Macstars w provides designers with reliable way to analysis the stability of gabion retaining walls and terramesh reinforced soil walls and slopes having either. Reactiv is an interactive computer program for designing reinforced slopes in a wide variety of soil types, using reinforced soil or soil nails. I have been using geoslope s software for my geotechnical design since 1996, and i have found that the comprehensive formulation, constitutive models, and intuitive interface allow me to effectively and efficiently arrive at a realistic solution for many practical problems dealing with fluid flow, slope stability and stress and deformation modeling under static and dynamic loading conditions. Reactiv designing reinforced slopes using reinforced. Typical components of a reinforced steepened slope system slope geometry. Retaining walls slope stability slope stabilization slope stability analysis. This manual will explain what a reinforced earth wall is and how it works, as well as outline the many ways your projects can benefit from this technology. Focuses on internal stability, and can interact with ressa for global.
Geoweb mse wall software design geocell green walls. I have tried using rss from the fhwa site, but it seems to be overly conservative. Comparison of designanalysis methods for pile reinforced slopes. Presto offers its free, easytouse geoweb mse design software for retaining wall applications. A unique feature is its ability to analysemultiring. Maccaferris macstars program is used to design reinforced soil slopes structures and walls including segmental blockwork walls and vertical faced concrete panel structures. In a more rigorous analysis, the structural component properties can be included in a stressdeformation analysis so the forces and moments in the structure can be computed along with the interaction between the structure and ground.
Reinforced soil slopes and embankments for the purposes of this document, a reinforced slope is defined as a compacted fill embankment that incorporates the use of horizontally placed geosynthetic reinforcement to enhance the stability of the soil structure. The software requires an easy input via a series of dedicated instruments such as the automatic generation of the reinforcements position, that. Reinforced concrete modeling and detailing software. The purpose of this article is to show that pushing the design envelope can be done in a straightforward manner, extending conventional geotechnical principles and using suitable software to overcome involved. An rss is different from an mse wall or a conventional unreinforced slope in that the slope has an inclination ranging from 2h. Retaining walls and chapter 730 steep reinforced slopes.
Gec 11 design and construction of mechanically stabilized earth walls and reinforced soil slopes. Reinforced concrete modeling and detailing software with proconcrete software you can model reinforced concrete with any combination of reinforcing, as 3d parametric objects. Tensar slopes reduce material and installation costs by minimizing fill requirements and allowing the use of onsite fills. The changes include several updates related to the aashto 2007 code, and the option to use either the simplified method aashto or the coherent gravity method cgm. It offers a number of wall shapes and checks reinforced concrete crosssections. The design of reinforced walls and slopes is a common geotechnical activity. Reinforced concrete retaining wall design passive thrust in retaining walls, active thrust, dynamic increase of rest push, admissible soil stress, shoe design by shear and flex, ultimate shear. The numerical modeling challenge is to correctly account for the stresses between the reinforcement member and the soil such that the stability of the design may be evaluated. Reslope was specifically developed for geosynthetics.
Gec 11 design and construction of mechanically stabilized. Comparison of designanalysis methods for pile reinforced slopes by yuderka trinidad gonzalez a thesis submitted to the graduate faculty in partial fulfillment of the requirements for the degree of master of science major. The program is used to verify the cantilever wall design. The program also includes a database that allows users to easily store and reuse commonly used material properties. Required strength of geosynthetics for reinforced 3d slopes in cohesive backfills with. The graphics and the pointandclick data input are also very good and makes the program very easy to use. The british standard bs8006 requires that the columns extend to within a minimum distance lp of the toe of the embankment.
Optional facilities are available for the analysis and design of reinforced soil. Developed by the makers of geo5, the easytouse free software ensures all the details of your project are accounted for while the robust input options allow for extremely precise geotechnical modeling. Program ressa is an interactive, graphically rich program, allowing the designer to explore various design options of reinforced and unreinforced earth slopes. The amount of cohesion and tensile strength that can be relied upon in the design of backfills made of c. Software tagged with reinforced slope total items found. Visual slope uses convenient drawing procedures similar to autocad to help users establish analytical models, which allows a detailed and accurate modeling of a complicated project.
