Hydraulic and earth engineering – Earth treatment or control – Rock or earth bolt or anchor
Patent
1998-02-06
2000-06-13
Taylor, Dennis L.
Hydraulic and earth engineering
Earth treatment or control
Rock or earth bolt or anchor
4052591, 4053022, 411 8, 411 82, E21D 2002
Patent
active
060741341
ABSTRACT:
A tensionable mine roof cable bolt having a resin grouted upper portion and a mechanically anchored lower portion. The lower portion includes a shaft which is swaged to the cable and accepts a mechanical anchor. The cable bolt is rotated during installation in a mine roof bore hole to mix resin and simultaneously engage the mechanical anchor with the rock. A drivehead press fitted onto the lower end of the cable fails upon tensioning of the bolt to a predetermined load.
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Bureau of Mines Information Circular/1994, "Cable Bolt Support Technology in North America", pp. 6-11, Goris et al.
Product Report 102 BLM Mincon Inc. 1-92, "Preformed Cable Anchor", pp. J01680-83.
Stankus John C.
Taylor Kendal L.
Jennmar Corporation
Taylor Dennis L.
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