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2. Screw piles - Wikipedia

   en.wikipedia.org/wiki/Screw_piles

   Screw piles are typically manufactured from high-strength steel [1] using varying sizes of tubular hollow sections with helical flights. The pile shaft transfers a structure's load into the pile. Helical steel plates are welded to the pile shaft to suit the site specific ground conditions. Helices can be press-formed to a specified pitch or ...

3. Dolphin (structure) - Wikipedia

   en.wikipedia.org/wiki/Dolphin_(structure)

   Wood pilings grouped into a pair of dolphins serving as a protected entryway to a boat basin. A dolphin is a group of pilings arrayed together to serve variously as a protective hardpoint along a dock, in a waterway, or along a shore; as a means or point of stabilization of a dock, bridge, or similar structure; as a mooring point; and as a base for navigational aids.

4. Larssen sheet piling - Wikipedia

   en.wikipedia.org/wiki/Larssen_sheet_piling

   Larssen sheet piling was developed in 1906 by Tryggve Larssen, engineer from Bremen (Germany). [ 2 ] [ 3 ] [ 4 ] Its applications include piers , oil terminals , waste storage facilities, shoreline protection, [ 5 ] bridges, houses, buildings, dry docks, other construction sites, and for the strengthening of pond banks, preventing slumping into ...

5. Whirlpool Jet Boats installing new docks at waterfront

   www.aol.com/sports/whirlpool-jet-boats...

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6. Cofferdam - Wikipedia

   en.wikipedia.org/wiki/Cofferdam

   A cofferdam on the Ohio River near Olmsted, Illinois, built for the purpose of constructing the Olmsted Lock and Dam A cofferdam during the construction of locks at the Montgomery Point Lock and Dam A cofferdam is an enclosure built within a body of water to allow the enclosed area to be pumped out or drained. [ 1 ]

7. Piling maintenance a challenge along riverfront - AOL

   www.aol.com/news/piling-maintenance-challenge...

   Sep. 28—Scattered across the riverfront, the mossy, aging and oftentimes rotten timber pilings serve as both a symbol of Astoria's history and a reminder of the challenges of operating over the ...

8. Tieback (geotechnical) - Wikipedia

   en.wikipedia.org/wiki/Tieback_(geotechnical)

   Grouted tiebacks can be constructed as steel rods drilled through a concrete wall out into the soil or bedrock on the other side. Grout is then pumped under pressure into the tieback anchor holes to increase soil resistance and thereby prevent tiebacks from pulling out, reducing the risk for wall destabilization.

9. Pile driver - Wikipedia

   en.wikipedia.org/wiki/Pile_driver

   A pile driver is a heavy-duty tool used to drive piles into soil to build piers, bridges, cofferdams, and other "pole" supported structures, and patterns of pilings as part of permanent deep foundations for buildings or other structures. Pilings may be made of wood, solid steel, or tubular steel (often later filled with concrete), and may be ...