Prestress/Post-Tensioning Strand Systems

Stresstek

S4.5

Last edit date: 3/20/2024

GENERAL

Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
4 1/2" 165.2 N/A 124

WEDGES

Wedges Length Material Wedge Parts Wedge Angle Wedge Inside Diameter
1.85" AISI 86L20 Rc 59-62 7° 10'
1.85" AISI C11L17 Rc 59-62 7° 10'

ANCHOR HEADS

Anchor Heads Size Material Authorization Date
4 Ø x 2" 4140/42 Cold Finished4/2/1979
Wedge hole angle:
Wedge hole diameter: 0.970"
Strand hole diameter: 0.570"

BEARING PLATES

Bearing Plates Size Material Authorization Date
6 3/4" Square x 7/8" ASTM A-364/2/1979
Bearing hole diameter: 2 3/4"
Spiral size and turns: none

TRUMPETS

Trumpets Size Material Authorization Date
8" 0.065" Wall Tubing4/2/1979

DUCTS

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

SPIRAL

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