- Home
- Programs
- Engineering Services (DES)
- Authorized Materials Lists (AML)
- Prestress/Post-Tensioning Strand Systems
Prestress/Post-Tensioning Strand Systems
DYWIDAG-Systems International
27-0.5 MA
Last edit date: 3/20/2024
GENERAL |
| Bar or Tendon Size |
Strand Diamter |
Ultimate (kips) |
Concrete Strength(psi) |
PJack (kips) |
| 27 |
1/2" |
1115.1 |
N/A |
836.3 |
WEDGES |
| Wedges Length |
Material |
Wedge Parts |
Wedge Angle |
Wedge Inside Diameter |
|---|
| 1.575" |
AISI 12L14 | 3 |
7° 30' ± 10' |
|
| 1.575" |
AISI 11L17 | 3 |
7° 30' ± 10' |
|
ANCHOR HEADS |
| Anchor Heads Size |
Material |
Authorization Date |
|---|
| 7.874" Ø x 3.425" |
ASTM A521-76 (Forged) | 9/3/1997 |
Wedge hole angle: 7° Wedge hole diameter: 0.984" Strand hole diameter: 0.551" |
BEARING PLATES |
| Bearing Plates Size |
Material |
Authorization Date |
|---|
| 11.024" Ø x 8.66" (MPA) |
ASTM-A536 Gr 65-45-12 | 1/21/1988 |
Bearing hole diameter: 6.378" Spiral size and turns: #5-7 turns |
TRUMPETS |
| Trumpets Size |
Material |
Authorization Date |
|---|
| 17.764" |
ASTM D4976 - Hard P.E. | |
DUCTS |
| Ducts Size |
Material |
Authorization Date |
|---|
| 3.900" O.D. |
| |
SPIRAL |
| ASTM A615 Gr 60 # 5 rebar ,1.875" pitch. 14.500 OD, 7 full turn. |
