Earth structure stabilizing method, and a friction rock stabiliz

Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor

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405252, E21D 2100

Patent

active

043136958

ABSTRACT:
The method aspect of the invention comprises stabilizing an earth structure by forming a plurality of concentric boreholes therein, and inserting, in each of the boreholes, a friction rock stabilizer. A friction rock stabilizer, so defined as to be useful in the method, comprises another aspect of the invention, the stabilizer having a plurality of concentric, tubular bodies. In this novel friction rock stabilizer, one of the tubular bodies defines an axial extension of another thereof. In addition, then, the invention further embraces the definition of a novel axial extension for a friction rock stabilizer.

REFERENCES:
patent: 3899893 (1975-08-01), Banerjee et al.
patent: 4052860 (1977-11-01), Alterman
patent: 4098087 (1978-07-01), Swain
patent: 4126004 (1978-11-01), Lindeboom
patent: 4132080 (1979-01-01), Hansen

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