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Topic: Retaining wall

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	Concrete Retaining Wall. Sheet Pile Walls. Reinforced-Soil Gravity Walls. Gravity Walls.
		When designing a retaining wall or concrete retaining wall, one must consider the proper design and installation because the retained material is attempting to move downslope and forward due to gravity.
		Gravity walls should be at least 55 to 65 percent as deep as the height of the retaining wall.
		The concrete retaining wall units can also be used in combination with horizontal layers of soil reinforcement which extend into the backfill to increase the effective width and height of the gravity mass.
	www.affordableconcretecutting.com /concrete_landscaping/concrete-retaining-wall.html (745 words)

	Retaining wall - Wikipedia, the free encyclopedia
		Retaining walls are generally made of masonry, stone, brick, concrete, steel or timber.
		Gravity walls usually must be a minimum of 50 to 60 percent as deep (thick) as the height of the wall, and may have to be larger if there is a slope or surcharge on the wall.
		Proper drainage behind the wall is critical to the performance or retaining walls.
	en.wikipedia.org /wiki/Retaining_wall (816 words)

	Wall - Wikipedia, the free encyclopedia
		In today's construction, a building wall will usually have the structural elements (such as 2×4 studs in a house wall), insulation, and finish elements, or surface (such as drywall or panelling).
		Retaining walls are a special type of wall, that may be either external to a building or part of a building, that serves to provide a barrier to the movement of earth, stone or water.
		A dike is one type of retaining wall, as is a levee.
	en.wikipedia.org /wiki/Wall (497 words)

	Retaining wall construction company serving the Denver, Colorado area
		Retaining walls have long been a fundamental element in commercial and residential construction.
		Cornerstone Retaining Walls, Inc. offers retaining wall construction for the developer, the homebuilder and the homeowner – and does it by providing dependable service at affordable prices with beautiful results.
		Our mission is to construct retaining walls that will not only last a lifetime, but will also compliment the surrounding landscape.
	www.colorado-retaining-walls.com (235 words)

	HandymanWire - Building a Retaining Wall
		The main drawbacks to the dry wall are that it should not exceed three feet in height and it is not as stable as the wet wall.
		Now the rule of thumb for dry type walls is: if the wall is under two feet high it can be built plumb but over two feet it must have a batter or slope inward of two inches for every foot of height.
		If the wall is to hold back much soil it is a good idea to project long stones out the back of the wall to aid in anchoring the wall.
	www.handymanwire.com /articles/retainingwall.html (638 words)

	Building a Block Retaining Wall
		There are retaining wall systems designed specifically for the purpose, created with the do-it-yourselfer in mind.
		Retaining wall blocks in mortarless systems have a lip on the bottom rear side to lock the blocks together and create a step effect.
		When the cavity behind the wall is filled with soil, the blocks are pushed forward, strengthening the joints between the lips and the underlying blocks.
	www.lowes.com /lowes/lkn?action=howTo&p=Build/BlkRetWall.html (1129 words)

	Retaining Wall Pictures
		As a heavy duty interlocking retaining wall system, Dura-Hold and Dura-Hold II are ideally suited for industrial and commercial landscaping, erosion control, protective facing and waterfront treatments.
		Pisa II ISA II is a retaining wall system designed to accommodate a variety of applications, from small, decorative landscape walls to larger earth-retaining structures.
		Retaining walls built with Pisa Stone lean at the proper angle to assure stability.
	www.scuppernongstoneworks.com /main/retainingBlockPictures.asp (585 words)

	Retaining Walls,wall,water
		Licensors of segmental retaining walls in 4",6" and 8" heights.
		Mesa® Retaining Wall Systems combine the economy and versatility of segmental concrete units with proven geogrid technology to create a new generation of structural block walls-and a new standard in structural wall systems.
		Full line of retaining wall products from the smaller do-it-yourself home landscaping units to structural units for commercial use.
	www.homeexpo.com /HE/r1107.htm (301 words)

	Concrete Block Retaining Wall
		Until concrete retaining wall systems muscled their way onto the scene 20 years ago, there were few do-it-yourself-friendly materials to choose from.
		A retaining wall is only as straight and solid as the base it’s built on.
		The wall we built was a weekend-long project, and an exhausting one at that.
	www.rd.com /content/openContent.do?contentId=18258 (1202 words)

	Retaining Wall Contractors \| Concrete Retaining Walls
		Retaining walls are outdoor walls used to enclose everything from small home landscaping units to structural units.
		You can even have a wall mural on it.
		Railroad ties and treated landscape timber are the most commonly used wall materials but concrete blocks are the easiest to install and maintain because of rot problems.
	www.servicemagic.com /category.Outdoor-Walls-Retaining-Walls.10351.html (147 words)

