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  2. Concrete sleeper - Wikipedia

    en.wikipedia.org/wiki/Concrete_sleeper

    Old concrete sleepers can be used for things like retaining walls, else they might be crushed to recycle gravel and the steel reinforcing. [ 9 ] Special sleepers may be necessary on extremely sharp curves, such as the new triangle at Newmarket, New Zealand on the 1,067 mm ( 3 ft 6 in ) gauge of radius 95 m (312 ft).

  3. Sleeper wall - Wikipedia

    en.wikipedia.org/wiki/Sleeper_wall

    Essentially it is a wall in the way that it is constructed but a sleeper in the way that it functions. Stretcher bond or header-stretcher bond can be used in these walls. sleeper wall can also refer to a retaining wall made from railroad ties. It is used to prevent erosion. It can be made from bricks or concrete blocks. The wall is often used ...

  4. Retaining wall - Wikipedia

    en.wikipedia.org/wiki/Retaining_wall

    Cantilevered retaining walls are made from an internal stem of steel-reinforced, cast-in-place concrete or mortared masonry (often in the shape of an inverted T). These walls cantilever loads (like a beam ) to a large, structural footing, converting horizontal pressures from behind the wall to vertical pressures on the ground below.

  5. Ballastless track - Wikipedia

    en.wikipedia.org/wiki/Ballastless_track

    The Swiss Federal Railways replaced the sleepers and rubber shoes of the ballastless track in the 4.9-kilometre (3.0 mi)-long Heitersberg Tunnel between 2014 and 2016, whereas no maintenance of the concrete slab was necessary 39 years after the tunnel's opening. [4] [5]

  6. Revetment - Wikipedia

    en.wikipedia.org/wiki/Revetment

    Asphalt and sandbag revetment with a geotextile filter. A revetment in stream restoration, river engineering or coastal engineering is a facing of impact-resistant material (such as stone, concrete, sandbags, or wooden piles) applied to a bank or wall in order to absorb the energy of incoming water and protect it from erosion.

  7. Deep foundation - Wikipedia

    en.wikipedia.org/wiki/Deep_foundation

    When used in permanent works, these walls can be designed to resist vertical loads in addition lateral load from retaining soil. Construction of both methods is the same as for foundation bearing piles. Contiguous walls are constructed with small gaps between adjacent piles. The spacing of the piles can be varied to provide suitable bending ...

  8. Robert Bunning - Wikipedia

    en.wikipedia.org/wiki/Robert_Bunning

    The business, focused on Bunnings hardware stores, became a national and international brand, with stores across Australia and New Zealand, [4] and until 2018, the UK and Ireland. [1] The state's logging competition, organised by the Australia Day Sports Committee, named the 12in. standing block the Robert Bunning Memorial Cup, after Bunning ...

  9. Bunding - Wikipedia

    en.wikipedia.org/wiki/Bunding

    Bunding, also called a bund wall, is a constructed retaining wall around storage "where potentially polluting substances are handled, processed or stored, for the purposes of containing any unintended escape of material from that area until such time as a remedial action can be taken."

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