the use of retaining walls
DESCRIPTION
Retaining walls are concrete or rock structures that are put into place in order to restrain soil on the sides of hills and unnatural sloping ground. Where there is two differing elevations or areas where landscaping has to be severely shaped such as land near expressways or farming on a hillside.TRANSCRIPT
The Use of Retaining Walls
Retaining walls are concrete or rock structures that are put into place in order to restrain soil on the sides of hills and unnatural sloping ground. Where there is two differing elevations or areas where landscaping has to be severely shaped such as land near expressways or farming on a hillside.
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Retaining walls are used in hilly and mountainous regions, and are used in landscape and architectural design to enhance the natural surrounding environment, yet serve a purpose of holding back the soil.
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A retaining wall is engineered to be strong enough to resist and hold back the lateral pressure of the soil when there is a change in the elevation of the ground that is in excess of the repose angle of the soil.
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The most important factor in the design and the construction of a retaining wall is the fact that the retaining wall must counteract the soil pressure being placed upon it by the ground behind it.
Earth will move downhill from its present position due to gravity. The pressure against an object is greater at the lower levels of the retaining wall because of all the earth on top pressing down. The lateral pressure at the top of the wall is zero, and at the bottom, a bunch.
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There are many materials that are used in the construction of retaining walls such as concrete, steel, and rocks. There are also complex combinations of footings and anchors that go back into the soil at perpendicular angles to keep the wall from moving.
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Some retaining walls are built into the side of a hill for example, with techniques that actually reduce the soil pressure behind the wall. The way this is done is to mesh boxes made of wire, and then filled with stone that is roughly cut.
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If done properly, retaining walls can add a great deal of charm to an office, home or other type of building and landscaping project in hilly, steep areas.
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