	Masonry Magazine: Retaining Wall System
		The idea of solid, high-strength concrete units that interlock with a continuous tongue and groove to form a flexible, stable dry-stacked retaining wall system might seem simple now, but in the late 1960s, it was unheard of.
		Patterned after the landscape timber or railroad tie retaining wall, these concrete structural beams combined facing units with reinforced tie-backs and were used in a crib form that had the overall effect of a large gravity wall.
		Whether or not the next "Great Wall" will be a segmental retaining wall, Chinese mason contractors will soon be able to build these strong, durable and practical walls just as their counterparts in Canada and the U.S. can do now.
	www.masonrymagazine.com /2-03/blocks.html (1106 words)

	Treated Wood Retaining Wall: Design and Preparation
		This wall is unusual in that it doesn’t rely on dead weight or deep pilings to keep from caving in or shifting.
		A good-looking retaining wall depends on level footings, and the best way to establish level over long distances is with a builder’s level.
		Because the gravel is porous, it drains water and separates water-laden soil from the wall.
	www.rd.com /content/openContent.do?contentId=18205 (2053 words)

	How to build a retaining wall project into a rock garden.
		This project is for the homeowner with small retaining wall problems, lots of rock, and not enough yard space.
		The plants in the rock wall to the right were planted about a year ago in the fall.
		Dry walls can be made of broken concrete, old tires(makes a great retaining wall to protect the 1964 Chevy pickup on blocks, behind the chicken coop), logs(don't last long), concrete block (what's the point?), rocks, railroad ties (see logs) and almost anything else you can stack.
	www.laspilitas.com /garden/howto/rockwall.htm (1303 words)

	GARDENING : Lawns & Landscaping : Retaining Wall : DIY Network
		When building a retaining wall, it is crucial that the first layer of the foundation be level, since the remaining wall will be built on top of the base course (figure A).
		As the wall grows, dirt taken from the trench is poured in around the outside perimeter and tamped down to fill in air pockets and prevent further shifting of the soil.
		With the wall in place, a compact utility loader is used to move dirt from higher sections of the yard into place behind the wall (figure F).
	www.diynet.com /diy/gr_lawns_landscaping/article/0,2029,DIY_13852_3673989,00.html (424 words)

	Concrete Block retaining wall - Gardening with Stone Forum - GardenWeb
		The good walls that are over 3 feet high were made with 12" block and they all have a system to prevent the ground behind the wall from becoming saturated with water.
		The life span of a timber wall is also shortened if you have a long season where the ground is warm and you garden on the up side keeping the ground wet and fertilized.
		Most would say that this type wall is beyond a DIY project, but in my second year of wall building, I would say that there are no special skills needed, nor is the cost of tools that much more than needed for other types.
	forums2.gardenweb.com /forums/load/stone/msg031807482197.html (1025 words)

	Retaining wall
		Practically every resource I've ever seen over the years recommends that you be meticulous about waterproofing the exterior wall (and roof) surfaces that will be in contact with the earth, so I'm surprised that you didn't choose a more substantial water/damp-proofing system for the retaining wall of your house.
		The stone backfill you placed will allow free-flowing ground water to be carried down to the foundation drains, but that technique is employed to reduce hydrostatic loads on the wall, not to keep the wall exterior dry.
		I know the wall doesn't have radiant heat tubes in it so it not quite the same, but wouldn't the thermal principles that relate to ground moisture conducting heat away from an uninsulated floor slab also apply to a damp uninsulated retaining wall?
	www.ourcoolhouse.com /go/forum/post/292 (505 words)

	A Crosstie Retaining Wall (Site not responding. Last check: 2007-10-26)
		A retaining wall allows you to turn a useless (for landscaping purposes) slope into a terraced, flat area.
		For a two-course wall, the weight of the ties themselves is sufficient to resist these forces, as long as they're spiked together (and into undisturbed soil) with 1/2" X 18" reinforcing rod every four feet.
		For taller walls, or in other situations where there will be greater than normal stress (where vehicles will be parked, or buildings located, within a distance equal to 1-1/2 times the wall's height), consider using a steel-reinforced concrete or block wall with a footing.
	www.motherearthnews.com /top_articles/1986_January_February/A_Crosstie_Retaining_Wall (1647 words)

	Gravity Retaining Wall
		A gravity retaining wall has a vertical or near vertical face and its ability to retain the soil behind it depends on gravity (its own weight).
		Gravity retaining walls must be built to withstand pressures applied by the retained soil.
		When designing a retaining wall it is necessary to consider these potential forces that could cause wall failure and compare them to the stability calculations of the proposed wall, taking into account general accepted safety factors.
	www.geoproducts.org /gravity_retaining_wall.html (249 words)

