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A screw pile. Screw piles [2] 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. [3]
The screw-shaped shaft of an excavated Olivier Pile 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.
Screw piles, also called helical piers and screw foundations, have been used as foundations since the mid 19th century in screw-pile lighthouses. [citation needed] Screw piles are galvanized iron pipe with helical fins that are turned into the ground by machines to the required depth. The screw distributes the load to the soil and is sized ...
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]
Franki piles can be used as high-capacity deep foundation elements without the necessity of excavation or dewatering. [4] They are useful in conditions where a sufficient bearing soil can only be reached deeper in the ground, [5] [6] and are best suited to granular soil where bearing is primarily achieved from the densification of the soil around the base. [4]
Pile, a type of deep foundation. Screw piles, used for building deep foundations; Pile bridge, structure that uses foundations consisting of long poles; Pile lighthouse, a type of skeletal lighthouse, used primarily in Florida, US, and in Australia Screw-pile lighthouse, a lighthouse that stands on piles screwed into sandy or muddy sea or river ...
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 ]