Breakaway utility pole shear base structure

Details Breakaway utility pole shear base structure Breakaway utility pole shear base structure

E - Fixed Constructions

02

D

20/108.1

E02D 27/42 (2006.01) E01F 9/018 (2006.01)

Patent

CA 1301425

ABSTRACT OF THE DISCLOSURE A breakaway utility polo structure having a tubular base (II) anchored in the ground substantially at ground level and adapted to telescopically securethe bottom end portion of a polo (9) the base (II) having a circumferential shear groove (20) adjacent to its bottom end and the base being secured in the base byadhesive material (12) and by bolts (21) spaced above the shear groove (20) saidshear groove adapted to cause failure of the base when the pole is subjected to horizontal impact at a predetermined distance above ground level from a vehicle of predetermined weight moving horizontally at a predetermined minimum speed.

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