Arrangement for interconnecting bundles of prestressing tendons

Details Arrangement for interconnecting bundles of prestressing tendons Arrangement for interconnecting bundles of prestressing tendons

1977-12-14

1980-03-11

Leppink, James A.

Static structures (e.g., buildings)

Irreversibly reactive component

52223L, E04C 310

Patent

active

041921143

ABSTRACT:
For use in prestressed concrete structures, an arrangement is provided for interconnecting serially arranged longitudinally extending bundles of prestressing tendons. Each bundle passes through a separate section of the structure with the sections being poured one after the other. The ends of a bundle extending through a first poured section are secured centrally within an anchorage member. The ends of the following bundle in the next section are secured to the same anchorage member in an annular part radially outwardly of the centrally secured ends of the first bundle. From the anchorage member, the tendons in the following bundle converge inwardly to a point spaced from the anchorage member where they are enclosed within a tubular sheathing in a normal close spacing. The end of the sheathing is trumpet shaped, diverging toward the anchorage member. The end of the trumpet shaped section closer to the anchorage member, is spaced from the anchorage member so that a longitudinally extending section of the tendons in the following bundle is directly enclosed by concrete when the second section of the structure is poured.

REFERENCES:
patent: 3307310 (1967-03-01), Kourkene
patent: 3427772 (1969-02-01), Williams
patent: 3803785 (1974-04-01), Finsterwalder

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