Prestress/Post-Tensioning Strand Systems

Avar Construction Systems, Incorporated

ACS 34.5

Last edit date: 3/20/2024

GENERAL

Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
34 1/2" 1404.2 3500 1054

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
9" Square x 4" C1040-1045 H.R. Normalized1/14/1991
Wedge hole angle:
Wedge hole diameter: 1.035"
Strand hole diameter: 0.63"

BEARING PLATES

Bearing Plates Size Material Authorization Date
18" Square x 2 1/2" ASTM A-364/19/1985
15" Square x 15" ASTM A-536 Gr 80-55-061/14/1991
Bearing hole diameter: 7 5/8"
Spiral size and turns: #4-9 turns

TRUMPETS

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

DUCTS

Ducts Size Material Authorization Date
4" I.D. 24 Gage4/19/1985

SPIRAL

FRO CAST BEARING PLATE: #4 SPIRAL, 17 OD., 9 TURNS AT 2,5" PITCH, TIE FIRST 2 TURNS