Dynamic earth anchor, and a sleeve therefor

Details Dynamic earth anchor, and a sleeve therefor Dynamic earth anchor, and a sleeve therefor

E - Fixed Constructions

21

D

61/46

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

Patent

CA 2022433

A dynamic earth anchor comprises a plastic sleeve for insertion into a borehole formed therefor in a terrestrial formation, and a rock bolt for insertion into the sleeve, for stabilizing the formation. The sleeve is a hollow body having a conformation which facilitates either its installation into the borehole, or the insertion of the rock bolt thereinto. Additionally, in at least one embodiment thereof, the conformation of the sleeve accommodates for the flow of a fluid, such as a grout, along its outer surface. In another embodiment, the conformation of the sleeve is such as to provide for the rupture of a grout cartridge installed in the borehole in advance of the sleeve.

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