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  2. Hollow-core slab - Wikipedia

    en.wikipedia.org/wiki/Hollow-core_slab

    Diagram of a concrete slab of hollow core construction Photograph of a hollowcore assembly. A hollow core slab, also known as a voided slab, hollow core plank or simply a concrete plank is a precast slab of prestressed concrete typically used in the construction of floors in multi-story apartment buildings.

  3. Prestressed concrete - Wikipedia

    en.wikipedia.org/wiki/Prestressed_concrete

    Prestressed concrete is a form of concrete used in construction. It is substantially "prestressed" ... Pre-tensioned, precast hollow-core slab being placed.

  4. Voided biaxial slab - Wikipedia

    en.wikipedia.org/wiki/Voided_biaxial_slab

    Hollow-core slabs, also known as voided slabs, initially appeared as one-way elements in Europe during the 1950s, and are still commonly manufactured in precast form for applications where fast construction and low self-weight are required. [2] [6] Waffle slabs are

  5. List of commercially available roofing materials - Wikipedia

    en.wikipedia.org/wiki/List_of_commercially...

    There are three main categories, precast/prestressed, cast-in-place and shell. There are many types of precast/prestressed concrete roofing. The following are the most common types. [8] Double tees are the most common products for short spans up to 60 feet (18 m) Hollow-core slabs are used when there is a need for flushed ceiling.

  6. Concrete slab - Wikipedia

    en.wikipedia.org/wiki/Concrete_slab

    A hollow core slab which is precast and installed on site with a crane; In high rise buildings and skyscrapers, thinner, pre-cast concrete slabs are slung between the steel frames to form the floors and ceilings on each level. Cast in-situ slabs are used in high rise buildings and large shopping complexes as well as houses.

  7. Spancrete - Wikipedia

    en.wikipedia.org/wiki/Spancrete

    Spancrete produces precast, prestressed concrete products that are used in commercial, industrial, institutional, residential and multifamily construction projects in the Midwest and Southeast. The company also manufactures and sells hollowcore extrusion machines that are used to produce precast concrete internationally.

  8. Talk:Prestressed concrete - Wikipedia

    en.wikipedia.org/wiki/Talk:Prestressed_concrete

    Slabs are used to support great weights, and often exposed to high bending moments; thus prestressing the concrete can increase the maximum supportable weight. Hollow-core (link to precast concrete ŝmention of hollow core) floors are cast using a low-slump mix, and cut up at the factory site.

  9. Precast concrete - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete

    A precast concrete walled house under construction An example of low-quality precast concrete with exposed dowels, connectors, indications of cracks, and malformations, even during its installation, Barangay Lantic, Carmona, Cavite, Philippines Interior view of the walls, supports, and roof of a precast commercial shop in Williston, North Dakota, US.

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