- Home
- Programs
- Engineering Services (DES)
- Authorized Materials Lists (AML)
- Prestress/Post-Tensioning Strand Systems
Prestress/Post-Tensioning Strand Systems
Contech
4-0.6
Last edit date: 3/20/2024
GENERAL |
Bar or Tendon Size |
Strand Diamter |
Ultimate (kips) |
Concrete Strength(psi) |
PJack (kips) |
4 |
0.6" |
234.4 |
3500 |
176 |
WEDGES |
Wedges Length |
Material |
Wedge Parts |
Wedge Angle |
Wedge Inside Diameter |
1.875" |
AISI 12L14 Rc 59-65 | 3 |
7° 10' ± 10' |
0.620" x 4° |
ANCHOR HEADS |
Anchor Heads Size |
Material |
Authorization Date |
5 1/8" Ø x 2 3/8" |
Ductile Iron ASTM A-536-80-55-06 | 11/7/1989 |
Wedge hole angle: 7° Wedge hole diameter: 1.250" Strand hole diameter: 0.62" |
BEARING PLATES |
Bearing Plates Size |
Material |
Authorization Date |
8 1/2" Square x 1 1/2" |
Steel AAHSTO MI83 C.T.S. | 11/7/1989 |
Bearing hole diameter: Spiral size and turns: none
|
TRUMPETS |
Trumpets Size |
Material |
Authorization Date |
|
ASTM A-36 | 10/23/1989 |
DUCTS |
Ducts Size |
Material |
Authorization Date |
There are no duct components for this system at this time |