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An earth anchor is a device designed to support structures, most commonly used in geotechnical and construction applications. Also known as a ground anchor , percussion driven earth anchor or mechanical anchor , it may be impact driven into the ground or run in spirally, depending on its design and intended force-resistance characteristics.
Albert Bishop Chance (1873–1949) was a businessman and the inventor of the first practical earth anchor. [1] He founded the A.B. Chance Company in 1907 in his hometown of Centralia, Missouri, where he would also become mayor [2] He invented the earth anchor after an ice storm knocked down his parents' company's telephone lines.
Earth anchor, a device to support structures, used in geotechnical and construction applications; Anchor bolt, to attach objects or structures to concrete; Anchor (climbing), used in rock climbing; Anchor plate, to strengthen buildings; Anchor, part of a microdermal implant in body modification; Anchor escapement, a type of escapement used in ...
Depending on the project, the bored pile retaining wall may include a series of earth anchors, reinforcing beams, soil improvement operations and shotcrete reinforcement layer. This construction technique tends to be employed in scenarios where sheet piling is a valid construction solution, but where the vibration or noise levels generated by a ...
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.
This new anchor concept has only been recently developed but has been tested both in the lab and field. The different components of the DEPLA can be seen in the labeled diagram in the figure. The Omni-Max anchor pictured is a gravity-installed anchor that is capable of being loaded in any direction due to its 360-degree swivel feature. [12]