementation of the aashto mechanisticempirical pavement. This guide provides useful information on design inputs, software usage, local calibrations, and outputs to. Although the core design process and computational engine have remained the same over the years, some enhancements to the pavement. The aashtoware pavement me design is the next generation of the american association of state highway and transportation officials aashto pavement design software, which builds upon the newly developed national cooperative highway research program nchrp mechanisticempirical. Implementing mechanistic empirical pavement design and darwinme. Pavexpress is a free online tool to create pavement designs using key engineering inputs, based on the aashto 1993 and 1998 supplement pavement design process and equations. Subsequently, they renamed the software aashtoware pavement me design.
Aashto introduces the new aashtoware project user website, october 23, 2019. Mnpave flexible minnesota department of transportation. The mepdg was subsequently supported by aashtos darwinme and most recently marketed as aashtoware pavement me design software as of. The default values included in the mepdg software for resilient. The mepdg was subsequently supported by aashtos darwinme and most recently marketed as aashtoware pavement me design. The mepdg pavement design method and the darwinme software are being assessed by a growing number of transportation agencies in the us and canada, and researchers in many jurisdictions have published results from earlier studies. The aashto mechanisticempirical pavement design guide mepdg pavement performance models and the associated aashtoware pavement design software of darwinme are nationally calibrated using design inputs and distress data largely from the national longterm pavement performance ltpp.
Implementation of the aashto mechanisticempirical pavement design guide and software. Development of darwinme design guideline for louisiana pavement design. Implementation of the aashto mechanisticempirical pavement design guide and software documents the experience of transportation agencies in the implementation of the 2008 american association of state highway and transportation officials aashto mechanisticempirical pavement design. Submission of interest information topic 4406 guide. Evaluation of darwinme pavement rutting prediction models. Roads a software for pavement design and rate analysis of.
Further calibration and validation studies are necessary for. Darwin me pavement analysis and design manual for njdot. Design a rigid pavement using different design procedures. Additional calibration efforts using the recently released darwin. Implementation of mechanistic empirical pavement design guide mepdg and darwinme software 1. It reflects a change in the methods and procedures engineers use to design pavement structures by taking advantage of the advances in material mechanics, axleload spectra and climate data for. Darwinme pavement analysis and design manual for njdot. The objective of this study was to develop a detailed and comprehensive pavement me design user input guide for penndot. The vehicle class distribution should be site specific. It should also be noted that in 2008, aashto released the mechanisticempirical pavement design guide. Investigation of aashtoware pavement me designdarwin. Pavement me design september, 20 the american concrete pavement association acpa has long held the position that fair competition between the pavement industries in surface transportation infrastructure construction and rehabilitation provides the highest returned value to the american taxpayer. Mepdg design procedures are implemented in the new darwinme software currently under development and scheduled for release in april 2011.
Mdots past, present, and future with me pavement design. Ncat report 14 08 recalibration procedures for the. High volume secondary roadways average daily traffic adt 10,000 maybe designed using aashtoware pavement me version 2. Consultants may obtain the txcrcpme program from the district pavement engineer or the pavement asset management section of the maintenance division.
I am extremely interested and hopeful of being selected to conduct this synthesis study dealing with the implementation of the mepdg in. Implementation of the aashto mechanisticempirical pavement design guide and software documents the experience of transportation agencies in the implementation of the 2008 american association of state highway and transportation officials aashto mechanisticempirical pavement design guide. Pavement me design mepdgdarwinme is a significant advancement in pavement design, but requires much more inputs from various sources. Software tools and solutions to design concrete pavements. Further calibration and validation studies are necessary for local highway agencies implementation by. The mepdg was subsequently supported by aashtos darwinme and most recently marketed as aashtoware pavement me design software as of february 20. Acpas perspective is that pavement me is currently the most comprehensive and scientific approach to developing comparable pavement designs. Using the darwinme mechanistic empirical pavement design guide and cost analysis.
National academies of sciences, engineering, and medicine. Aashtoware pavement me design is the next generation of aashtoware pavement design software, which builds upon the mechanisticempirical. Approximately 80% of all states use the aashto pavement design procedures, with the majority using the 1993 version. Darwin is also fast, easy to use, and can streamline many. Sunset planned for december 2011 which is 12 months following the expected release of darwin me v2. Darwinme pavement design software aashto subcommittee. Through the transportation pooled fund study tpf5242, a fullproduction software prepme with comprehensive database features has. The use of darwin under windows emulators for macos or linux has been reported by several users but we have not tested these compatibilities. Catalog of material properties for mechanistic empirical. Aug 09, 2011 rate analysis of 498 items of road works, std.
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