Cribbing

Details Cribbing Cribbing

E - Fixed Constructions

21

D

61/66

E21D 15/00 (2006.01) E21D 15/48 (2006.01)

Patent

CA 1235912

ABSTRACT A crib member for forming underground cribbing is provided in the form of a concrete circle containing fibre reinforcing and preferably in the form of a donut shaped member. A plurality of such members is stacked one on top of another to form a cylindrical cribbing.

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