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Prestress/Post-Tensioning Strand Systems

Stresstek

S19.5

Last edit date: 3/20/2024

GENERAL
Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
19 1/2" 784.7 N/A 589

WEDGES
Wedges Length Material Wedge Parts Wedge Angle Wedge Inside Diameter
1.850" AISI 86L20 Rc 59-62 7° 10'
1.850" AISI C11L17 Rc 59-62 7° 10'

ANCHOR HEADS
Anchor Heads Size Material Authorization Date
6.80" Ø x 3.18" AISI C1050, 4140/422/9/1971
Wedge hole angle: 7°
Wedge hole diameter: 0.970"
Strand hole diameter: 0.570"

BEARING PLATES
Bearing Plates Size Material Authorization Date
14" Square x 2" ASTM A-362/9/1971
12" x 16 3/8" x 2", 1"x 2" x 14" Ribs ASTM A-368/8/1973
13" x 15" x 2" ASTM A-36 42 KSI (Min yield )5/28/1974
Bearing hole diameter: 5.30"
Spiral size and turns: none

TRUMPETS
Trumpets Size Material Authorization Date
20" 16 Gage2/9/1971
20' 12 Gage8/8/1973

DUCTS
Ducts Size Material Authorization Date
3 1/4" O.D. 2/9/1971

SPIRAL
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