SINGLE-STRAND ANCHOR Russian patent published in 1998 - IPC

Abstract RU 2122089 C1

FIELD: manufacture of construction structures and ware, manufacture of prestressed reinforced concrete articles. SUBSTANCE: single- strand anchor includes yoke to position strand fixtures and fixing member located concentrically in space of yoke and contacting its internal surface. Fixing member is fabricated in the form of coil cylindrical spring having hardness exceeding by 1.0- 5.0% at least hardness of strand fixtures. It is formed from rod having cylindrical or faceted shape with acute angles that is so twisted that its longitudinal rib contacts after second turn correspondingly strand fixtures or yoke. Implantation of ribs both in yoke and in strand fixtures forms reliable joint. EFFECT: simplified design of anchor, decreased usage of metal and labor input. 3 dwg

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RU 2 122 089 C1

Authors

Kurakin P.P.

Korotin V.N.

Chalenko V.V.

Rudomazin E.N.

Pustynnikov V.V.

Dudarev S.V.

Dates

1998-11-20—Published

1998-03-24—Filed