Prestress/Post-Tensioning Strand Systems

DYWIDAG-Systems International

37-0.6 (MPA)

Last edit date: 3/20/2024

GENERAL

Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
37 0.6" 2168.2 N/A 1626.2

WEDGES

Wedges Length Material Wedge Parts Wedge Angle Wedge Inside Diameter
1.654" AISI C12L14 3 7° 30' ± 10' 0.560"
1.654" AISI 11L173 7° 30' ± 10' 0.560"

ANCHOR HEADS

Anchor Heads Size Material Authorization Date
10.774" Ø x 5.315" ASTM A-521-76(Forged)2/27/1995
Wedge hole angle: 7° ± 10'
Wedge hole diameter: 1.142"
Strand hole diameter: 0.669"

BEARING PLATES

Bearing Plates Size Material Authorization Date
15.354" Square x 13.780" ASTM A536 Gr 60-42-102/27/1995
24.5" Square x 4" A36 Steel Plate4/6/1995
Bearing hole diameter: 8.465"
Spiral size and turns: #6-8 turns

TRUMPETS

Trumpets Size Material Authorization Date
24.608" ASTM D4976 - H.D.P.E2/27/1995

DUCTS

Ducts Size Material Authorization Date
U.S std Gauge 26(Galv Corrugated )2/27/1995

SPIRAL

ASTM-A 615 Grad 60 #6 @ 2.625 pitch 20" O.D. 8 full turn