Closed ring-shaped reinforcing member for a concrete structure

Details Closed ring-shaped reinforcing member for a concrete structure Closed ring-shaped reinforcing member for a concrete structure

1985-12-13

1987-09-22

Bell, J. Karl

Static structures (e.g., buildings)

With component having discrete prestressing means

Beam, girder, or truss construction

52230, E04C 310, E04C 512

Patent

active

046946233

ABSTRACT:
A closed ring-shaped reinforcing member for use in a concrete structure and which is stressed by annular tensile forces, such as a bell-shaped anchoring body for a prestressing member used in a prestressing concrete structure, is provided around the radially outer surface with a coating of a material which is elastically or plastically deformable under compression. The reinforcing member can deform under the action of annular tensile forces which cause it to stretch, but the presence of the deformable coating on its outside surface prevents the transfer of such deforming forces to the concrete structure, since otherwise such forces could result in the formation of cracks in the structure.

REFERENCES:
patent: 3513609 (1970-05-01), Lang
patent: 4258518 (1981-03-01), Xercavins
patent: 4348844 (1982-09-01), Schupack et al.
patent: 4484425 (1984-11-01), Muller
patent: 4557087 (1985-12-01), Kitta et al.
patent: 4561226 (1985-12-01), Tourneur

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