Prestress/Post-Tensioning Strand Systems

Lang

7-0.6(Approved for 6 strand)

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 N/A 263.7

WEDGES

Wedges Length Material Wedge Parts Wedge Angle Wedge Inside DiameterBABA Act Information*
1.595" AISI 12L14 7° 10' Unconfirmed

ANCHOR HEADS

Anchor Heads Size Material Authorization DateBABA Act Information*
5.40" Ø x 3.150" ASTM A536 80-55-066/6/1986Unconfirmed
Wedge hole angle:
Wedge hole diameter:
Strand hole diameter:

BEARING PLATES

Bearing Plates Size Material Authorization DateBABA Act Information*
7" Square x 1 3/4" ASTM A-366/6/1986Unconfirmed
12" x 13" x 2" ASTM A-366/6/1986Unconfirmed
Bearing hole diameter: 4.0"
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