Non-metallic reinforcing rod and method of use in supporting...

Details Non-metallic reinforcing rod and method of use in supporting... Non-metallic reinforcing rod and method of use in supporting...

E - Fixed Constructions

21

D

E21D 21/00 (2006.01) E21D 20/02 (2006.01)

Patent

CA 2113321

ABSTRACT OF THE DISCLOSURE An elongated rod fabricated of polymeric material for use in reinforcing an underground passage includes an integral structure of a shaft portion, washer element and torque receiving end portion. The shaft portion is fabricated of a preselected polymeric material as required to meet the strength requirements of the rod in reinforcing the rock formation surrounding the passage. For use in reinforcing the side walls of a passage, the rod is fabricated of plastic material recycled, for example, from plastic beverage containers. The integral construction eliminates the need to thread the end of the rod to receive a nut. The washer element seats against a bearing block compressed against the side wall. When used with a resin system, the rod is anchored in the bore hole to maintain the bearing block compressed against the side wall to support the surrounding rock strata.

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