Prestress/Post-Tensioning Strand Systems

Contech

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" AISI 12L14 Rc 59-653 7° 10' ± 10' 0.620" x 4°

ANCHOR HEADS

Anchor Heads Size Material Authorization Date
5 1/8" Ø x 2 3/8" Ductile Iron ASTM A-536-80-55-0611/7/1989
Wedge hole angle:
Wedge hole diameter: 1.250"
Strand hole diameter: 0.62"

BEARING PLATES

Bearing Plates Size Material Authorization Date
8 1/2" Square x 1 1/2" Steel AAHSTO MI83 C.T.S.11/7/1989
Bearing hole diameter:
Spiral size and turns: none

TRUMPETS

Trumpets Size Material Authorization Date
ASTM A-3610/23/1989

DUCTS

Ducts Size Material Authorization Date
There are no duct components for this system at this time

SPIRAL

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