This situation can arise when cutting back slopes to install a new highway, or to gain development area on a sloping site. Reinforced earth products the reinforced earth company. Design of reinforced earth structures reinforced soil structure consists of facing panels and compacted fill incorporating reinforcing elements e. With our skill and experience in this solution area and using our design software macstars, we are able to combine geogrids with other systems such as our terramesh and green terramesh to form hybrid structures offering additional benefits of costeffectiveness and improved buildability. Mse wall design geotechnical design software reinforced soil. Engineers who need to maximise the area of development for earth retaining walls and structures but are faced with difficult and varied terrain can choose from a wide range of options reinforced concrete, gabions, crib walls, sheet piling and structural brickwork, and more. Masterseries retaining wall design software gravity. Earth retaining walls and reinforced slopes tensar uk. Stratapro software is an engineering tool that gives designers the ability to analyze a variety of faced systems to help determine the best solution for their client. The design method takes into consideration the ability of the reinforced earth wall system to retain its internl equilibrium by stress transfer from overstressed regions to those. Created by experts in mse design, vespa saves time by automating processes currently done manually, and by integrating the design and drawing process.
It can be used for retaining walls, bridge abutments, dams, seawalls, and dikes. Complex slope geometries and strata can easily be accommodated as well as the usual load cases including seismic conditions. While soil nailing is also available in our deepxcav software program, snailplus was created to bring all the necessary capabilities into one package. Geostudio has many options for dealing with structural reinforcements. Google earth image of excavation at southwest slope of runway 5. Vespa mse retaining wall design software cti software. The reinforcement improves the earth by increasing the bearing capacity of the soil. These also include a significant number of trademarks, the most significant being reinforced earth 60,000,000 square metres of reinforced earth designed and supplied by our company in over 50 countries demonstrates the important contribution we have made to civil engineering. Now theres a better way to design segmental retaining walls. Create vegetated and nonvegetated mse designs based on the geoweb system inputs for reinforced slopes, and for gravity and geogridreinforced walls.
Download citation design software for geosyntheticreinforced soil structures geosynthetic reinforced soil structures in the last three decades have. Gec 11 design and construction of mechanically stabilized. Cantilever and restrained retaining wall design software. Software by dc software reinforced earth with geosynthetics acc. Design and analysis of earth structures using geosynthetic reinforcements design guide. Aashto lrfd bridge design specifications, section 11. Mse wall design geotechnical design software reinforced. The reinforced earth company has built a reputation for engineering. Rather than designing the entire length of the facing stem to resist the lateral earth pressure load, the facing units are each cast with one or two counterforts on the rear side.
Recently, use of geosynthetics has gained widespread popularity and has been increasingly used as reinforcing element in several engineering practices of earth retention structures like reinforced. National concrete masonry association ncma 1997 federal highway administration demonstration project 82 1997 federal highway administration national highway institute fhwa nhi 043 2001 aashto asd 2002 american association. A stability analysis can also be carried out with all or part of an assumed structural load. The counterforts work as cantilever beams to resist lateral earth pressure, allowing for a relatively thin wall facing between them. Reinforced earth structures materials, design criteria and uses. Mechanically stabilized earth mse or reinforced soil is soil constructed with artificial reinforcing. Danish geotechnical society seminar on reinforced earth 281120 design procedure the design of a reinforced earth wall requires the verification of. The reinforced earth technique is particularly useful in urban locations where availability of land is minimum and construction is required to take place with minimum disturbance traffic. It aims to control the lateral deformation of the facing during construction and operation, including during seismic events. Sep 25, 2014 design of reinforced earth retaining wall in the reinforced earth wall two type of stability checked. Engineers who need to maximise the area of development for earth retaining walls and structures but are faced with difficult and varied terrain can choose from a wide range of options reinforced concrete, gabions, crib.
The components of reinforced earth are soil, skin and reinforcing material. For the love of physics walter lewin may 16, 2011 duration. Twall is suitable for all aspects of rapid installation of low level walls to over 20 meters and in wet conditions. Jun 09, 2016 these highly useful geosynthetic design software and calculator tools help with the significant amount of calculation that goes into civil, environmental, and geotechnical engineering design. The reinforced earth company experts in 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 for sfrc tunnels, caverns, shafts, etc, as well as slope stabilization works. Where reinforced earth is particularly useful in situations of creating embankments, terralink and techwall are useful in cuttings. The bedrock is clearly visible in the back and some moisture can be observed a bit higher in the slope. 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. Sudds is an easy to use software for road subsurface drainage design. Design software for geosyntheticreinforced soil structures. Its interactive and userfriendly nature means you can immediately see the effects of adding loads, introducing piers, ties and props, altering reinforcement, or modifying the.
