Grade Separation Solutions Overview Brochure - Tensar International

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The Sierra ® Slope RetentionSystem provides an economicaland aesthetic alternative toconventional retaining walls.The Sierra® Slope Retention System, a premier reinforcedsoil slope (RSS) retention system, was introduced by Tensarin 1982.The Sierra Slope Retention System is a complete and fullyintegrated mechanically stabilized earth (MSE) system.Each mechanical component has been designed to worktogether for optimum efficiency in a variety of challengingsite and loading conditions.The cost effectiveness of the Sierra System, coupledwith a natural aesthetic appeal, provides an RSS retentionsystem that is routinely specified by government agencies,developers, engineers and architects for a varietyof applications:˴˴Commercial, industrial and retail˴˴Single- and multi-family residential housing˴˴Transportation infrastructure˴˴Recreation facilities˴˴Municipal water and storm water managementThe Sierra System significantly reduces material andinstallation costs by virtually eliminating limitations imposedby soil conditions, minimizing fill requirements and allowingthe use of on-site fills. The economic benefits of Sierra Slopeshave led cost-conscious transportation agencies around theworld to select them for landslide repairs, overpasses androadway widenings.These same cost advantages have led to the use of theSierra System by site developers concerned with enhancingproperty values and preserving the natural beauty of theirsites. Sierra Slopes can be graded so that the appearanceof these reinforced earth retention structures is almostindistinguishable from the native terrain.Sierra® Systems’ ComponentsComponentFunctionTensar Uniaxial (UX) GeogridsPrimary reinforcement that internally reinforces the soil structure and fill materials.Tensar Biaxial (BX) GeogridsSecondary reinforcement that provides surficial stability of the slope structure.Site-Specific Facing SystemProvides aesthetic value by offering multiple facing options, including bioengineering.Full Engineering andConstruction ServicesDetailing, design, site assistance and stamped drawings for each Sierra project upon request.16
A Complete and Proven SystemEconomical˴˴Create usable land in previously undeveloped areas˴˴Save up to 60% versus conventional concreteretaining walls˴˴May allow for lower quality fills so on-site soils areusually acceptable˴˴Installs quickly and without specialized equipmentFlexible˴˴Create slopes from 26° to 70° to fit sitedevelopment conditions˴˴Use a smaller footprint while maximizing landfor development˴˴Create curved slopes and varying face anglesfor a more natural look˴˴Specify a variety of facing options from erosionblanket to professionally landscaped vegetationAttractive˴˴Blends naturally with the surrounding environment˴˴Not subject to facial distortions and cracking likeconcrete walls˴˴Resists the effects of differential settlement andseismic activityProven˴˴Over 40 million square feet of Sierra® Slopes havebeen installed˴˴Stands up to the most critical loading situations:railways, bridge abutments and building foundations˴˴Sierra Slopes have adapted to extreme conditions andwithstood multiple seismic events exceeding 0.4 g˴˴Constructed with high performance Tensar® GeogridsSierra ® System –Welded Wire Formwith Plantable FillTensar BX GeogridTensar Uniaxial GeogridOffset varies to suitrequired slope angle6" (min.)Turf reinforcement matTopsoilBlack steelwelded wirefacing unitSupport strut17
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Grade Separation Solutions Overview Brochure - Tensar International

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