Designing the right pavement for the job got easier thanks to pavexpress, a free. The civilweb aashto rigid pavement design spreadsheet completes the design of concrete roads or pavements in accordance with aashto 1998. Darwin me pavement analysis and design manual for njdot. Aashtoware is a unique and powerful enterprise software suite designed by transportation professionals for transportation professionals. Most pavement designs produced by wsdot originate in one of the six regions. Key topics include the longstanding me pavement design guide as well as the aashtoware pavement me design program. All pavement design requirements are included in the wsdot pavement policy pdf 1.
Among the rational methods, the highest deflection is implemented. Chapter two mechanisticempirical pavement design guide and. To help agencies and contractors meet the demand for highquality pavements, napas asphalt pavement magazine regularly provides articles that directly address issues such as mix type selection and statistical specifications pavexpress is a free, webbased tool for the structural design. The program uses the flexible pavement design methodology in the 1993 aashto guide for design of pavement structures. Contact the district pavement engineer or mnt pavement asset management for further assistance. Aashto issues revised pavement design guide aashto journal.
Bituminous testing spreadsheet version 2, xlsm 400 kb if you have data in a version 1 spreadsheet and would like it updated to version 2, contact bruce. In particular, the recent additions of a thin asphalt overlay reflection cracking model and a bonded concrete on asphalt design procedure provide solutions for rehabilitating and maintaining existing infrastructure. Software tools and solutions to design concrete pavements. A free, online tool to help you create simplified pavement designs using key engineering inputs, based on the aashto 1993 and 1998 supplement pavement design process. By using newer data collected as part of the longterm pavement performance.
No other software matches its effectiveness for transportation project design and management. Based on engineering mechanics that have been validated through extensive road test performance data, the manual references aashtoware pavement me design and me pavement crafted as part of the aashto s software development program major revisions in the third edition of this manual include. In other words, there must be some assurance that a pavement will perform as intended given variability in such things as construction, environment and materials. Use of the 1993 aashto guide, mepdg and historical performance to update the wsdot pavement design catalog. The user provides soil subgrade and drainage information, anticipated traffic loads as 18,000 lb 80 kn axle loads. The 1993 aashto guide for the design of pavement structures and. However the procedure for rigid pavement design is identical in both the 1986 and 1993 guides. Aashtowares pavement me software for mechanisticempirical design. The manual references aashtoware pavement me design, me pavement design software, commercially available through aashtoware, aashto s software development program. The accompanying software, aashtoware pavement me design, was released in 2011. Aashtoware pavement me design is the next generation of aashtoware pavement design software, which builds upon the mechanisticempirical. Aashtoware pavement me design is the next generation of pavement design software. This report compares the caltrans and aashto pavement thickness design procedures.
Pcapav for damage analysis of pcc pavements based on the pca design method. Pavement design highway users have an increased awareness of pavement quality. A simplified pavement design tool county engineersmd. Can anyone help me to get the mepdg software for pavement.
Recommended design input parameters for 1993 aashto design method. The reliability of the pavement designperformance process is the probability that a pavement section designed using the process will perform satisfactorily over the traffic and environmental conditions for the design period aashto, 1993 1. Aashto guide for design of pavement structures this book provides approaches to pavement design including design and management principals, procedures for new construction or reconstruction, and procedures for rehabilitation of existing pavements. To assist in the cost effective and efficient design and construction of roadway pavements, njdot presents the following guidance, presentations, web links and examples. Pavement thickness design evolves with latest software asphalt. The 1993 aashto guide for design of pavement structures is the only approved design method for cpcd projects at txdot. Stand alone software version of the pavement design portion of the ce calc website. Pdf aashto guide for design of pavement structures 1993. The latest version is the 1993 guide that includes the overlay design procedure. By default, the tool uses a layer coefficient a of 0.
Software tools and solutions to design concrete pavements wcpa 2017 annual concrete pavement workshop february 15 17, 2017. Me design supports aashto s mechanisticempirical pavement design guide, interim edition. Campus students are required to use it for their design activities. Calculate proper pavement thickness with free online tool. The aashto guide also contains design procedures for rehabilitation of rigid pavements, including asphalt concrete overlays or portland cement concrete pcc overlays of existing rigid pavements. A webbased procedure is described for preparing routine designs, which designers can use for most new and reconstructed pavements in kentucky. Pavexpress, a webbased pavement scoping tool that simplifies the design of flexible and rigid pavements, is also based on aashto 93. Chapter two mechanisticempirical pavement design guide and aashtoware pavement me design software overview. In 2010, adot contracted with applied research associates, inc. Aashto pavement thickness design guide when designing pavement thickness for flexible and rigid pavements, the following considerations should be used. Preliminary procedure for structural design of pervious concrete pavements. Spectrapave software provides pavement design engineers the most powerful tool available for evaluating roadway design options and optimizing pavement performance using tensar geogrids.
