Load transfer device for joints in concrete slabs

Details Load transfer device for joints in concrete slabs Load transfer device for joints in concrete slabs

1982-01-15

1984-06-12

Murtagh, John E.

Static structures (e.g., buildings)

Relatively yieldable preformed separator

Separator inserted prior to or during pouring of two...

404 68, E01C 1110, E04F 1514, E04B 168

Patent

active

044533608

ABSTRACT:
A load transfer device, adapted to be grouted into a core hole drilled vertically through the joint between adjoining concrete slabs, includes a hollow diamond-shaped member and anchoring blades attached to opposite sides thereof. The device permits efficient transfer of shear across the joint while maintaining the necessary flexibility to permit expansion and contraction of the joint. A resilient shield is fitted over the faces of the diamond-shaped member to prevent binding of the grout to the faces and to minimize corrosion. The interior hollow space of the diamond-shaped member is filled with a resilient core to eliminate contamination with road debris and other foreign matter.

REFERENCES:
patent: 2125857 (1938-08-01), Fischer
patent: 2208000 (1940-07-01), Geyer
patent: 2228052 (1941-01-01), Gardner
patent: 3023681 (1962-03-01), Worson

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