	Retaining Wall Systems from Keystone Retaining Wall Systems
		The Keystone Garden Wall enables you to build straight, curved or terraced walls to fit the contours of your yard.
		Use it for retaining or terrace walls up to 2' (60cm) high: patio, lawn or sidewalk edging, garden or flowerbed borders and tree rings.
		This dry stacked yet mechanically connected wall evokes the old world charm of a mason crafted wall.
	www.jmdstones.com /products/retaining_walls/retaining_walls.html (354 words)

	ReCon Retaining Wall System (Site not responding. Last check: 2007-10-26)
		A completed wall is then stained to provide incomparable authenticity and appeal.
		Taller Gravity Walls: The massive size and weight of the block creates the ability to build taller unreinforced retaining walls than can be done with smaller retaining wall blocks.
		Retaining wall batter of 3.58 degrees is automatically built into the wall via the design of the tongue and groove locking mechanism.
	www.reconwalls.com /features.shtml (348 words)

	Westbrook Retaining Wall Blocks - Allan Block (Site not responding. Last check: 2007-10-26)
		A retaining wall is built as a structural wall.
		Retaining walls can be built to support roadways and parking lots, control and manage water flow, and to develop hillsides into buildable property.
		In addition to larger retaining walls, smaller scale garden or landscape walls using Allan Blocks function to add definition or character to a site, improve drainage, terrace a hillside, or to shape an entry.
	www.westbrookblock.com /products/blocks/retainingwall (133 words)

	Retaining Wall Drains (Site not responding. Last check: 2007-10-26)
		A retaining wall drain is to relieve pressure that water may exert on the wall.
		EZflow 10-inch diameter units are installed at the bottom of the wall with a downward grade toward a downstream outlet.
		Subsurface drainage such as EZflow retaining wall drains need to be installed with a even downward slope toward an outlet.
	www.ezflowlp.com /applicationsspecpages/retainingwall.html (261 words)

	Keystone Retaining Wall Systems, Inc. Profile Page
		Keystone Retaining Wall Systems, Inc. is the industry leader in mortarless concrete segmental retaining wall systems.
		Keystone Century Wall is a dry stacked yet mechanically connected wall that evokes the old world charm of a mason crafted structure.
		Country Manor by Keystone Retaining Wall Systems offers the appearance and craftsmanship of hand laid stone with the advantages of segmental wall construction and design.
	www.arcat.com /arcatcos/cos33/arc33583.cfm (311 words)

	CHANCE® (Site not responding. Last check: 2007-10-26)
		Retaining walls can be designed using screw anchors with a modest increase in cost.
		This is accomplished by drilling a small hole for the anchor rod to pass through the basement wall, and then excavating a hole outside to place the bearing plate.
		If the wall needs to be moved, then sufficient soil must be removed to allow the wall to move.
	www.abchance.com /ch_prod/ch_prod_wall.html (211 words)

	Retaining Wall Block (Site not responding. Last check: 2007-10-26)
		County Block retaining wall units can be installed by almost anyone-from landscape contractors or construction crews to do-it-yourselfers.
		This arrangement causes a slight seven degree slant which provides for a wall that is structurally more stable than vertical walls thanks to weight, position and frictional forces between units.
		For walls higher than 4' or for sloped backfills, a qualified engineer must be consulted.
	www.countymaterials.com /f_products/retaining_wall_block.html (304 words)

	Modular Block Retaining Wall Systems - Details (Site not responding. Last check: 2007-10-26)
		Modular block, or segmental, retaining walls employ interlocking concrete units that tie-back into the earth to efficiently resist loads.
		If a wall has additional loads such as sloping backfills or live loads, has a poor foundation, or exceeds the manufacturer's recommended height, a professional engineer should be consulted.
		Modular retaining walls are generally between $5 and $10 per square foot, for a one foot deep wall.
	www.toolbase.org /tertiaryT.asp?TrackID=&CategoryID=1291&DocumentID=2151 (529 words)

	Tensar Earth Technologies, Inc. \| Retaining Walls/Reinforced Slopes \| Mesa Systems Overview
		Mesa Retaining Wall Systems combine the economy and versatility of segmental concrete units with proven geogrid technology to create a new generation of structural block walls – and a new standard in structural wall systems.
		Unlike modular walls, which mix-and-match components from different sources, every component of a Mesa Wall has been specifically designed and detailed to work together for optimum efficiency and performance.
		Units are 8 inches tall and are available in widths of 6, 12, and 18 inches providing an infinite number of Ashlar mosaic-like patterns to choose from.
	www.tensarcorp.com /index.asp?id=100 (322 words)

	Four Retaining Wall Choices
		When a project involves changing the elevations on a building site, retaining walls are often the answer.
		Of course a retaining wall is only as good as the base it is built on, the way it is backfilled, and the drainage incorporated into the design.
		Drawings offer a look inside well-designed retaining walls, and for each material the author discusses affordability, durability, and complexity of construction.
	www.taunton.com /finehomebuilding/pages/fh_173_068.asp (118 words)

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