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A screw pile. Screw piles were first described by the Irish civil engineer Alexander Mitchell in a paper in Civil Engineer and Architect's Journal in 1848; however, helical piles had been used for almost a decade by this point. [2]
An Olivier pile is a drilled displacement pile:. [1] This is an underground deep foundation pile made of concrete or reinforced concrete with a screw-shaped shaft ( helical shaft ) which is performed without soil removal.
Typically in the form of a horizontal wire or rod, or a helical anchor, a tieback is commonly used along with other retaining systems (e.g. soldier piles, sheet piles, secant and tangent walls) to provide additional stability to cantilevered retaining walls. [1]
House raising (also called house lifting, house jacking, barn jacking, building jacking) is the process of separating a building from its foundation and temporarily raising it with hydraulic screw jacks. The process is the first step in structure relocation in which the building is moved to a different location. [1]
A screw-propelled vehicle A screw-propelled vehicle is a land or amphibious vehicle designed to cope with difficult terrain, such as snow, ice, mud, and swamp. Such vehicles are distinguished by being moved by the rotation of one or more auger-like cylinders fitted with a helical flange that engages with the medium through or over which the vehicle is moving. They have been called Archimedes ...
Cyntech Group is a company founded in 1981 [1] which provides helical pile, helical rigid inclusion, and pipeline anchor engineering and manufacturing services for industrial markets. Milestones [ edit ]
A screw conveyor or auger conveyor is a mechanism that uses a rotating helical screw blade, called a "flighting", usually within a tube, to move liquid or granular materials. They are used in many bulk handling industries.
The pile lighthouses on the reefs in Florida are tall skeletal towers, with living and working quarters set high above the reach of storm waves. Some of the lights were converted screw-pile lighthouses , while others were built on piles driven directly into the sea bed.