Guide to retaining wall design 1993 presents a recommended standard of good practice for design construction supervision of new permanent structures included are. We can also assist in the selection of appropriate seed mixes, topsoil and erosion protection products. Quickly create your placing drawings, fabrication details, bar bending schedules, and concrete quantity and material reports directly from your 3d model, which. However, cirtex would like to highlight the benefits of submitting your design. This software is available free of charge following the completion of a free training module delivered by a geofabrics specialist. Geo5 nailed slopes software by fine civil engineering the program analyses nailed walls and slopes of various shapes. Reactivs user interface has been designed to make the program simple to use and quick to learn without sacrificing the level of control over calculations that engineers demand. It features slope stability analysis, resisting pile design, mse wall design, reinforced slope. Cirtex offers design support for reinforced soil walls and slopes as set out in this tool box. Slope stability analysis software including soil reinforcement circular and noncircular failure surfaces, bishops, janbu, etc. This easy to use software program of tencate will assist engineers in determining the reinforcement requirements for reinforced soil slopes and walls. Anchor reinforced vegetated systems north american green. Design and construction of mechanically stabilized earth walls and reinforced soil slopes. I am trying to desin a reinforced soil slope and am looking to verify my design using a slope stability program.
This confidence stems from the fact that le is currently being used for design of reinforced and unreinforced slopes i. Reslope is an interactive, design oriented, program for geosynthetic reinforced slopes. May 24, 2016 this video webinar provides an overview of using the tensarsoil software to design mse retaining walls. Reinforced concrete retaining walls formulas for android. Walls and slopes bridge abutments segmental block walls does not cover soil nailing, reinforced fill dams, maritime structures or embankments on soft ground. Reinforcement may be through anchors, soil nails, or geotextiles. An example of using ressa in complex geometry of reinforced. Soil nails are one of several reinforcement options available in geostudio. The computer software developed for fhwa for the design of both reinforced and nonreinforced slopes and embankments, ressa, is an excellent tool for checking edge stability. The most advanced design methods, such as ncma method and aashto method, are available in visual slope. Design vegetated reinforced and gravity walls that retain structural integrity even in poor base conditions with geoweb retaining walls. The british standard bs8006 requires that the columns extend to within a minimum distance. This document outlines scdots design methodology for reinforced soil slopes rss.
In fact, multitiered reinforced earth slopes are aesthetically appealing structures. Geotechnical design software reinforced soil mse wall design software by. The primary reinforcement provides a tensile strength component within the reinforced soil zone that allows a slope to stand at steeper angles than would normally be achieved without reinforcement. The reinforced earth is one of the solutions that can be used for retaining earth. Redirock wall freeware is a robust software tool for geotechnical engineers to design and analyze cross sections of redirock gravity walls. Anchor reinforced vegetated systems arvs protect the ground from erosion and add stability to the soil base using a combination of erosion control mats, ground anchors, and vegetation for areas such as slope stability, channel linings, shorelines and more. Reinforced soil walls and slope reinforcement maccaferri. Design and construction of mechanically stabilized earth walls and reinforced soil slopes volume i and ii. This work shall consist of preparing the design, furnishing the materials, and constructing the reinforced soil slope rss to the lines, grades and dimensions shown in. Diacalc software for analysis and design of steel fibre reinforced concrete sfrc structures. Follows guidelines and recommendations as presented in the nhi course and manual fhwanhi00043. Adama software has released several updates to their popular mse wall design software and reinforced soil slope software packages. Feb 24, 2017 the software requires an easy input via a series of dedicated instruments such as the automatic generation of the reinforcements position, that of the reinforced ground profile with the option. A more formal and urban architectural aesthetic is offered with our macwall segmental blockwork faced reinforced soil wall.
Soil nails are often used to improve the stability of slopes. The stability of the underlying soils, their potential to settle under the imposed loads, the usability of any existing excavated soils for wall reinforced slope backfill, and the location of the groundwater table are determined through the geotechnical investigation. Like all of our grade separation solutions, tensar reinforced soil slopes rss and steepened slopes are mechanically stabilized with tensar geogrids to provide longterm durability and structural integrity. Simple and complex slope configurations are accommodated. Civil engineering geotechnical engineering program of study committee. Guide to reinforced fill structure and slope design.
