Prestress/Post-Tensioning Strand Systems

Stresstek

S19.5

Last edit date: 3/20/2024

GENERAL

Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
16 1/2" 660.8 N/A 496

WEDGES

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

ANCHOR HEADS

Anchor Heads Size Material Authorization Date
6.80" Ø x 3.18" AISI C1050, 4140/422/9/1971
Wedge hole angle:
Wedge hole diameter: 0.970"
Strand hole diameter: 0.570"

BEARING PLATES

Bearing Plates Size Material Authorization Date
12 1/2" Square x 2" ASTM A-363/21/1985
Bearing hole diameter: 5.3"
Spiral size and turns: none

TRUMPETS

Trumpets Size Material Authorization Date
20" 16 Gage2/9/1971
20" 12 Gage8/8/1973

DUCTS

Ducts Size Material Authorization Date
3 1/4" O.D. 2/9/1971

SPIRAL

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