Force transfer body for an anchorage

Details Force transfer body for an anchorage Force transfer body for an anchorage

1993-03-17

1994-09-13

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Assembled in situ-type anchor or tie

5222313, 29452, E04C 512

Patent

active

053457420

ABSTRACT:
The force transfer body comprises a first, essentially annular partial body, preferably of cast steel, and a second partial body, preferably of a castable mortar mass capable of hardening. The second partial body is cast in one piece with the first partial body. An inner conical aperture is lined with a funnel-shaped plastic part, which overlaps at least a section of the first partial body. The first partial body has an abutting surface, turned away from the part of the structure, serving the firm contact with an anchor head containing individual members. The prestressing forces arising concentratedly with the anchorage are conveyed from the anchor head via the first partial body into the second partial body, and from there into the part of the structure. The second partial body is designed essentially frustoconical, the truncated cone extending, tapering, away from the first partial body. In the area of the outer generated surface of the second partial body there is a circumferential constriction. Achieved thereby, on the one hand, is the provision of an annular surface, formed by the circumferential constriction, to convey the prestressing forces to the part of the structure, in addition to the smaller face turned away from the first partial body. The specific compressive stress on the concrete of the part of the structure is thereby decreased. Thanks to this particular construction and given shape, the inventive force transfer body can be realized more easily, compared to bearing plates, poured anchor bodies or prior art anchor bodies.

REFERENCES:
patent: 2371882 (1945-03-01), Freyssinet
patent: 2609586 (1952-09-01), Parry
patent: 3412511 (1968-11-01), Dietrich
patent: 3447784 (1969-06-01), Launay
patent: 4449855 (1984-05-01), Langwadt

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