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  2. Precast concrete - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete

    Precast concrete is a construction product produced by casting concrete in a reusable mold or "form" which is then cured in a controlled environment, transported to the construction site and maneuvered into place; examples include precast beams, and wall panels, floors, roofs, and piles.

  3. F-shape barrier - Wikipedia

    en.wikipedia.org/wiki/F-shape_barrier

    The states' contractors already had a significant investment in the Jersey-shape casting forms and it would cost them money to change the profiles of the forms. The F-shape and the Jersey-shape have the same slopes, but the distance from the ground to the slope break point of the F-shape is 255 millimetres (10.0 in), which is 75 millimetres (3. ...

  4. Curb - Wikipedia

    en.wikipedia.org/wiki/Curb

    Curbs can also be precast at a central location and trucked to the construction site. Asphalt curb is usually made with a paving machine. It can be cheaper if it is formed at the same time that a road is paved, but is less durable than a concrete curb. [citation needed] Stone curb, often made from granite, is durable and resistant to de-icing ...

  5. Slip forming - Wikipedia

    en.wikipedia.org/wiki/Slip_forming

    The first residential building of slipform construction; erected in 1950 in Västertorp, Sweden, by AB Bygging Later picture of the residential building in Västertorp. Slip forming, continuous poured, continuously formed, or slipform construction is a construction method in which concrete is placed into a form that may be in continuous motion horizontally, or incrementally raised vertically.

  6. Jersey barrier - Wikipedia

    en.wikipedia.org/wiki/Jersey_barrier

    Jersey barriers on the road. A Jersey barrier, Jersey wall, or Jersey bump is a modular concrete or plastic barrier employed to separate lanes of traffic.It is designed to minimize vehicle damage in cases of incidental contact while still preventing vehicle crossovers resulting in a likely head-on collision.

  7. Concrete landscape curbing - Wikipedia

    en.wikipedia.org/wiki/Concrete_landscape_curbing

    Concrete landscape curbing (or concrete landscape bordering) is an alternative to plastic or metal landscape edging. Landscape curbing is made with various elements of concrete depending on the climate where it is being used. [ 1 ]

  8. Accelerated curing - Wikipedia

    en.wikipedia.org/wiki/Accelerated_curing

    Accelerated curing is any method by which high early age strength is achieved in concrete.These techniques are especially useful in the prefabrication industry, wherein high early age strength enables the removal of the formwork within 24 hours, thereby reducing the cycle time, resulting in cost-saving benefits. [1]

  9. East Side Access - Wikipedia

    en.wikipedia.org/wiki/East_Side_Access

    The estimated cost of the project rose over threefold from US$3.5 billion to US$11.1 billion as of April 2018, making it one of the world's most expensive underground rail-construction projects. The new LIRR terminal contains eight tracks and four platforms in a two-level station 100 feet (30.5 m) below street level.

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