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  2. Retaining wall - Wikipedia

    en.wikipedia.org/wiki/Retaining_wall

    A retaining wall is designed to hold in place a mass of earth or the like, such as the edge of a terrace or excavation. The structure is constructed to resist the lateral pressure of soil when there is a desired change in ground elevation that exceeds the angle of repose of the soil.

  3. Mechanically stabilized earth - Wikipedia

    en.wikipedia.org/wiki/Mechanically_stabilized_earth

    The wall face is often of precast, segmental blocks, panels or geocells that can tolerate some differential movement. The walls are infilled with granular soil, with or without reinforcement, while retaining the backfill soil. Reinforced walls utilize horizontal layers typically of geogrids. The reinforced soil mass, along with the facing ...

  4. Earthworks (engineering) - Wikipedia

    en.wikipedia.org/wiki/Earthworks_(engineering)

    Although soil is not very strong, it is cheap enough that huge quantities can be used, generating formidable structures. Examples of older earthwork fortifications include moats, sod walls, motte-and-bailey castles, and hill forts. Modern examples include trenches and berms.

  5. Tieback (geotechnical) - Wikipedia

    en.wikipedia.org/wiki/Tieback_(geotechnical)

    Typically in the form of a horizontal wire or rod, or a helical anchor, a tieback is commonly used along with other retaining systems (e.g. soldier piles, sheet piles, secant and tangent walls) to provide additional stability to cantilevered retaining walls. [1]

  6. Cellular confinement - Wikipedia

    en.wikipedia.org/wiki/Cellular_confinement

    A cellular confinement system being installed on an experimental trail in south-central Alaska Wood matrix after installation in Wrangell–St. Elias Park in Alaska Geocell materials Filling a geocell envelope with earth to make a temporary barrier wall. Cellular confinement systems (CCS)—also known as geocells—are widely used in ...

  7. Ecology block - Wikipedia

    en.wikipedia.org/wiki/Ecology_block

    When constructing a retaining wall from eco-blocks, a stable foundation is still required. In July 2015, a 70-year-old man in Washington died after an ecology block wall under construction on a sand foundation collapsed, and his legs were crushed by a 3,600-pound (1,600 kg) block. [1] [12]

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