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  2. Precast concrete lifting anchor system - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete_lifting...

    The rigging arrangements can influence the applied anchor load, where statically indeterminate systems are not necessarily a design consideration, but can be used in practice. The determination of the loads through the rigging system must be a consideration whilst calculating the load resistant model, refer to the examples shown in Figure 3.

  3. Bent (structural) - Wikipedia

    en.wikipedia.org/wiki/Bent_(structural)

    A bent in American English is a transverse rigid frame (or similar structures such as three-hinged arches). Historically, bents were a common way of making a timber frame ; they are still often used for such, and are also seen in small steel-frame buildings, where the term portal frame is more commonly used.

  4. Precast concrete - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete

    A retaining wall made of modular precast concrete blocks. Precast concrete is employed in a wide range of engineered earth retaining systems. Products include commercial and residential retaining walls, sea walls, mechanically stabilized earth panels, and other modular block systems. [9]

  5. Rebar - Wikipedia

    en.wikipedia.org/wiki/Rebar

    Rebar (short for reinforcement bar or reinforcing bar), known when massed as reinforcing steel or steel reinforcement, [1] is a tension device added to concrete to form reinforced concrete and reinforced masonry structures to strengthen and aid the concrete under tension.

  6. What is RAAC concrete? How to tell if school buildings are at ...

    www.aol.com/raac-concrete-tell-school-buildings...

    The term “RAAC” or “Reinforced Autoclave Aerated Concrete” might also be found in original design and drawing plans for buildings constructed between 1950 and 1990. Show comments Advertisement

  7. American Concrete Institute - Wikipedia

    en.wikipedia.org/wiki/American_Concrete_Institute

    ACI 318 Building Code Requirements for Structural Concrete provides minimum requirements necessary to provide public health and safety for the design and construction of structural concrete buildings. [6] It is issued and maintained by the American Concrete Institute. [7] The latest edition of the code is ACI 318-19.

  8. Tilt up - Wikipedia

    en.wikipedia.org/wiki/Tilt_up

    A finished tilt-up building. Tilt-up, tilt-slab or tilt-wall is a type of building and a construction technique using concrete.Though it is a cost-effective technique with a shorter completion time, [1] poor performance in earthquakes has mandated significant seismic retrofit requirements in older buildings.

  9. Expansion joint - Wikipedia

    en.wikipedia.org/wiki/Expansion_joint

    They are commonly found between sections of buildings, bridges, sidewalks, railway tracks, piping systems, ships, and other structures. Building faces, concrete slabs, and pipelines expand and contract due to warming and cooling from seasonal variation, or due to other heat sources. Before expansion joint gaps were built into these structures ...