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  2. Offshore embedded anchors - Wikipedia

    en.wikipedia.org/wiki/Offshore_embedded_anchors

    A deep-penetrating anchor (DPA) is conceptually similar to a torpedo anchor: it features a dart-shaped, thick-walled, steel cylinder with flukes attached to the upper section of the anchor. A full-scale DPA is approximately 15 metres (49 ft) in length, 1.2 metres (4 ft) in diameter, and weighs on the order of 50–100 tonnes (49–98 long tons ...

  3. Suction caisson - Wikipedia

    en.wikipedia.org/wiki/Suction_caisson

    Suction caissons (also referred to as suction anchors, suction piles or suction buckets) are a form of fixed platform anchor in the form of an open bottomed tube embedded in the sediment and sealed at the top while in use so that lifting forces generate a pressure differential that holds the caisson down.

  4. Sea anchor - Wikipedia

    en.wikipedia.org/wiki/Sea_anchor

    A marine parachute anchor for a large yacht awaiting bagging up. A conical sea anchor with tripline (from an illustration in The Sailors Handbook by Halsey C. Herreshoff). An early wooden drogue. A sea anchor (also known as a parachute anchor, drift anchor, drift sock, para-anchor or boat brake) is a device that is streamed from a boat in heavy ...

  5. Mooring (oceanography) - Wikipedia

    en.wikipedia.org/wiki/Mooring_(oceanography)

    The weight is released by sending a coded acoustic command signal and stays on the ground. Deep water anchors are typically made from steel and may be as large as 100 kg. A common deep water anchor consists of a stack of 2–4 railroad wheels. In shallow waters anchors may consist of a concrete block or small portable anchor.

  6. Single buoy mooring - Wikipedia

    en.wikipedia.org/wiki/Single_buoy_mooring

    Single point mooring at Whiddy Island, Ireland Single-point mooring facility off Puthuvype, Kochi, India. A Single buoy mooring (SrM) (also known as single-point mooring or SPM) is a loading buoy anchored offshore, that serves as a mooring point and interconnect for tankers loading or offloading gas or liquid products.

  7. Screw piles - Wikipedia

    en.wikipedia.org/wiki/Screw_piles

    Helical anchors consist of an extendable steel shaft with helical bearing plates. Piles or piers refer to strong base elements that withstand or transfer vertical/horizontal loads. Anchors are piles utilised only in tension applications like restraining wall tiebacks or vertical ground anchors made to resist overturning forces.