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INTRODUCTION <br />Retaining walls have been in use for <br />centuries. Stone walls for retaining earth <br />were among the first and most durable. <br />Inherently they were labor intensive, <br />expensive, limited in function, yet extremely <br />rable and beautiful. As technology <br />vanced, concrete replaced stone and <br />;-.is a great success. But also replaced, <br />was the aesthetics of natural stone. <br />'Stonewall' blends the beauty of natural <br />stone with the functions and economics <br />demanded of today's walls. Applications <br />varying from commerciald <br />systems which require a= <br />durability, to the soft subtle beauty of a <br />backyard garden can be achieved with one <br />unit - 'Stonewall'. <br />CRITERIA FOR DESIGN <br />The desire to retain earth with increased <br />speed of construction and durability, yet <br />Wering a look which blends with the natural <br />ndscape, has given us the segmental <br />taining wall. Speed of construction is often <br />half the time of other walls. Using off the <br />shelf products simply leaves assembly only <br />at the job site. Walls no longer have to be <br />formed and poured under varying job site <br />and weather conditions, where quality is <br />always unknown until the product is already. <br />in place. Segmental retaining wall units <br />manufactured in a controlled, computerized <br />factory, assure quality control and <br />inspection prior to shipment to the job site. <br />Segmental retaining walls renew the classic <br />look and use of masonry for use in <br />landscaping and commercial earth <br />retainage. For centuries, the beauty of <br />masonry has complemented the natural look <br />of the landscape and construction. That <br />look is available again in this innovative and <br />highly precise system of durable earth <br />retainage. <br />'Stonewall' offers the landscape designer a <br />structural flexibility of both appearance and <br />form. Individually, 'Stonewall's' unique <br />design allows different face textures and <br />colors resulting in a wide variety of <br />architectural appearances for a wall. In <br />conjunction, nearly any shaped wall can be <br />achieved with the one unit - the boldness of <br />straight walls, the softness of contoured <br />walls or the grace of terraced walls. <br />tunt with all the design flexibility it offers - no <br />ecial tools, equipment or highly skilled <br />-bor is required. This mortarless <br />interlocking system is simple enough for the <br />'do-it-yourselfer' and durable enough for the <br />most severe commercial and governmental - <br />conditions. <br />PRODUCT INFORMATION <br />PERFORMANCE- <br />iCompressive strength 3,000 P.S.I. <br />• Absorption 7% f1% <br />• Mix density120 pounds per cubic foot i <br />STANDARD UNIT <br />Weight: approximately 45 lbs.. <br />Size: -7.625' H x 11.625' W x 11.625' D 0 0 <br />• Face area.66% of a square foot <br />•Trough: 3/4' wide X 1".deep, continuous length BOTTOM VIEW TOP VIEW <br />4 Hollow -core design ! . <br />• Size: 1/2 X2 1/4 '. l <br />^3.. .. rv.. <br />• Composition: Super tough nylon <br />COLOR AND TEXTURE <br />Color.options: Granite Gray, Rosebrown, Buff Sandstone, <br />• Texture: Rounded stone face <br />• Custom orders: See manufacturers for details <br />NOTES check color availability. specifications subject to change without notice. Check manufacturer for details. <br />The following chart and tables are for estimating only. Design must be performed by a qualified engineer using <br />actual site and grid criteria. <br />EXPOSED <br />TOTAL <br />NO. <br />GRID <br />Geogrid Placement Elevation (k. above base) <br />EXAMPLE <br />HEIGHT <br />11%) <br />HEIGHT <br />1%) <br />8' THICK <br />COURSES <br />LENGTH <br />(ft.) <br />Et <br />E, <br />Es <br />E4 <br />Es Ee <br />4.0 <br />4.7 <br />7 <br />25 <br />5.3 <br />6.0 <br />9 <br />3.0 <br />1.3 <br />3.3 <br />A <br />6.0 <br />6.7 <br />10 <br />3.5 <br />1.3 <br />4.0 <br />level <br />7.3 <br />8.7 <br />13 <br />4.5 <br />1.3 <br />3.3 <br />5.3 <br />q=0 PSF <br />8.0 <br />10.0 <br />9.3 <br />11.3 <br />14 <br />17 <br />5.0 <br />6.0 <br />1.3 <br />1.3 <br />3.3 <br />2.7 <br />6.0 <br />5.3 <br />8.7 <br />12.0 <br />13.3 <br />20 <br />7.0 <br />.67 <br />2.0 <br />4.0 <br />6.7 <br />9.4 <br />4.0 <br />4.7 <br />7 <br />3.5 <br />2.0 <br />B <br />5.3 <br />6.0 <br />9 <br />4.0 <br />1.3 <br />3.3 <br />level <br />6.0 <br />7.3 <br />6.7 <br />8.7 <br />10 <br />13 <br />4.0 <br />5.0 <br />1.3 <br />.67 <br />4.0 <br />2.7 <br />5.4 <br />q=250 PSF <br />8.0 <br />9.3 <br />14 <br />5.5 <br />.67 <br />2.7 <br />4.7 <br />6.7 <br />10.0 <br />11.3 <br />17 <br />6.5 <br />.67 <br />2.0 <br />4.0 <br />6.0 <br />8.7 <br />12.0 <br />13.3 <br />20 <br />7.5 <br />.67 <br />2.0 <br />3.3 <br />5.3 <br />7.3 10.0 <br />C <br />4.0 <br />4.7 <br />7 <br />3.0 <br />2.0 <br />level <br />5.3 <br />6.0 <br />6.0 <br />6.7 <br />9 <br />10 <br />4.5 <br />4.5 <br />2.0 <br />1.3 <br />4.0 <br />4.0 <br />2:1 (H:V) <br />7.3 <br />8.7 <br />13 <br />5.5 <br />1.3 <br />2.7 <br />6.0 <br />Backslope <br />8.0 <br />10.0 <br />9.3 <br />11.3 <br />14 <br />17 <br />6.0 <br />7.5 <br />1.3 <br />.67 <br />2.7 <br />2.0 <br />4.7 <br />4.0 <br />6.7 <br />6.0 <br />8.7 <br />12.0 <br />13.3 <br />20 <br />8.5 <br />.67 <br />2.0 <br />3.3 <br />5.3 <br />7.3 10.7 <br />These charts are applicable for she soils, when the b angle is>_ 36•. and <br />the moist unit weight y Is <125 PCF. That Is typical for well graded <br />fine to course sands (Sw) and sand -gravel mixtures (GW, GP, GM). <br />- <br />