Prestress/Post-Tensioning Strand Systems

DYWIDAG-Systems International

4-0.6

Last edit date: 3/20/2024

GENERAL

Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
4 0.6" 234.4 3500 176

WEDGES

Wedges Length Material Wedge Parts Wedge Angle Wedge Inside Diameter
1.875" - 1.654" AISI C12L14 Rc 58-673 7° 10' ± 5'
1.875" - 1.654" AISI 12L143 7° 10' ± 5'
1.875" - 1.654" AISI 11L173 7° 10' ± 5'

ANCHOR HEADS

Anchor Heads Size Material Authorization Date
4" Square x 2" C10459/12/1979
4 1/2" Ø x 2" AISI 1045-105010/28/1992
Wedge hole angle:
Wedge hole diameter: 1.160"-1.122"
Strand hole diameter: 0.71"-0.669"

BEARING PLATES

Bearing Plates Size Material Authorization Date
7 3/8" Square x 1 1/8" ASTM A-369/12/1979
Bearing hole diameter: 3 1/4"
Spiral size and turns: none

TRUMPETS

Trumpets Size Material Authorization Date
8" 22 Gage9/12/1979

DUCTS

Ducts Size Material Authorization Date
2" I.D. 9/12/1979

SPIRAL

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