Flexible overlay pavement design example 1993 aashto pavement. Streetpave 12 is the latest in jointed plain concrete pavement thickness design. Customize graphic overlay design based in china is your reliable manufacturing partner of the best graphic overlay and related products. Pavement design software iit pave, design of pavement section, civil engineering 4. In addition, concrete overlays contribute to more sustainable construction practices by preserving pavement service for several decades beyond its original design life. If performing alternative analyses, save the project with a different name before changing it to a different design type. The degree of surface preparation for an overlay is dependent on the condition and type of the existing pavement. Pca pavement design method current iowa dot concrete pavement design method mndot allows use of streetpave by city, county and consulting engineers. Generally, the existing pavement should be structurally sound, level, clean and capable of bonding to the overlay. Njdot pavement and drainage management and technology. Distribution statement concrete pavement, concrete overlays, concrete overlay design methodologies no restrictions. Thickness design of a rollercompacted concrete composite pavement system many agencies continue to investigate ways of optimizing pavement designs to save money while still providing a durable pavement structure.
Flexible pavement design with bbd, vdf, msa analysis. Layered elastic analysis everstress fwd pavement modulus backcalculation evercalc flexible pavement overlay design everpave to install the everseries programs on your computer, click. The national concrete pavement technology center cp tech center aims to expedite the application of concrete pavement research and advanced approaches and technologies in everyday paving practiceincluding via the following training webinars and videos. As indicated by figure 1, existing pavement characterization is an integral design factor. We can screen print exactly what you want and give you visually appealing graphic overlays for the devices. The aashto pavement me design software continues to evolve in a way that addresses current transportation agency needs.
Thickness design of a rollercompacted concrete composite. Design of overlay irc design curves relating characteristic pavement deflection to the cumulative number of standard axles are to be used. One of its capabilities is to divide the year into different seasons. Mechanisticbased overlay design procedure for washington. Perviouspave evaluation version acpas perviouspave is design software that provides results optimized for both structural and stormwatermanagement requirements by determining. Bonded concrete overlay software programs 525 recommended design procedures see previous page for links 1.
Other pavement design resources asphalt paving alliances construction checklist for parking lots this checklist is designed to help the onsite inspector or owners representative identify key aspects of parking lot construction and best practices known to produce a quality pavement project. It is identified that the pavement is structurally good but riding quality is reduced due to lack of maintenance strategy. Feb 18, 2016 the overlay options are for the design and optimisation of pavement overlay design. Key words reflective cracking, rutting, stress intensity factor, overlay test, repeated load test, asphalt overlay. Acpa offers a variety of concrete pavement and concrete overlay thickness design software, including. Flexible overlay pavement design example 1993 aashto pavement design project name and location. This contains two methods of pavement overlay design. Aashto guide for design of pavement structures 1993 aashto guide, 2 the mechanisticempirical pavement design guide mepdg, and 3 the acpa method for bonded concrete overlays on asphalt bcoa pavements. Downloads software american concrete pavement association.
Newly added with this version is jointed plain concrete overlay designs for all six types bonded on ashpalt, unbonded on asphalt, bonded on concrete, unbonded on concrete, bonded on composite, unbonded on compsosite. This spreadsheet will perform the calculations required by chapter 54 of the bde manual to determine a design thickness and conduct a lifecycle cost analysis. It is userfriendly, where project designs can be shared, saved and printed. Click on settings button in pavement design window, settings window will appear. Want to understand more about cementbased pavement solutions and the best practices for designing them. State aid rigid pavement design guidelines pdf, 175 kb mnpaverigid pavement design. Pavement design using empirical or layered elastic methodology for. Existing surface preparation for overlays pavement. This procedure incorporates the use of pavement deflections measured using a falling weight deflectometer, layered elastic theory stress and strains, seasonal variations in the base and subgrade materials due to temperature. Pcase software is considered public information and is therefore free to all users. The design traffic in terms of cumulative standard. The condition of the existing pavement structure is one of the main factors affecting the design of concrete overlays. Several state agencies also have customized design methods or software for the various types of concrete pavements. This project will consist of the construction of a flexible overlay of an existing flexible pavement to extend route 123 to intersect with route i80 in north jersey.
