Rock anchor assembly

Details Rock anchor assembly Rock anchor assembly

E - Fixed Constructions

21

D

E21D 21/00 (2006.01) E21D 21/02 (2006.01)

Patent

CA 2138940

A rock anchor includes an elongate element. An enlarging means is carried on at least a portion of the elongate element for enlarging a transverse dimension of said portion of the elongate element. The transverse dimension is reducible on the application of a suitable force applied to the enlarging means. The invention extends to a tensioning device for use with the rock anchor and to a yielding anchor assembly which includes the rock anchor and the tensioning device.

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