Mepdg software as aashtoware pavement me design, the standard for. Acpas perspective is that pavement me is currently the most comprehensive and scientific approach to developing comparable pavement designs. The software only asks users for inputs required to create technically sound. Download a pdf of implementation of the aashto mechanisticempirical pavement design guide and software by the national academies of sciences. Pavement designanalysis software university of idaho. Pavement calculator pavement design calculator software. Pavexpress is a free online tool to create pavement designs using key engineering inputs, based on the aashto 1993 and 1998 supplement pavement design. The mepdg is designed to update the 1993 aashto guide for design of pavement structures, which is. With rpd you can perform the verification procedures by empirical methods as proposed by aashto in the document guide for design of pavement structures or by rational methods. 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 design process is based on the predictive performance of a pavement section to be designed to predefined parameters identified as failing.
Aashtoware pavement me design is the next generation of aashtoware pavement design software, which builds upon the mechanisticempirical pavement design guide, and expands and improves the features in the accompanying prototype computational software. The design comparisons include pavement structures subjected to a range in traffic, as represented by traffic indexes of 7, 9, 11, and 15, and a range in subgrade strengths, as measured by subgrade rvalues of 5, 20, and 40. Flexible pavement design, calculator, sn, aashto design, structural number. Thus, computed engineering designs and economic benefits are not easily translated to other geosynthetics.
It identifies key inputs specific to pavement design of kentuckys roadways. Pavement thickness design evolves with latest software. Downloads software american concrete pavement association. By using newer data collected as part of the longterm pavement performance ltpp program. 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. Accessible via the web and mobile devices free no cost to use based on aashto pavement design equations userfriendly share, save, and print project designs. Publication details pavements federal highway administration. This free program specializes in the optimization of paved roadways as well as the stabilization of unpaved roadways and construction platforms. The fourth aashto pavement me national users group meeting last week provided engineers and other stakeholders the opportunity to discuss issues related to mechanisticempirical me pavement design.
The simplified pavement design tool is based upon design equations from the 1993 aashto guide for the design of pavement structures and the 1998 supplement to the aashto guide for the design of pavement structures. The aashto pavement me design software continues to evolve in a way that addresses current transportation agency needs. Software programs interlocking concrete pavement institute. Perviouspave evaluation version acpas perviouspave is design software that provides results optimized for both structural and stormwatermanagement requirements by determining. Me design supports aashtos mechanisticempirical pavement design guide, interim edition. 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. This is a proprietary aashtoware computer software product. Design procedures use experimentally derived input parameters that are often geosynthetic specific.
It is built upon the nchrp mechanisticempirical pavement design. Aashto introduces the new aashtoware project user website, october 23, 2019. While the standards contained in this manual provide a basis for uniform design practice for typical pavement design situations, precise rules which would apply to all possible situations are impossible to give. The software simplifies the process of using both the 1993 aashto design guide for asphalt pavements and 1998 aashto supplement for concrete pavements. Aashto guide for design of pavement structures download. To help highway managers and engineers implement the improved aashto 1998 supplement design guide for rigid pavements, ltpp developed a software program called rigid pavement design software. Rpd is a software that implements automatic procedures for pavements verification calculations. Aashto flexible pavement design sn determination design inputs w18 6,100,000 esals applications over design period r 95 % reliability so 0. Pavement design ensures that highway pavements are properly designed by providing the oversight, expertise and design tools required for pavement design. Performs civil engineering calculations for trafficroad geometry, surveyingearthwork, pavement, concrete floors and unit c download transportation engineering software pavement calculator 2. This design produces a rigid slab thickness in inches required to support the estimated traffic under a selected serviceability interval and estimated support and environmental conditions. This is the design thickness used in other calculations an b rigid pavement design based on aashto supplemental guide reference.
For help on the use of this excel tool, you can download its instruction text file. Implementation of the aashto mechanisticempirical pavement. Paveinstruct accompanies pavexpress, a webbased software created to design flexible and rigid pavements using aashto 9398. Aashto guide for design of pavement structures 1993. This manual provides guidance on utilizing aashtos software package pavement me design, version 2. Pavement design is primarily a matter of sound application of acceptable engineering criteria and standards. Therefore, users of this document are encouraged to affirm their designs with field verification of the reinforced pavement performance, both in engineering design and. Winpas 12, which is based on the commonlyused aashto 1993 pavement design guide, has been updated to make it compatible with current windowsbased operating systems, has a new gui or graphical user interface, and includes updated help screens which make the software easier to use than ever before.
The mepdg is designed to update the 1993 aashto guide for design of pavement structures, which is primarily based on empirical observations from the. What is cbr testing california bearing test learn more about testing the soil duration. Pavia systems, with sponsorship from the asphalt pavement alliance apa and its constituent members, has developed free online pavement thickness design software called pavexpress. It allows compliant concrete pavement designs to be completed in minutes with our unique design analysis tools showing the designer at a glance the optimum concrete pavement thickness. The paveinstruct learning module is a webbased pavement design education system with video instruction by leading industry experts.
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