Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent
1980-01-07
1982-02-02
Taylor, Dennis L.
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
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
Ingersoll-Rand Company
Murphy Bernard J.
Taylor Dennis L.
Tibbott David W.
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