This site will provide progress reports as well as links to other merelated resources. Calme also includes these major features, which are not included in the nchrp 7a mechanistic empirical pavement design guide. The design life could also be set to a higher value that insures failure to determine the actual mode and time of failure. Underneath are several approximate characteristics which you will understand after aashtoware pavement me design 20 liberated free download. Me design is a productionready software tool to support the daytoday pavement design functions of public and private pavement engineers. Development of the flexible pavement design for the me program was originally developed by arizona state university asu under a subcontract with applied research associates, inc. It is to be noted that the me software predicts pavement performance based on nationally calibrated performance models. Aashtoware pavement me design is a productionready software tool to support the daytoday operations. Acpas perspective is that pavement me is currently the most comprehensive and scientific approach to developing comparable pavement designs. More detailed information on pavement me is available through the aashto document titled mepdg. Darwin me timeline winter 20072008 ara highlevel software design document support and maintenance of mepdg v1. Recommended thickness design software for roadways. To assist in the cost effective and efficient design and construction of roadway pavements, njdot presents the following guidance, presentations, web links and examples. Mnpave flexible is a computer program that combines known empirical relationships with a representation of the physics and mechanics behind flexible pavement behavior.
Sunset planned for 12 months following release of darwinme v2. Implementation of the aashto mechanisticempirical pavement design guide and software. Fhwa considers implementation of mechanisticempirical pavement design a critical element in improving the national highway system. Recommended design input parameters for 1993 aashto design method. Is there any software that we can use for flexible pavement design calculations.
If you are interested in talking with us about me design, click here to have a tensar representative contact you. National academies of sciences, engineering, and medicine. The designer is referred back to darwinme pavement analysis and design manual for njdot volume 1, section 3 to ensure that the design strategy selected and prepared for analysis is consistent with those calibrated globally or locally in accordance with the mepdg software. Penndot pavement me design preliminary user input guide. Klk572 calibration of the aashtoware pavement me design. This free program specializes in the optimization of paved roadways as well as the stabilization of unpaved roadways and construction platforms. As per the case of pavement me design software, the best pavement responses in consideration to fatigue crack was the strain tensile at the asphalt concrete layer bottom and vertical strain used for rutting at the intermediate depth point of 0.
The michigan department of transportation mdot is currently working towards implementing the new aashtoware me pavement design software. Aashtoware pavement me design is a pavement design software, which builds upon the mechanisticempirical pavement design guide, and expands and improves the features in the accompanying prototype computational software. The office of pavement engineering developed the calfp v. Pavement me design software hereinafter pavement me design for crcp. We are working to resolve the issue as quickly as possible. Read chapter chapter two mechanisticempirical pavement design guide and aashtoware pavement me design software overview. Keywords calibration, hot mix asphalt, mechanisticempirical pavement design, pavement design, pavement performance, portland cement concrete, software disciplines. Refer to hdm topic 633 for new design procedures and hdm topic 635 for rehabilitation design procedures. Roads a software for pavement design and rate analysis. Many agencies are implementing or considering implementing mechanisticempirical pavement design guide mepdg tools, primarily aashtoware pavement me design, to develop and validate their designs. Full implementation of the aashtoware pavement me design method in idaho. Aashtoware pavement me design is a professional software for floor or pavement design that is based on experimental mechanical engineering design guidelines and improves prototype computing software features. Campus students are required to use it for their design activities. Aashtoware pavement me design is the next generation of pavement design software, which builds upon the nchrp mechanisticempirical pavement design guide, and expands and improves the features of the original prototype computational software.
Mnpave flexible minnesota department of transportation. Chapter two mechanisticempirical pavement design guide and aashtoware pavement me design software overview. Mechanisticempirical design national asphalt pavement. This project allows the pavement design engineers to realistically assess pavement distress and. Me design is a software tool designed to support the everyday design operations of pavement engineers publicly and privately. Aashtoware pavement me design is the next generation of pavement design software, which builds upon the nchrp mechanisticempirical pavement. 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. 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. As with other pavement design methods, close attention must be paid to the local calibration of variables within mepdg software to ensure that roads. Spectra me is used by tensars design teams around the world and is also available to suitably qualified pavement engineers experienced in me design. This guide provides useful information on design inputs, software usage, local calibrations, and outputs to. Darwin me pavement analysis and design manual for njdot. Spectrapave software provides pavement design engineers the most powerful tool available for evaluating roadway design options and optimizing pavement performance using tensar geogrids.