Pavement thickness design evolves with latest software asphalt. The overlay options are for the design and optimisation of pavement overlay design. The flexible pavement system fps is a mechanisticempirically me based design software routinely used by the texas department of transportation txdot for. Need a video tutorial on how to use pavementdesigner to design a pavement. This system is ready for statewide pilot implementation. This is different than a total replacement of the structure, and is typically done when there is only minor to modest damage to the existing pavement structure. The federal aviation administration has faarfield for concrete airfield design and the u. This design procedure incorporates nondestructive testing ndt to estimate layer resilient moduli, seasonal. In this post, the various methods of traffic and pavement analysis are discussed. For both overlays and new pavements, the software only asks users for inputs required to create technically. A simplified pavement design tool asphalt pavement association.
The revised design software has been implemented into a design. The tools are only available for use when roadway designers display mode is set to overlay. Flexible pavement layer moduli calculations can be performed using several wellknown software programs among which modulus, evercalc, and elmod. The first method, the 1993 aashto guide, is the procedure most commonly used today for concrete overlay thickness design. Concrete overlays offer costeffective, versatile, short and longterm solutions for the full range of concrete, asphalt, and composite pavement needs. Click download or read online button to get shell pavement design manual asphalt pavements and overlays for road traffic book now. Infrastructure consulting group sustainable engineering. This procedure incorporates the use of pavement deflections measured using a falling weight deflectometer, layered elastic theory stress and.
Falling weight deflectometer fwd mndot pavement design. Pavement design resources flexible pavements of ohio. In this help, the complete procedure is explained in the following 5 topics. The current odot pavement overlay thickness design procedure is based on the structural deficiency approach recommended by the 1993 aashto pavement design guide.
College of engineering offices engineering network services software page for graduate students. Software for designing pavement overlayreconstruction. It is a 1inch thick asphalt overlay that corrects minor surface distresses, provides increase to pavement strength. The overlay options is available to all users with the detailed alignment design and volumes modules. The software package developed in this study has been provided to txdot. Pavement me design software hereinafter pavement me design for crcp. The revised design software has been implemented into a design software program, which also offers an optional feature that takes into consideration the temperature effects on the. The current odot pavement overlay thickness design procedure is based on the. 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.
The program is based on the results of research conducted for ahtd and. Pavement thickness measurements and anomaly detection using gpr. Streetpave 12 is available as a free download and may be used without a license for upto 30 days. Ppt overlay design workshop for flexible pavements. Army corps of engineers has pcase for their structural design applications related to airfields and roadways. Open esurvey civil tools interface click on new file menu under file menu. Prepare specifications to achieve design residual strength of frc. The washington state dot has developed a layered elasticbased software package called the everseries pavement analysis. Shell pavement design manual asphalt pavements and. A mechanistic computer program pavement interactive. Introduction to pavement overlay 02 overlay design youtube. The software simplifies the process of using both the 1993 aashto design guide for asphalt pavements and 1998 aashto supplement for concrete pavements. In order to improve the riding quality of the pavement, an overlay option is suggested. Aashto guide for design of pavement structures andor computer software for the aashto mechanisticempirical pavement design guide and acpa methods.
Engineering students worked cooperatively on design and analysis tasks. Bonded concrete overlay on asphalt bcoa thickness designer acpa 2012 2. Aashtoware pavement me design is a productionready software tool to. Streetpave 12 also offers an asphalt crosssection design process based on. The first is given in the above reference as equation 10. Pavement design overlay design reconstruction pavement design module of esurvey civil tools helps you to compute the thickness of various pavement compositions in both overlay design projects and reconstruction projects. This is a proprietary aashtoware computer software product. This software utilizes new engineering analyses to produce.
The latest version is the 1993 guide that includes the overlay design procedure. Development of an overlay design procedure for composite. Mechanisticempirical asphalt overlay thickness design and. 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. The purpose of this manual revision is to present guidance on how adot currently uses the 1993 aashto guide for the design of pavement structures to design new pavements, and soda to design asphalt overlays.
Campus students are required to use it for their design. Designing the right pavement for the job got easier thanks to pavexpress, a free webbased pavement design scoping tool for roadway and parking lot pavements. There are interactive help and resource links throughout. Pavement design processes pavement design spreadsheets. With one pavement design tool, you can design equivalent concrete and asphalt sections and evaluate the best possible solutions for your pavement needs. The present pavement performance and riding quality of the study road is analysed by both structural and functional evaluation.
