StoneWall Select Retaining Wall System.

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Surcharged Walls

In many cases a retaining wall must carry additional loads or surcharges in addition to the earth behind the wall. These surcharges exert additional pressure on the wall. Common surcharge loads are:

If there is a surcharge placed on a wall, the maximum unreinforced wall height will decrease. This added pressure may also require additional geogrid layers and/or deeper embedment of the geogrid

 1. Sloped backfill.
2. Terraced retaining walls when the spacing between tiers is less than two times the lower wall height.
3. Buildings, outdoor storage.
4. Parking lots, streets and highways which are loaded by vehicular traffic.
Whenever a surcharge exists, the wall must be engineered to carry the additional load. These unique conditions and requirements fall outside the scope of this manual.


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