Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent
1984-11-23
1987-01-06
Husar, Cornelius J.
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
405288, E21D 2000
Patent
active
046343180
ABSTRACT:
A rock mass reinforcement for use in the mining, civil engineering industry or similar applications for reinforcing the rock mass in the rib and back of an excavation having a plurality of drill holes arranged in a reinforcement drill hole pattern, a continuous cable having one end initially anchored and its other end being free for sequential installation and tensioning at each drill hole of the drill hole pattern in combination with an anchor-pulley assembly for sequentially holding in slidable securement a looped end portion of the continuous cable at each drill hole of the drill hole pattern and a drill hole collar plate assembly having a drill hole collar plug and a plug insert, for sequentially locking applied tension on the continuous cable at each drill hole of the drill hole pattern. The reinforcement when installed in the rock mass results in a homogeneous reinforcement of fractures and joint oriented in multi-directional planes.
REFERENCES:
patent: 3422586 (1969-01-01), Parma
patent: 3427811 (1969-02-01), White
patent: 3505824 (1970-04-01), White
patent: 3601994 (1971-08-01), Galis
patent: 3650112 (1972-03-01), Howlett et al.
patent: 4160615 (1979-07-01), Baldwin
patent: 4265571 (1981-05-01), Scott
patent: 4413928 (1983-11-01), Tucker
CF & I Mine Rock Bolts, CF & I Steel Corp., Publication M-153 (Rev.), Oct. 1974.
Rod Trusses, Birmington Bolt Co., SME Mining Engineering Handbook, vol. 1, p. 155, Ch. 13, FIG. 130, Port Press., Baltimore, Md., 1973.
Scott Cable Sling, Interior Rock Reinforcement Fixtures by J. J. Scott, p. 6, FIG. 17, Univ. of Missouri-Rolla, May 1980.
CF & I Mine Rock Bolts, CF & I Steel Corp., with Pattin Expansion Shells, Pattin Mfg. Co.
Flores Victor
Husar Cornelius J.
Stodola Nancy J.
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