Road thickness design software

Ncat report 14 04 flexible pavement design state of. Associate professor public policy center, department of. With its new guidance document, ncat presents a variety of methods to update empirically based design methods to better reflect modern pavement performance. Miraspec allows the designer to perform flexible pavement structural number sn and equivalent single axle load esal. It includes functions for data collection, terrain modelling, contouring, volumes, profiles, sections, and road design. The thckness design of the pavement is the determination of the overall thickness of the road and the thickness of the individual layers. Most of the early pavement designs were largely empirical with designers. Both versions of the software are available as free. Road design basics with autocad civil 2009 and autocad civil 3d 2009 3 introduction the autodesk civil engineering solution, made up of autocad civil 2009 software and autocad civil 3d. Nearly onethird or onehalf of the total cost of construction, so careful consideration should be taken in design of pavement. Newly added with this version is jointed plain concrete overlay designs for all six types bonded on ashpalt, unbonded on. The thickness should vary depending upon the traffic mostly due to trucks.

These results should be included in the design method software as well. Abdel warith, phd 6 post doctoral associate 7 dept. This section is provided to offer a taste, for those who are interested, of how thickness design is determined. Brasfield and gorrie professor of civil engineering principal investigator dr. Perroad software perpetual pavement design software the apa offers two versions of its software for the design and analysis of perpetual pavements. Thanks to this software, the user who wants to design the concrete pavement as concrete road slab can obtain the essential parameters automatically by entering the required data for the design. The unified facilities criteria ufc system is prescribed by milstd 3007 and provides planning, design, construction, sustainment, restoration, and. Pavia systems, with sponsorship from the asphalt pavement alliance apa and its constituent members, has developed free online pavement thickness design software called pavexpress. Final report evaluation of ipave low volume road design. In addition, designers will be able to calculate thickness reduction savings and green savings that the addition of a geosynthetic will provide in the design.

Pavement thickness design evolves with latest software. Mnpave design software, which are used in minnesota, and the american association of state highway and transportation officials aashto flexible pavement design method and south dakota aggregate. Roadeng is a site and road design software package. I need to work with a road network on the scale of a mediumsized city. Final report evaluation of ipave low volume road design software may 2015 michael i darter, william r. How thick should the gravel be on a reconstructed road. If more than one type of design is being considered, then each type of design must be run.

Performs civil engineering calculations for trafficroad geometry. For rigid and semirigid pavement tensile stress is taken as the design criteria. Flexible pavement design state of the practice ncat report 14. A video from the asphalt pavement alliance on perpetual longlife pavements and their ability to withstand time, traffic and taxpayers. It works either as an addon to other civil design software or as a standalone system. Asphalt pavement thickness and mix design asphalt institute. Thickness design the design procedure presented in this publication, utilizes the method and theories that are outlined in the portland cement association publication, thickness design for concrete h. An integrated pavement design suite for highways, streets, parking lots, airports, and industrial facilities supporting heavy wheel loads. Pavement calculator pavement design calculator software. Tr586, pavement thickness design for local roads in iowa. A mechanisticempirical design method will facilitate inclusion of this drainage information in the design method. The existence of this unique relationship suggests a possible design criterion and supports the realism of the regression equation by indicating a credible mechanism of pavement.

The wearing course of a new gravel road shall have a thickness d calculated from. Structural design appropriate layer thickness and materials capable of carrying imposed axial loads base and subbase layer and minimizing the vertical pressure strains on the subgrade layer. Flexible pavement design by california bearing ratio method. Design using the aashtoware pavement me design procedure publication no. A user friendly software for rigid pavement design. This is of course dependant on the type of material chosen for the road. In this step, aggregate loss is calculated and deter mination of actual base thickness is accomplished by using the following formula. Generally there are two methods to design the pavement from cbr california bearing ratio value. Stand alone software version of the pavement design portion of the ce calc website. 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. Pavement design is the major component in the road construction. Download transportation engineering software sw1 1. The software simplifies the process of using both the 1993 aashto design guide for asphalt pavements and 1998 aashto supplement for concrete pavements.

Pavement thickness design for local roads in iowa final report tr586 february 2010 principal investigator hosin david lee, ph. Flexible pavement design by cbr method is used to determine the total thickness of pavement. Thickness design of concrete roads abstract the present design curves for concrete pavements in road note 29 are largely based on observations made on experimental roads prior to. Our new and improved miraspec software is an analysis tool for engineers to design better and more costeffective flexible paved and unpaved roadways by incorporating geosynthetics. Streetpave 12 is the latest in jointed plain concrete pavement thickness design. This module is a comprehensive road design program that provides interactive embankment design, intersections and area calculations for urban streets, singledual carriageway roads, railways, airports. Ufc 325001 pavement design for roads and parking areas. This design method determines the thickness for both. Pavement design in road construction design parameters. Pavement design thickness design durham university.

Sw1 asphalt thickness design for highways, airports. This step is important for aggregate sur face road. Functional design surfacing layer wearing course that provides a safe, smooth, workable and dust free pavement surface. The maximum rutting can be accepted in village road as 50 mm before maintenance and the analytical evaluation can be done according to irc. Pavement design resources flexible pavements of ohio. Thickness design of concrete roads abstract the present design curves for concrete pavements in road note 29 are largely based on observations made on experimental roads prior to 1970, when none had carried more than 10 million standard axles. Aashto pavement thickness design guide when designing pavement thickness for flexible and rigid pavements, the following considerations should be used. No offtheshelf software available some software are offered by geosynthetic manufacturers difficult to design for a long period given limitations of total esals aashto and stp none of the models. Calculate proper pavement thickness with free online tool. Road design basics with autocad civil and civil 3d 2009 final.