Steel materials for use with prestressed concrete

Details Steel materials for use with prestressed concrete Steel materials for use with prestressed concrete

1984-12-14

1987-02-17

Thibodeau, Paul J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

52230, 52722, 52735, 4283124, 428332, 428375, 428379, 428383, 428461, B32B 1302, E04C 310, E04C 334, E04C 508

Patent

active

046439293

ABSTRACT:
Prestressing steel materials are disclosed for use with concrete that is prestressed by posttensioning, said steel material being unbonded from the concrete. The steel materials are composed of steel members sheathed with a heat-shrinkable synthetic resin tube. Preferably, the wall thickness of the resin tube is at least 300 microns. In the case of a steel strand composed of a plurality of twisted steel wires, spiral grooves of the strand are filled with a resin and then the strand and resin are sheathed with a heat-shrinkable synthetic resin tube.

REFERENCES:
patent: 2821155 (1958-01-01), Seckel
patent: 3404526 (1968-10-01), Thomas
patent: 3579931 (1971-05-01), Lang
patent: 3922437 (1975-11-01), Kitta et al.
patent: 4133935 (1979-01-01), Dawson
patent: 4181775 (1980-01-01), Corke
patent: 4521470 (1985-06-01), Overbergh et al.

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