Friction rock stabilizer and method for inserting thereof in an

Details Friction rock stabilizer and method for inserting thereof in an Friction rock stabilizer and method for inserting thereof in an

1981-02-12

1982-02-09

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Rock or earth bolt or anchor

411 60, E21D 2100, E21D 2000

Patent

active

043147780

ABSTRACT:
The stabilizer, according to a preferred embodiment thereof, comprises a generally tubular body which is axially slit, according to the prior art. According to the invention, the surfaces of the body immediately adjacent to the slit have ribs formed thereon which define bearing surfaces for clamping together, to draw the surfaces together, closing the slit, and thereby contract the stabilizer to facilitate its insertion into an undersized bore. The novel method, then, comprises contracting an axially slit friction rock stabilizer by engaging the aforesaid ribs (formed thereon) with a tool, to contract the stabilizer to a reduced and constrained cross-sectional dimension, inserting the stabilizer into an undersized bore, and releasing it therein, in order that it may engage and stabilize the surface of the bore (of the earth structure).

REFERENCES:
patent: Re30256 (1980-04-01), Scott
patent: 719817 (1903-02-01), Kunze
patent: 2177231 (1939-10-01), Tinnerman
patent: 2180271 (1939-11-01), Arras
patent: 2258911 (1941-10-01), Skoko
patent: 3425757 (1969-02-01), Minor
patent: 3701555 (1972-10-01), Harris
patent: 4109684 (1978-08-01), Fernandez
patent: 4142704 (1979-03-01), Murray

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