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Retaining walls are built to prevent down-slope movement and to provide support for vertical or near-vertical grade changes. They are commonly made of stone, masonry, brick, concrete, steel or timber and come in a variety of forms, including:
This resource explains how a retaining wall acts to restrain material moving down a slope due to gravity. It also explains what needs to be considered to ensure it is designed and constructed to withstand the forces acting on it.
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This resource is designed for builders and industry professionals who plan on installing a retaining wall.