Prestress/Post-Tensioning Strand Systems

VSL

CS/EC5-31

Last edit date: 3/20/2024

GENERAL

Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
31 1/2" 1280.3 N/A 960.2

WEDGES

Wedges Length Material Wedge Parts Wedge Angle Wedge Inside Diameter
1.47" AISI 11L17 7° 10 '± 5'

ANCHOR HEADS

Anchor Heads Size Material Authorization Date
9.00" Ø x 4.00" ASTM A536 Gr 80-55-061/3/1996
Wedge hole angle:
Wedge hole diameter: 1.035"
Strand hole diameter: 0.63"

BEARING PLATES

Bearing Plates Size Material Authorization Date
Total with concrete 3.94"
12.60" Ø x2.05"(Metal) ASTM -A536 Gr 80-55-061/3/1996
Bearing hole diameter: 6.89"
Spiral size and turns: #5-7 turns

TRUMPETS

Trumpets Size Material Authorization Date
22.44" P. E3/28/1994

DUCTS

Ducts Size Material Authorization Date
4 1/8" O.D. 3/28/1994

SPIRAL

#5- 18"O.D. 2" Pitch, 7 turn, Gr 60 for CS5-31