Prestress/Post-Tensioning Strand Systems

Stresstek

SCB13.5

Last edit date: 3/20/2024

GENERAL

Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
13 1/2" 536.9 N/A 403

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
6" Ø x 2.61" AISI C1050, 4140/423/10/1981
Wedge hole angle:
Wedge hole diameter: 0.970"
Strand hole diameter: 0.570"

BEARING PLATES

Bearing Plates Size Material Authorization Date
9" Square x 8.7" ASTM A536, Gr 80-55-063/10/1981
Bearing hole diameter: 4 1/2"
Spiral size and turns:

TRUMPETS

Trumpets Size Material Authorization Date
Integral ASTM A536, Gr 80-55-063/10/1981

DUCTS

Ducts Size Material Authorization Date
23/4" 3/10/1981

SPIRAL

-