An integrated pavement design suite for highways, streets, parking lots, airports, and industrial facilities supporting heavy wheel loads. Pavement lca athena sustainable materials institute. 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. This software was originally produced by asphalt institute. Permeable design pro develops opengraded aggregate basesubbase thickness solutions at the site scale for supporting traffic, and for water storage and infiltration.
Asphalt institute sets the record straight with nrmca software. Monitor field performance of fulldepth asphalt pavements to validate design procedures. This is because the asphalt institute design method requires complex calculations of the horizontal strains induced in the pavement system under load. An asphalt pavement is made up of multiple layers, namely subgrade, subbase, base, surfacing and wearing course. Design of flexible pavement using aashto method youtube. Pavexpress is a free online tool to create pavement designs using key engineering inputs, based on the aashto 1993 and 1998 supplement pavement design. Thickness designasphalt pavements for highways and. The ninth edition presents a multi layered elastic design approach to pavement thickness design, rather than empirical.
This is a free, webbased, online pavement design tool using the equations developed for the aashto 9398 pavement design process. Program users include design professionals such as civil engineers, environmentalwater resource engineers. About perpetual pavements asphalt pavement alliance. Using the pavexpress design tool with the asphalt institutes danny gierhart. By order of the executive director office of the federal register washington, d. It includes an asphalt crosssection design process based on the asphalt institute method to create an equivalent asphalt design for the load carrying capacity requirement. The software includes a large equipment and materials database and the flexibility to specify unique pavement systems subbase and base granular materials as well as hot and warm mix asphalt and a host of userspecified concrete mix designs. Pdf fatigue and rutting analysis of asphaltic pavement.
These faqs are categorized into subject areas listed in the contents dropdown box below. Calme also includes these major features, which are not included in the nchrp 7a mechanistic empirical pavement design guide. Fulldepth asphalt pavement for parking lots, service stations and driveways, 5th edition. Spectrapave software provides pavement design engineers the most powerful tool available for evaluating roadway design options and optimizing pavement performance using tensar geogrids.
Attendance of the asphalt institute s mix design technology course is not a mandatory prerequisite, but we encourage attendance to best prepare the student for this advanced course on mixture analysis. The software is written in strict conformance to the asphalt institute ms1, ms11, ms17, and ms23. About perpetual pavements the perpetual pavement concept was first articulated in 2000 and the concept has rapidly gained acceptance. The asphalt institute design method for flexible pavements. Thickness design full depth asphalt pavement structures for highways and streets, the asphalt institute, manual series 1 ms1 other versions 1981 9th edition, me. The asphalt institute developed sw1 to provide users the capability to design asphalt pavements for highways, streets, parking lots, airports, industrial facilities supporting.
This comprehensive publication captures the activities that have taken place over the last decade, synthesizes the information in way that is. Software development pakpave for flexible pavement design. Walubita transportation researcher texas transportation institute and tom scullion senior research engineer texas transportation institute product 04822p6 project 04822 project title. Next, the type of mixture is entered along with the type of surface being paved. The asphalt institute s component analysis design approach termed effective thickness by the asphalt institute uses relationships between subgrade strength, pavement structure, and traffic asphalt institute, 1983. Training opportunities national asphalt pavement association. This guide presents examples of designs, procedures, and applications that have. Pavement calculator pavement design calculator software. There is no plan to update either software package. Welcome to sw1, thickness design software for asphalt pavements from the. Permeable design pro provides hydrological and structural solutions for permeable interlocking concrete pavement picp via this allinone application. Pavecool was developed to assist asphalt contractors, inspectors and engineers to make rapid decisions regarding coolweather paving. In this video, you will know how to design a flexible pavement using aashto method and curves to make you available to develop structure pavement. The program also has the capability to normalize the backcalculated asphalt concrete layer moduli to any required temperature.
Mechanisticempirical design asphalt institute method. Software programs interlocking concrete pavement institute. Asphalt pavement thickness and mix design asphalt institute. Pavia systems, with sponsorship from the asphalt pavement alliance apa and its constituent members, has developed free online pavement thickness design software called pavexpress.
Structural model pavement response failure criteria trial layer thicknesses material properties climate information final layer thicknesses satisfactory traffic information unsatisfactory climate model 2. Asphalt pavement thickness and mix design while there are an infinite number of questions that can be asked, we compiled a list of those questions that have been directed to us the most. This 2016 asphalt pavement design guide has been prepared to assist readers in understanding asphalt mix pavement design, construction, and rehabilitation. Sw1 asphalt thickness design for highways, airports. Njdot pavement and drainage management and technology. The software simplifies the process of using both the 1993 aashto design guide for asphalt pavements and 1998 aashto supplement for concrete pavements. The user enters the time of day, the date and the latitude of the paving job. Materials inputs for mechanistic empirical pavement design. Optimizing volumetrics using the bailey method asphalt. Comparative analysis of various asphalt pavement design methods. The program calculates inflow and outflow from picp under a variety of design options and base. Asphalt institute sets the record straight with nrmca software ai just released a document that illustrates inaccuracies and manipulation of asphalt thickness design and cost analysis within concrete pavement analyst cpa a computer program developed and distributed by the national ready mix concrete association to help consultants.
Stonemontqc aggregate and asphalt capabilities are completely integrated thus allowing mix component properties to be easily updated or substituted from aggregate plants. 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. Component analysis asphalt institute pavement interactive. Box 14052, lexington, ky 405124052 asphalt institute. National pavement preservation roadmap external link. Quality asphalt pavement may be constructed in a wide range of soil, weather, and loading conditions. Releasing nextgeneration software often requires a muchneeded modernization of the hardware.
