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  2. Screw piles - Wikipedia

    en.wikipedia.org/wiki/Screw_piles

    Screw piles, sometimes referred to as screw-piles, screw piers, screw anchors, screw foundations, ground screws, helical piles, helical piers, or helical anchorsare a steel screw-in piling and ground anchoringsystem used for building deepfoundations. Screw piles are typically manufactured from high-strength steel[1]using varying sizes of ...

  3. Deep foundation - Wikipedia

    en.wikipedia.org/wiki/Deep_foundation

    Deep foundation. A deep foundation installation for a bridge in Napa, California, United States. Pile driving operations in the Port of Tampa, Florida. A deep foundation is a type of foundation that transfers building loads to the earth farther down from the surface than a shallow foundation does to a subsurface layer or a range of depths.

  4. Franki piling system - Wikipedia

    en.wikipedia.org/wiki/Franki_Piling_System

    Franki piling system. (Redirected from Franki Piling System) A Franki pile. The Franki piling system (also called pressure -injected footing) is a method used to drive expanded base cast- in-situ concrete (Franki) piles. [1] It was developed by Belgian Engineer Edgard Frankignoul in 1909. [2]

  5. Anchor bolt - Wikipedia

    en.wikipedia.org/wiki/Anchor_bolt

    Anchor bolt. Anchor bolts are used to connect structural and non-structural elements to concrete. [2] The connection can be made by a variety of different components: anchor bolts (also named fasteners), steel plates, or stiffeners. Anchor bolts transfer different types of load: tension forces and shear forces.

  6. Precast concrete lifting anchor system - Wikipedia

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

    The anchor selection, together with additional reinforcement, and rigging arrangements is influenced by: - The dead weight of the element - The number of anchors in the element and the configuration of the anchor - Capacity of the anchor at the specific concrete compressive strengths at time of lift - The dynamic loads applied during lifting ...

  7. Underpinning - Wikipedia

    en.wikipedia.org/wiki/Underpinning

    Underpinning. In construction or renovation, underpinning is the process of strengthening the foundation of an existing building or other structure. Underpinning may be necessary for a variety of reasons: The original foundation isn't strong or stable enough. The usage of the structure has changed. The properties of the soil supporting the ...

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