Method for anchoring a bolt in a rock-like structure

Details Method for anchoring a bolt in a rock-like structure Method for anchoring a bolt in a rock-like structure

E - Fixed Constructions

21

D

61/47

E21D 20/02 (2006.01) E21D 21/00 (2006.01) F16B 13/14 (2006.01)

Patent

CA 1214946

Abstract of the Invention A method for anchoring a bolt, having a helical channel adjacent the end thereof, in a bore hole in a rock-like structure, especially in anchoring of mine roof bolts, wherein a resin package is first inserted into the bore hole and the bolt is inserted and rotated in a direction opposite the direction of the helical channel to fragment the resin package and mix the resin, and prior to complete hardening of the resin, but after substantial hardening thereof, the bolt is rotated in the opposite direction while the resin completely hardens to anchor the bolt in the rock-like structure.

458130

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