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  2. Railroad tie - Wikipedia

    en.wikipedia.org/wiki/Railroad_tie

    Wooden ties recycled as sculptures at Northfield railway station Stone block from the Scotch gauge Ardrossan Railway used to construct a loading dock. In recent years, wooden railroad ties have also become popular for gardening and landscaping, both in creating retaining walls and raised-bed gardens, and sometimes for building steps as well ...

  3. Concrete sleeper - Wikipedia

    en.wikipedia.org/wiki/Concrete_sleeper

    Concrete sleepers Concrete sleeper tie on the BNSF Railway in La Crosse, Wisconsin. A concrete sleeper (British English) or concrete tie (American English) is a type of railway sleeper or railroad tie made out of steel reinforced concrete.

  4. Precast concrete - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete

    Products include: box culverts, 3-sided culverts, bridge systems, railroad crossings, railroad ties, sound walls/barriers, Jersey barriers, tunnel segments, concrete barriers, TVCBs, central reservation barriers, bollards, and other transportation products. Precast concrete can also be used to make underpasses, surface crossings, and pedestrian ...

  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. 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 ...

  7. Tie (cavity wall) - Wikipedia

    en.wikipedia.org/wiki/Tie_(cavity_wall)

    The tie in a cavity wall [1] [2] is a component used to tie the internal and external walls (or leaves)—constructed of bricks or cement blocks—together, making the two parts to act as a homogeneous unit. It is placed in the cavity wall during construction and spans the cavity.