It consider the reinforced structure as whole and check the stability for sliding, overturning, bearingtilt and slip by considering the effects of dead loads, other loads live load, dynamic load etc. This easy to use software program of tencate will assist engineers in determining the reinforcement requirements for reinforced soil slopes and walls. Suitable where the required footprint at the base is small. Vespa mse mechanically stabilized earth design software is different. Gec 11 design and construction of mechanically stabilized earth walls and reinforced soil slopes. Analysis of reinforced earth with program the dcgeotex of. This manual is written not only to help you understand reinforced earth technology and terminology, but also to identify the information that reco needs from you in order to complete a design. The use of reinforced earth technique is primarily due to its versatility, cost effectiveness and ease of construction. Earth retaining walls and reinforced slopes tensar. It is an excellent solution where the site constraints prevent construction using.
The reinforced earth company has built a reputation for engineering excellence, architectural creativity, and an unyielding focus on quality and customer support. Welcome to the reinforced earth company business portal. We recommend that the designer refer to the best practices for srw design for design details and standards that have been proven to meld design theory with field experience. The most advanced design methods, such as ncma method and aashto method, are available in visual slope. A cost efficient, safe and quick installation where any panel finishes can be applied. Design of reinforced earth retaining wall in the reinforced earth wall two type of stability checked.
The reinforced earth company is the leader in the design and supply of mechanically stabilized earth mse retaining walls for the largest scale projects. Feb 24, 2017 in this video we show some of the program features that allow you to define a computational model of reinforced earth. Mse wall is an intuitive program for mse wall design mechanically stabilized earth wall. By means of friction the soil transfers to the reinforcement the forces built up in the earth mass. Today, with the transportation market trending toward everlarger designbuild projects. It provides a constant picture of quick results, showing elevation views of structure and individual section views for analysis. The structures shall be designed for a minimum life of 100. Jun, 2016 the sveta trojica reinforced earth wall project high performance even with poor foundation conditions. Analysis and design of reinforced earth constructions geosynthetics with the program dcgeotex of dc software. The reinforcement thus develops tension and the earth behaves as if it has cohesion. Reinforced earth is the reinforced earth company s flagship mse retaining wall product, first introduced in the united states in 1971.
Reinforced earth structures materials, design criteria. Reinforced earth retaining wall analysis and design. Presto offers its free, easytouse geoweb mse design software for retaining wall applications. 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. Mar 12, 2020 this program is a retaining wall design software that combines geotechnical checks and structural design calculations as one complete treatment of stem wall design. Reinforced earth is a composite material formed by the friction between the earth and the reinforcement. This manual was prepared to enable the engineer to identify and evaluate potential applications of mse walls. This broad definition encompasses many and varied applications. Geoweb mse wall software design geocell green walls. Design and verification of reinforced soil retaining structures. This is an effective way to design and construct tall and critical structures.
The terralink technique allows the construction of reinforced earth walls in front of existing structures or slopes where there is a narrow space between them by effectively connecting the two structures together. The systems soil reinforcements are inextensible highadherence ha steel reinforcing strips or ladders, which are bolted to tie strips embedded in precast concrete facing panels. We reduce uncertainty and improve the bottom line on projects for highways, waterfronts, industries, commercial and military projects in all 50 states. Subsurface drainage design software sudds has been developed to assist road. A newer picture taken on 42006 presents the progress of works in which a part of the reinforced earth slope has been constructed. Spreadsheet design of mechanically stabilized earth walls. The software requires an easy input via a series of dedicated instruments such as the automatic generation of the reinforcements position, that.
Apply various live and dead load surcharges to the design analysis. A quick and efficient installation, the ends can be scalloped and head walls matched with reinforced earth panels to suit the application. This program is used for verification of mechanically stabilized earth walls and segmental retaining walls reinforced by geogrids georeinforcements. Our technical solutions are defined by three functions corresponding to the purpose of the structure to be designed. Geogrid reinforcement makes mse designs more economical and. Retaining walls offers the most comprehensive program available for the design of both reinforced and unreinforced concrete and masonry retaining walls.
