Prestress/Post-Tensioning Strand Systems

Avar Construction Systems, Incorporated

ACS 28.5

Last edit date: 3/20/2024

GENERAL

Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
28 1/2" 1156.4 3500 867.3

WEDGES

Wedges Length Material Wedge Parts Wedge Angle Wedge Inside Diameter
1.46" AISI 11L172 7° ± 10' 0.529"

ANCHOR HEADS

Anchor Heads Size Material Authorization Date
9" Square x 3 3/4" C 1040-1045 H.R. Plate3/26/1992
Wedge hole angle:
Wedge hole diameter: 1.035"
Strand hole diameter: 0.62"

BEARING PLATES

Bearing Plates Size Material Authorization Date
16 1/2" Square x 2 1/4" ASTM A363/26/1992
Bearing hole diameter: 7 5/8"
Spiral size and turns: none

TRUMPETS

Trumpets Size Material Authorization Date
21 3/4"

DUCTS

Ducts Size Material Authorization Date
4" O.D.

SPIRAL

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