Prestress/Post-Tensioning Strand Systems

Avar Construction Systems, Incorporated

ACS 12.5

Last edit date: 3/20/2024

GENERAL

Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
12 1/2" 495.6 3500 372

WEDGES

Wedges Length Material Wedge Parts Wedge Angle Wedge Inside Diameter
1.46" AISI 11L17 Rc 59-63 7° 10'

ANCHOR HEADS

Anchor Heads Size Material Authorization Date
6" Ø x 2 3/8" C1045 H.R. Normalized1/16/1986
Wedge hole angle:
Wedge hole diameter: 1.035"
Strand hole diameter: 0.63"

BEARING PLATES

Bearing Plates Size Material Authorization Date
10 3/4" Square x 1 1/2" ASTM A-361/16/1986
Bearing hole diameter: 4 1/8"
Spiral size and turns: none

TRUMPETS

Trumpets Size Material Authorization Date
12" 24 Gage Galvanized1/16/1986
12" POLYETHYLENE 0.06"1/16/1986

DUCTS

Ducts Size Material Authorization Date
2 5/8" I.D. 26 Gage1/16/1986

SPIRAL

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