The two key components of pavement design are mix design and structural design. Texas perpetual pavements new design guidelines by lubinda f. Asphalt institute member portal shop product details. The software is written in strict conformance to the asphalt institute ms1, ms11, ms17, and ms23 manuals. The software is brimming with quick help buttons to assist the designer with obtaining and properly inputting the necessary information. Design serving the needs of liquid asphalt manufacturers and suppliers worldwide since 1919. The most popular version among asphalt institute sw1 users is 1. Asphalt institute sw1 the asphalt institute developed sw1 to provide users the capability to design asphalt pavements for highways, streets, parking lots, airports, industrial facilities supporting heavy wheel loads, and other applications. Users can design aggregate, cement or asphalt stabilized, or asphalt bases. An integrated pavement design suite for highways, streets, parking lots, airports, and. Asphalt mix design and quality control software management system stonemontqc includes powerful asphalt mix design and quality control features for asphalt producers. The user provides soil subgrade and drainage information, anticipated traffic loads as 18,000 lb 80 kn axle loads up to 10 million, and the base. Asphalt institute methodology structural models pavement response failure criteria. The program uses the flexible pavement design methodology in the 1993 aashto guide for design of pavement structures.
The goal of mix design is to determine the optimum mixture of component materials for a given application. Debunking acpa streetpaves claim asphalt institute. The structural design of flexible pavements according to the asphalt institute design method is not practical to complete by hand. Sw1 asphalt thickness design for highways, airports, heavy. A mechanisticempirical pavement thickness design program based on familiar asphalt institute methods. Acpa reaches decisionmakers at companies involved in both placement and rehabilitation of concrete pavements used in highways, airports, street, roads, or industrialcommercial facilities. Esub 10,000 psi design esal 1,000,000 need to design a pavement with hma surface, emulsified mix type i base, and 8aggregate subbase work exampleon theboard topic 6 asphalt institute design procedure 6. Aasho road test aashto method adjusted design eal analysis period applied asphalt concrete surface asphalt institute astm axle load base and subbase base courses base type calculated chapter chart vi1 compacted costs design charts design eal values design lane design period design procedure design subgrade resilient design thickness design. Construction faqs construction documents intelligent compaction tack coat information qcqa bailey method materials pavement performance superpave warmmix.
Save permeable pavement design timeand access free updates 247. Design software interlocking concrete pavement institute. The acpa describes the program on the back of the software cdrom jacket as follows. This flexible pavement software can save the precious time and avoid the errors and difficulties occurring during the conventional methods of design. See the recommended thickness design software section below for current and robust alternatives to sw1. Thickness designfull depth asphalt pavement structures for highways and streets name of standards organization. The software only asks users for inputs required to create technically. If you know of a design tool thickness design software, stressdeflection analysis software, etc.
Stand alone software version of the pavement design portion of the ce calc website. Pavement thickness design evolves with latest software asphalt. The software is written in strict conformance to the asphalt institute ms1. Using the pavexpress design tool with the asphalt institutes.
Pavewpress includes access to resources such as design guides from state dots and industry associations so you can build formal designs from its simple recommendations. Asphalt pavement thickness design software for highways, airports, heavy wheel loads and other applications users guide were driven. Asphalt institute method spreadsheet civilweb spreadsheets. Pavexpress is based on the aashto 9398 pavement design equation and has been tested and endorsed by kdot. Serving the needs of liquid asphalt manufacturers and suppliers worldwide since 1919. Training one of the keys to quality is a welltrained workforce. Tti updates pavement design software fps21 will help pavement engineers better assess how perpetual pavement structures meet everincreasing traffic loads. Design tools international society for concrete pavements. Regarding mix design software, many state dots have their own required software to be. It allows custom roadway design, or users can draw from a library of over 150 existing roadway designs. With proper training and education, workers know how to get the job done right and even experienced workers benefit from the chance to learn about new techniques, technologies, and evolving best practices. Asphalt institute member portal shop product catalog.
Streetpave 12 also offers an asphalt crosssection design process based on the asphalt institute method to create an equivalent to asphalt design for the load carrying capacity requirement. The existing structural integrity of the pavement is converted to an equivalent thickness of hma, which is then compared to that required for a new design. Pavement design highway users have an increased awareness of pavement quality. Figure 27 relation of french method and asphalt institute formulas in rutting depending. Publicationssoftware publications is 220, ppa modification is 215er 215, pma performance new ms4 asphalt handbook under developmentfall 2007 software sw1, thickness design conversion of dos pavement design and analysis software to windows.
Road is one of the main infrastructures that play a crucial role in economy development of countries. Pavement thickness design evolves with latest software. Performs civil engineering calculations for trafficroad geometry, surveyingearthwork, pavement, concrete floors and unit c download transportation engineering software pavement calculator 2. A life cycle cost analysis module allows you to perform a detailed costbenefit analysis and make informed decisions on your pavement design project. Verified comparative analysis of various asphalt pavement. Pavement engineering is a key factor to design and construct optimum roads. Pavement design aims at determining the total thickness of the pavement structure as well as the thickness of the individual structural components for carrying the estimated traffic loading under the prevailing climatic conditions with satisfactory performance of the pavement. The apas newest technical document on the subject is perpetual asphalt pavements. One of the best parts of a software upgrade is seeing the new features.