Anchoring system for prestressed concrete pipe

Details Anchoring system for prestressed concrete pipe Anchoring system for prestressed concrete pipe

1977-04-27

1978-09-19

Bell, J. Karl

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

138176, F16L 900

Patent

active

041143329

ABSTRACT:
Multilayers of high tensile strength wire are wound in tension around a tubular concrete core, and anchored to place the pipe in radial compression. The first layer of wire wrapped around the pipe is secured at its opposite end by a first anchoring system, and is coated with mortar. Each successive layer of wire wrapped around the pipe is secured to its opposite ends by respective separate anchors, and is covered by a respective coating of mortar. Each anchoring system after the first includes an insert block in an embedment anchor for supporting a separate anchor block for each layer of wire at a level different from that of the preceding layers of wire. Each insert block is contacted by the first wire to hold the insert blocks in place, and to provide electrical continuity for cathodic protection, when required.

REFERENCES:
patent: 2887130 (1959-05-01), Kell
patent: 3110503 (1963-11-01), Hubbard
patent: 3258033 (1966-06-01), Ohnstad
patent: 3275040 (1966-09-01), Hausmann et al.
patent: 3278128 (1966-10-01), Szulc
patent: 3338601 (1967-08-01), Osweiler
patent: 3504474 (1970-04-01), Dykmans
patent: 3521644 (1970-07-01), Lamborn
patent: 3642033 (1972-02-01), Bald

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