These faqs are categorized into subject areas listed in the contents dropdown box below. Pavia systems, with sponsorship from the asphalt pavement alliance apa and its constituent members, has developed free online pavement thickness design software called pavexpress. Concrete overlay type design methods unbonded on asphalt, composite, or concrete aashto me, acpa streetpave 12, aashto 93, optipave 2. Simple overlay design method for thick asphalt pavements. A pavement overlay design is also required for projects being designed due to low friction values. Existing surface preparation for overlays pavement interactive. In overlay design group, select the homogenous section. Sustainable solutions for resurfacing and rehabilitating. It is expected that as the mechanisticempirical design. Rigid pavement design software for the 1998 supplement to the aashto guide for design of pavement structures, part ii. Mechanisticbased overlay design procedure for washington state flexible pavements.
Pavement designanalysis software university of idaho. Overview of macrofiber software and guidelines for. A pavement overlay design is required for all projects that are being designed to improve ride or are otherwise suspected to be structurally inadequate. Wsdot has developed, in conjunction with the university of washington, a mechanisticempirical overlay design procedure. 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. Based on the evaluations made in this study its predictions appear rational and reasonable.
This is a very powerful computer program capable of utilizing any aircraft loading configuration in conjunction with backcalculated pavement layer moduli values to calculate the overlay thickness required for a given design period. Mechanisticempirical design guidea manual of practice. Idot mechanistic pavement design and lifecycle cost analysis. In the window that opens, you can design the pavement for overlay design or reconstruction or both. This site is like a library, use search box in the widget to get ebook that you want. The guidelines explained here are followed to obtain industry standard solutions for flexible pavement design, as per irc guidelines, by importing survey data in pavement design, design of origindestination matrix, vehicle registration survey analysis and traffic volume count based on the traffic. Go to main menu and click on the pavement design option. These commands aid in the design of overlay projects where there is a need to adjust the vertical alignment and to minimize volumes of overlay and milling. Pavement thickness designs are too often based on economics how thick can. Pavexpress webbased scoping tool eases pavement design based on industry standards, new webbased tool aids in specifying technically sound pavements. The deflection of the pavement after the corrections i. The revised design software has been implemented into a design software.
The current odot pavement overlay thickness design procedure is based. Design of concrete overlays using existing methodologies. The precedent design method is given in the transit supplement to the austroads pavement design guide. Elliott the aashto overlay design procedures have been extensively revised to make them easier to understand and use, more adapt able to calibration by local agencies, and more comprehensive. Recommended thickness design software for roadways. Just send us the image or the file and get your overlays delivered to you. Deflection testing using falling weight deflectometer fhwd on roads and airports. The tonn program may be downloaded from the pavement design software webpage. Determine the effective flexural strength to input into overlay design software instead of design concrete flexural strength. Flexible overlay pavement design example 1993 aashto. Bonded overlay design bcoa unbonded overlay design excel, 245 kb guide to concrete overlays. An overlay is any operation that consists of laying either portland cement concrete pcc or hot mix asphalt hma over an existing pavement structure.
Fiber reinforced concrete overview for concrete pavement and. Here, you can either provide the characteristic deflection and msa values manually, or derive it from the software. The reported study was used to develop an overlay design procedure for washington states flexible pavements based on mechanistic pavement analysis. Concrete street design in uses acpas streetpave software underlying method. Select design choices from the dropdown menus below to narrow down the recommended performance requirement of frc for the proposed overlay pavement. Design traffic thickness and condition of the existing pavement construction convenience economics before implementing the overlay, the existing surface is to be corrected and brought to proper profile by filling pot holes, ruts and undulations no part of the overlay thickness shall not be used for the correction of surface irregularities. Asphalt pavement thickness and mix design asphalt institute. Overlays either structural or nonstructural make up a large portion of the roadway paving done today. Revision of aashto pavement overlay design procedures kathleen t. Simple overlay design method for thick asphalt pavements based on the method of equivalent thicknesses. Technical overview final report april 2019 sponsored by federal highway administration technology transfer concrete consortium ttcc pooled fund tpf53. Or possibly you need a design drawing, specification, or would like to explore where a solution has been implemented. Elastic modulus calculation, susbgrade evaluation, remaining life and pavement overlay design. Improvements to the roadhog overlay design program executive summary the roadhog overlay design system and associated computer program has been used by the arkansas state highway and transportation department ahtd for the design of flexible pavement overlays.
Campus students are required to use it for their design activities. Flexible pavement layer moduli calculations can be performed using several well known software programs among which modulus, evercalc, and elmod. Concrete overlays national concrete pavement technology center. 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. 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.