Electrically isolated reinforcing tendon assembly and method

Details Electrically isolated reinforcing tendon assembly and method Electrically isolated reinforcing tendon assembly and method

1980-09-25

1982-09-14

Bell, J. Karl

Static structures (e.g., buildings)

Irreversibly reactive component

52223L, E04C 310, E04C 508

Patent

active

043488447

ABSTRACT:
A reinforcing tendon assembly for use in a concrete structure is disclosed which includes a pair of tendon anchorages, an elongated reinforcing tendon extending between and anchored by the anchorages and an electrically insulating conduit mounted on the tendon and extending between the anchorages. The improvement in the assembly is comprised of electrically insulating anchorage envelopes mounted at each of the anchorages in sealed relation to the conduit. The envelopes extend around the anchorages and isolate the tendon assembly from the concrete structure. Several isolating envelope constructions are disclosed, which include collars that encircle the tendon and are sealed to the tendon conduit and anchorage surrounding portions which extend from the bearing surface side around the outwardly facing side of the anchorage. A method for forming an electrically insolated tendon assembly is also disclosed.

REFERENCES:
patent: 2930642 (1960-03-01), Howlett
patent: 3212222 (1965-10-01), Wittfoht
patent: 3293811 (1966-12-01), Rice
patent: 3343808 (1967-09-01), Howlett
patent: 3449876 (1969-06-01), Howlett
patent: 3520032 (1970-07-01), Howlett
patent: 3605361 (1971-09-01), Howlett
patent: 3646748 (1972-03-01), Lang
patent: 3935685 (1976-02-01), Howlett
patent: 3967421 (1976-07-01), Dufossez
patent: 4235055 (1980-11-01), Schambeck

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