Secuslope software assists designs for geogridreinforced slopes, walls, and abutments. This video webinar provides an overview of using the tensarsoil software to design mse retaining walls. Steel fibre reinforced concrete sfrc is well known in several areas of civil engineering as a structural application underground structures probably represent one of the most important fields of application. The manual also defines and discusses the information needed for the design of a reinforced earth retaining wall. Complex slope geometries and strata can easily be accommodated as well as the usual load cases including seismic. Design software for geosyntheticreinforced soil structures. The computer software developed for fhwa for the design of both reinforced and non reinforced slopes and embankments, ressa, is an excellent tool for checking edge stability. The first installation of tensar geogrids in the united states was a tensar reinforced soil slope in 1982 for the texas state department of transportation. I designed the reinforcement in accordance with the design guide presented on mirafis website. Reinforced soil slopes rss and steepened slopes tensar. Rss structures are internally stabilized fill slopes, constructed of alternating layers of compacted soil and reinforcement. Based upon a users projectspecific inputs, the englishlanguage software produces optimal geosynthetic reinforcement layouts e. Reinforced soil walls and slope reinforcement maccaferri usa. Geostudio has many options for dealing with structural reinforcements.
This situation can arise when cutting back slopes to install a new highway, or to gain development area on a sloping site. Geosyntheticreinforced columnsupport embankment design. Create vegetated and nonvegetated mse designs based on the geoweb system inputs for reinforced slopes, and for gravity and geogridreinforced walls. The picture shows an example from egnatia odos, greece. Slope geotechnical design software slope stability. Slope is a computer program for analysing the stability of slopes. Geosynthetic design software and calculator tools geosynthetica. This broad definition encompasses many and varied applications. For the purposes of this document, a reinforced slope is defined as a compacted fill embankment that incorporates the use of horizontally placed geosynthetic reinforcement to enhance the stability of the soil structure. Design and construction of mechanically stabilized earth.
The stability of the underlying soils, their potential to settle under the imposed loads, the usability of any existing excavated soils for wallreinforced slope backfill, and the location of the groundwater table are determined through the geotechnical investigation. Reinforced soil slopes and steepened slopes present unique stability challenges, but they can be better alternatives to other grade separation applications when there is a need or preference for one or more of the following. The numerical modeling challenge is to correctly account for the stresses between the reinforcement member and the soil such that the stability of. The geoweb systems opencelled terraces create a natural environment for sustainable vegetation and allow storm water infiltration. Since then, thousands of projects have been completed and are performing successfully. In this case study, stability analysis of the rock slope, located on national highway nh109 is performed usingphase 2 of rocscience software by considering rock mass as continuum. Where there is not enough space on a project to construct a reinforced soil slope, it may be possible to use soil nailing. Using projectspecific inputs, the program produces. The software in general is very good and ties in well with the way we do things here. Slope stability analysis software including soil reinforcement circular and non circular failure surfaces, bishops, janbu, etc. You can model any type of framed 2d structure by setting. Mod01 lec15 design example of reinforced soil retaining wallsi. A stability analysis can also be carried out with all or part of an assumed structural load.
Reinforced soil walls and slope reinforcement maccaferri canada. Design of geosyntheticreinforced slopes in cohesive. Modifying soil slope angles beyond their natural angle of repose, can lead to slope instability. Mechanically stabilized earth mse walls are structures for retaining the earth under bridges, highways, water front. With soil nailing providing the overall slope stability, macmat offers flexible surface reinforcement and protection options for use between soil nails. Reslope is an interactive, designoriented, program for geosyntheticreinforced slopes. For a given problem including geosynthetic strength, reduction factors, and design safety factors, reslope produces the optimal layout i. Geoweb walls conform well to landscape contours, are resistant to. Stratapro also provides accurate material quantities for. Download citation design software for geosyntheticreinforced soil. At the top of the retaining wall is founded the opposite direction of the traffic on the highway. In this manual, the following reinforced slope applications will. Cirtex has recognised design software packages which can be used free of charge to assist the engineer to design soil reinforced structures. Comparison of designanalysis methods for pile reinforced.
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