The software follows the fhwa methodology for the design of. Keywall operating software the latest version of the keywall operating software allows users to design or analyze gravity wall and soil reinforced wall sections for all keystone structural units and most common soil reinforcement materials. Although the basic principles of mse have been used throughout history, mse was developed in its current form in the 1960s. Mse wall design with tensarsoil software tensar international. Jul 27, 2014 design and verification of reinforced soil retaining structures. Modifying soil slope angles beyond their natural angle of repose, can lead to slope instability. Making segmental retaining wall design simple, fast and more costeffective. A simple design method for determining the maximum magnitude of the tensile force and its distribution with depth of the reinforced earth backfill was developed. Features of mse wall design module global stability analysis compound stability analysis. Reinforced steep slopes strata recognizes that maximizing land use is the most critical need and has a major cost impact on any site development. Design and construction of mechanically stabilized earth walls and reinforced soil slopes volume i and ii.
These aids can improve project efficiency and economics, as well as increase options for the user. This video webinar provides an overview of using the tensarsoil software to design mse retaining walls. Reslope is an interactive, design oriented, program for geosynthetic reinforced slopes. Pullout and failure checks of the reinforcements are performed, while for. Reinforced earth structures materials and design criteria reinforced earth or mechanically stabilized earth mse is soil constructed with artificial reinforcing. It is in fact the highest mse wall in canada with 33m of vertical facing. Click here to request a copy of the tensarsoil software. Design and construction of mechanically stabilized earth walls and reinforced soil slopes. The designer or engineer may select the appropriate tencate reinforcement.
It also reduces the liquefaction behavior of the soil. Geosynthetic design software and calculator tools geosynthetica. It can be used for retaining walls, bridge abutments, seawalls, and dikes. Lintels also can be designed according to the msjc, the ibc or, in the case of reinforced concrete lintels, the aci 318 2002, 2005 or 2008 code references 8 and 9 provide an overview of concrete masonry and reinforced concrete lintel design, respectively. For a given problem including geosynthetic strength, reduction factors, and design safety factors, reslope produces the optimal layout i. The sveta trojica structure is a 34mhigh and 430mlong reinforced earth wall. The tensarslope program allows experienced design engineers who have attended a tensarslope training workshop to produce designs for reinforced soil walls and slopes.
The placement of the reinforced earth structure on top of bedrock can be observed in figure 4. Reinforced earth technology is a collaborative effort involving the owner andor the owners consultant and the reinforced earth company reco. The reinforced soil block consists of the compact fill and reinforcing elements. This manual is written not only to help you understand reinforced earth technology and terminology, but also to. Maccaferris macstars program is used to design reinforced soil slopes structures and walls including segmental blockwork walls and vertical faced concrete panel structures. Design calculations alone cannot ensure that designs will yield a safe and properly functioning structure. Reinforced soil slopes rss and steepened slopes tensar. Geotechnical design software reinforced soil geo5 nailed slopes. The project was complex because the ground at the site consists of a combination of compressible limestone and flysch. Fully interactive, this new program allows you to input and alter project geometry, geogrid grade or layout, surcharge loads andor soil characteristics to determine stability data and material costs instantly.
Terralink is a reinforced earth solution that is shored onto an existing slope or structure. Terralink and techwall are complementary technologies to traditional reinforced earth. Soilstructure rapid retain software has the following unique capabilities. 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. Tencate miraslope design solutions software is based on state of the practice design methods and can determine the optimal reinforcement configuration for simple geometries using its interactive approach. Tencate miraslope design solutions software for mechanically stabilized earth. Tencate geosynthetics introduces tencate miraslope design solutions software for mechanically stabilized earth mse applications. The mse wall design spreadsheet will be based on the following. Subsurface drainage design software sudds has been developed to assist road designers and consultants to incorporate modern drainage practice into their road designs. Sep 20, 20 design of reinforced earth retaining wall in the reinforced earth wall two type of stability checked. This software is available free of charge following the completion of a free training module delivered by a geofabrics specialist. Complare mulitple geogrid layouts for project cost efficiency. The mechanically reinforced earth is also called a gravity wall and its design is based on the reinforcement of the earth through metal or plastic intrusions, which provide a pseudocohesion allowing the earth to stand vertical. Challenges in resolving grade change on the site are increasingly necessary as land cost increases and the difficulty to develop property becomes commonplace.
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