Mine roof support structure and method

Details Mine roof support structure and method Mine roof support structure and method

E - Fixed Constructions

21

D

254/117

E21D 21/00 (2006.01)

Patent

CA 2011774

The invention relates to a rock supporting or reinforcing assembly of the type comprising a bolt threaded at both ends and having a mechanical expansion anchor disposed at one end and a tensioning nut disposed on the opposite end, and to a method for the installation of the assembly within a bore hole in the rock structure. The expansion anchor expands to engage the wall of the bore hole before the tensioning nut travels up the threads at the other end to tension the bolt.

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