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Prestress/Post-Tensioning Strand Systems

Avar Construction Systems, Incorporated

ACS 22.5

Last edit date: 3/20/2024

GENERAL
Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
22 1/2" 908.6 3500 682

WEDGES
Wedges Length Material Wedge Parts Wedge Angle Wedge Inside Diameter
1.46" AISI 11L17 Rc 59-63 7° 5'

ANCHOR HEADS
Anchor Heads Size Material Authorization Date
7" Square x 3 1/2" C1040 /45 H.R.Plate1/14/1991
Wedge hole angle: 7°
Wedge hole diameter: 1.035"
Strand hole diameter: 0.63"

BEARING PLATES
Bearing Plates Size Material Authorization Date
14 1/2" Square x 2" ASTM A-364/19/1985
12" Square x 12" ASTM A 536 Gr 80-55-061/14/1991
Bearing hole diameter: 6"
Spiral size and turns: #4-7 turns

TRUMPETS
Trumpets Size Material Authorization Date
18" 24 Gage Galvanized4/19/1985
18" Polyethylene 0.06"4/19/1985

DUCTS
Ducts Size Material Authorization Date
3 1/2" I.D. 26 Gage4/19/1985

SPIRAL
FOR CAST BEARING PLATE: #4 SPIRAL, 13" OD., 7 TURNS AT 2.5" PITCH, TIE FIRST TWO TURNS