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Prestress/Post-Tensioning Strand Systems

DYWIDAG-Systems International

6-0.6"

Last edit date: 3/20/2024

GENERAL
Bar or Tendon Size Strand Diamter Ultimate (kips) Concrete Strength(psi) PJack (kips)
6 0.6" 351.6 3500 264

WEDGES
Wedges Length Material Wedge Parts Wedge Angle Wedge Inside DiameterBABA Act Information*
1.875" - 1.654" AISI C12L14 Rc 58-673 7° 10' ± 5 - 7° 30' 0.56"Unconfirmed
1.875" - 1.654" AISI 12L143 7° 10' ± 5 - 7° 30' 0.56"Unconfirmed
1.875" - 1.654" AISI 11L173 7° 10' ± 5 - 7° 30' 0.56"Unconfirmed

ANCHOR HEADS
Anchor Heads Size Material Authorization DateBABA Act Information*
6" Square x 2 1/2" AISI C1045-C105012/4/1984Unconfirmed
5 3/4" Ø x 2 1/2" AISI C1045-C10509/3/1992Unconfirmed
Wedge hole angle: 7°
Wedge hole diameter: 1.160"-1.122"
Strand hole diameter: 0.71"-0.669"

BEARING PLATES
Bearing Plates Size Material Authorization DateBABA Act Information*
9 1/16" Square x 1" ASTM A-3612/4/1984Unconfirmed
8" x 10 1/4" x 1 3/8" ASTM A-3612/4/1984Unconfirmed
7" x 11 3/4" x 1 7/8" ASTM A-3612/4/1984Unconfirmed
12" Square x 1 3/8" ASTM A-3612/4/1984Unconfirmed
Bearing hole diameter: 4 1/4"
Spiral size and turns: none

TRUMPETS
Trumpets Size Material Authorization DateBABA Act Information*
There are no trumpet components for this system at this time

DUCTS
Ducts Size Material Authorization DateBABA Act Information*
There are no duct components for this system at this time

SPIRAL
-

Caltrans contact: Jim Ma, Concrete Committee Chair, jim.ma@dot.ca.gov

*As attested to by the supplier as of April 14, 2026 per definition in 2 CFR 184 and 23 CFR 635.410. Stakeholders should use this information in conjunction with corresponding Caltrans special provision section 6-1.04 to understand applicable requirement for the project.

The California Department of Transportation (Caltrans) is implementing statutory changes required by the Bipartisan Infrastructure Law -Build America, Buy America Act (BABA), as outlined in 2 CFR 184 and 23 CFR 635.410.

https://www.fhwa.dot.gov/construction/cqit/buyam.cfm