Method of stabilizing a rock structure and stabilizer therefor

Details Method of stabilizing a rock structure and stabilizer therefor Method of stabilizing a rock structure and stabilizer therefor

E - Fixed Constructions

21

D

166/68

E21D 21/00 (2006.01)

Patent

CA 1286603

Abstract A closed tubular preferably circularly cylindrical rock stabilizer is made of expansible mild steel and given a perimeter equal to .pi. D. After being inserted in a drill hole of a diameter slightly larger than D, the stabilizer is expanded radially by hydraulic high pressure fluid past the value D to such an extent that the irregularities of the drill hole are filled and the rock widened elastically around the stabilizer to provide an anchoring shrinkage fit therefor. 86038 ZT 861216

554312

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