The mepdg is designed to update the 1993 aashto guide for design of pavement structures, which is primarily based on empirical observations from the aasho road test that began in the 1950s. The objective of this study was to develop a detailed and comprehensive pavement me design user input guide for penndot. Me design is a software tool designed to support the daily design operations of pavement engineers publicly and privately. 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. Current practice is 1993 aashto pavement design guide developed between late 50s and late 90s based on aasho road test vdot adopts 1993 process in early 2000 aashto declared sun set on 1993 design software e. The american concrete pavement association presents a new video that shows the features and benefits of, the cement and concrete industrys concrete pavement thickness design platform that allows users to design pavements free of charge using a computer or other digital devices the program was created for city, county, and consultant engineers, academia, or anyone. Pavement thickness design evolves with latest software.
The following table lists free txdot and fhwa engineering software to assist in highway design. Training on the use of the latest version of the software with the local calibration factors. The aashtoware pavement me design software is a comprehensive tool for the analysis and design of new and rehabilitated flexible and rigid pavement structures based on mechanisticempirical pavement design principles. 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. It provides an overview and minimum system requirements for. Publication details pavements federal highway administration. Implementing mechanistic empirical pavement design and. Future plans for aashto me pavement design software. Aashtos darwinme pavement design software starting in april 2011 and aashtoware pavement me design was the next generation of pavement design software as of february 20. Ara has continued to improve upon the software developed under nchrp project 7a, and the current versionaashtoware pavement me designis. Chapter two mechanisticempirical pavement design guide and. To help move the implementation forward, fhwa intends to provide significant support for these efforts.
Me design supports aashtos mechanisticempirical pavement design guide, interim edition. Sunset planned for december 2011 which is 12 months following the expected release of darwinme v2. This user guide is intended to help pavement designers use the pavement me design software to design the pavement crosssection on mdot projects. The goal of the mechanisticempirical pavement design guide mepdg is to identify the physical causes of stresses in pavement structures and calibrate them. 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. Secondly, to assist the pavement engineer with the crcp design process using the aashto pavement me design software, this technical summary describes the main crcp design inputs and identifies the most sensitive design inputs and features. Me pavement design is the latest generation of pavement design methodologies. Why do we need a new pavement design proceduressoftware. Software tools and solutions to design concrete pavements. The current software also includes, as reference for designers, the asphalt institute method for new pavement designs and the empirical caltrans rvalue method for both new and rehabilitation pavement designs.
Aashtoware pavement me design geoengineerings school. Aashtoware pavement me design is the next generation of pavement design software. A 20year design life is recommended when preparing structural designs in pavement me. Aashtoware pavement me design aashtoware pavement me design v2. Pavia systems, with sponsorship from the asphalt pavement alliance apa and its constituent members, has developed free online pavement thickness design software called pavexpress. Engineering software is currently unavailable for download using internet explorer. The pavement me deflection data analysis and backcalculation tools is a standalone software program that can be used to generate backcalculation inputs to the aashto pavement me design software for.
Mepdg software as aashtoware pavement me design, the standard for. Chapter two mechanisticempirical pavement design guide. Aashtoware pavement me design is the next generation of aashtoware pavement design software, which builds upon the mechanisticempirical. The software simplifies the process of using both the 1993 aashto design guide for asphalt pavements and 1998 aashto supplement for concrete pavements. This is a proprietary aashtoware computer software product. Engineering software texas department of transportation. Pavement design free pavement design software download. Aashtoware pavement me design is a mechanisticempirical pavement thickness design software that was formerly known as the. Specs, tables, charts, tender, manual, pavement learning course. The 1993 aashto guide for the design of pavement structures and previous versions is one of the primary documents used by state highway agencies for designing new and rehabilitated pavements. Can anyone help me to get the mepdg software for pavement.