Method and device for performing ground anchorage

Details Method and device for performing ground anchorage Method and device for performing ground anchorage

1997-03-06

1999-11-30

Friedman, Carl D.

Static structures (e.g., buildings)

With piercing or expanding earth anchor

52158, 52166, 5274521, 405244, 4052591, E02D 580

Patent

active

059921030

ABSTRACT:
Method and arrangement for anchorage in the soil by means of a ground anchor (1) in the form of a tube (2) in which at least two axial slots (3a, 3b) are arranged along at least one region of a tube wall in a part of the tube which is to be driven into the soil. This tube (2) is driven into the soil by cooperating with a pike (4) which is arranged in the tube (2) and which, after the tube has been driven in, is removed therefrom. The method according to the invention is characterized in that the tube (2) in at least one region with axial slots (3a, 3b) is subjected to a radial load by means of a tool (5) which is sunk into the tube and which is actuated so as to exert a controllable expansion of the tube is brought about in this region. The tool is removed from the tube when a predetermined degree of expansion has been attained.

REFERENCES:
patent: 1408007 (1922-02-01), Klein
patent: 2269646 (1942-01-01), Burke
patent: 3735541 (1973-05-01), Vanderlinde
patent: 3797260 (1974-03-01), Webb
patent: 4160613 (1979-07-01), Stanwick
patent: 4825604 (1989-05-01), Manning
patent: 5066168 (1991-11-01), Holdeman

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