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  2. Trench shoring - Wikipedia

    en.wikipedia.org/wiki/Trench_shoring

    Trench shoring is the process of bracing the walls of a trench to prevent collapse and cave-ins. The phrase can also be used as a noun to refer to the materials used in the process. The phrase can also be used as a noun to refer to the materials used in the process.

  3. Shoring - Wikipedia

    en.wikipedia.org/wiki/Shoring

    Shoring is used on board when damage has been caused to a vessel's integrity, and to hold leak-stopping devices in place to reduce or stop incoming water. Generally consists of timber 100 mm x 100 mm and used in conjunction with wedges, to further jam shoring in place, pad pieces to spread the load and dogs to hold it together. Also used on ...

  4. Continuous flight augering - Wikipedia

    en.wikipedia.org/wiki/Continuous_flight_augering

    Continuous flight augering can be used to construct a secant piled wall which can be used as a retaining wall or as shoring during excavation. Once initial piles are set with concrete, other shafts are augured between them, slicing into the original piles, with the new ones receiving rebar .

  5. eBay - Wikipedia

    en.wikipedia.org/wiki/EBay

    eBay office in Toronto, Canada. eBay Inc. (/ ˈ iː b eɪ / EE-bay, often stylized as ebay or Ebay) is an American multinational e-commerce company based in San Jose, California, that allows users to buy or view items via retail sales through online marketplaces and websites in 190 markets worldwide.

  6. Soil nailing - Wikipedia

    en.wikipedia.org/wiki/Soil_nailing

    Soil nail components may also be used to stabilize retaining walls or existing fill slopes (embankments and levees); this is normally undertaken as a remedial measure. Since its first application using modern techniques in Versailles in 1972, [ 2 ] soil nailing is now a well-established technique around the world.

  7. New Austrian tunneling method - Wikipedia

    en.wikipedia.org/wiki/New_Austrian_tunneling_method

    The new Austrian tunneling method (NATM), also known as the sequential excavation method (SEM) or sprayed concrete lining method [1] (SCL), is a method of modern tunnel design and construction employing sophisticated monitoring to optimize various wall reinforcement techniques based on the type of rock encountered as tunneling progresses.

  8. Shotcrete - Wikipedia

    en.wikipedia.org/wiki/Shotcrete

    This construction technique was invented by Carl Akeley and first used in 1907. [ 1 ] : 7 The concrete is typically reinforced by conventional steel rods, steel mesh, or fibers. The concrete or mortar is formulated to be sticky and resist flowing when at rest to allow use on walls and ceilings, but exhibit sufficient shear thinning to be easily ...

  9. Lift slab construction - Wikipedia

    en.wikipedia.org/wiki/Lift_slab_construction

    This method of construction simultaneously began development in 1948 by both Philip N. Youtz of New York and Thomas B Slick of Texas. Although the first patent for lift slab construction was given to Slick in 1955, the method of construction is commonly referred to as the "Youtz-Slick Method". [1]

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