- Home
- Programs
- Engineering Services (DES)
- Authorized Materials Lists (AML)
- Prestress/Post-Tensioning Strand Systems
Prestress/Post-Tensioning Strand Systems
DYWIDAG-Systems International
31-0.5
Last edit date: 3/20/2024
GENERAL |
| Bar or Tendon Size |
Strand Diamter |
Ultimate (kips) |
Concrete Strength(psi) |
PJack (kips) |
| 31 |
1/2" |
1280.3 |
N/A |
961 |
WEDGES |
| Wedges Length |
Material |
Wedge Parts |
Wedge Angle |
Wedge Inside Diameter |
|---|
| 1.375" |
AISI C12L14 CD Rc 58-67 | |
7° 10' ± 5' |
|
| 1.470" |
AISI C12L14 CD Rc 58-67 | |
7° 10' ± 5' |
|
ANCHOR HEADS |
| Anchor Heads Size |
Material |
Authorization Date |
|---|
| 10" Square x 3 1/2" |
AISI C1045-C1050 | 5/29/1985 |
| 10" Ø x 3 3/4" |
AISI C1045-C1050 | 5/29/1986 |
Wedge hole angle: 6.5° Wedge hole diameter: 0.92" Strand hole diameter: 0.59" |
BEARING PLATES |
| Bearing Plates Size |
Material |
Authorization Date |
|---|
| 17" Square x 2 1/4" |
ASTM A-36 | 7/5/1986 |
| 16 1/4" x 17 13/16" x 2 1/2" |
ASTM A-36 | 7/5/1986 |
| 15 9/16" x 18 9/16" x 2 3/4" |
ASTM A-36 | 7/5/1986 |
Bearing hole diameter: 7 1/4" Spiral size and turns: none |
TRUMPETS |
| Trumpets Size |
Material |
Authorization Date |
|---|
| 30" |
24 Gage | 5/29/1985 |
| 28" |
Polyethylene 0.10" | 5/29/1985 |
| 36" |
Polyethylene 0.10" | 5/29/1985 |
DUCTS |
| Ducts Size |
Material |
Authorization Date |
|---|
| 3 15/16" I.D. |
26 Gage | 5/29/1985 |
