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  2. Pier (bridge structure) - Wikipedia

    en.wikipedia.org/wiki/Pier_(bridge_structure)

    Most of the piers of modern bridges are made of reinforced concrete or prestressed concrete for larger structures. Two types of forms are mainly encountered: columns or walls. Each support can be composed of one or more walls or columns. The standard-shaped walls that can be found on most highways are represented in the illustration opposite.

  3. Pier (architecture) - Wikipedia

    en.wikipedia.org/wiki/Pier_(architecture)

    A concrete girder bridge pier during construction prior to installation of the bridge deck and parapets, consisting of multiple angled pylons for support (bottom), a horizontal concrete cap (center), and girders (top) with temporary wood bracing A quadruple compound pier supporting the fly-over at the traffic junction 24 Oktoberplein (Utrecht ...

  4. List of construction methods - Wikipedia

    en.wikipedia.org/wiki/List_of_Construction_methods

    Concrete is a mix of cement and water plus an aggregate such as sand or stone. Its compression strength means it can support heavy weights. [5] Insulating concrete forms (ICFs) cam be used for home construction. They are made by pouring concrete between rigid panels, often made out of polystyrene foam. Rebar can provide additional strength ...

  5. Caisson (engineering) - Wikipedia

    en.wikipedia.org/wiki/Caisson_(engineering)

    Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.

  6. Movable scaffolding system - Wikipedia

    en.wikipedia.org/wiki/Movable_scaffolding_system

    Once several bridge piers are complete, support brackets are attached to adjacent piers and the main parallel girders of the MSS are lifted in place to support the scaffold and concrete forms. Jacks are used to raise the girders and forms and the concrete is poured for the segment (or span) after rebar is placed. After the concrete has cured ...

  7. Deep foundation - Wikipedia

    en.wikipedia.org/wiki/Deep_foundation

    Also called caissons, drilled shafts, drilled piers, cast-in-drilled-hole piles (CIDH piles) or cast-in-situ piles, a borehole is drilled into the ground, then concrete (and often some sort of reinforcing) is placed into the borehole to form the pile. Rotary boring techniques allow larger diameter piles than any other piling method and permit ...

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  9. Girder bridge - Wikipedia

    en.wikipedia.org/wiki/Girder_bridge

    A pier is an intermediate support. The cap is the part that supports the bearing pads. Depending on the type of support structure, there may or may not be a cap. Wall piers and stub abutments do not require a cap, while a multi-column, hammerhead, or pile-bent pier will have a cap. The stem or stub is the main body of the foundation. It ...

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