- Home
- Programs
- Engineering Services (DES)
- Authorized Materials Lists (AML)
- Prestress/Post-Tensioning Strand Systems
Prestress/Post-Tensioning Strand Systems
VSL
EC5-12
Last edit date: 3/20/2024
GENERAL |
| Bar or Tendon Size |
Strand Diamter |
Ultimate (kips) |
Concrete Strength(psi) |
PJack (kips) |
| 12 |
1/2" |
495.6 |
N/A |
372 |
WEDGES |
| Wedges Length |
Material |
Wedge Parts |
Wedge Angle |
Wedge Inside Diameter |
| 1.570" |
AISI 86L20 Rc 59-62 | |
7° |
|
ANCHOR HEADS |
| Anchor Heads Size |
Material |
Authorization Date |
| 6" Ø x 2.4" |
ASTM A536,Gr 80-55-06 | 6/22/1981 |
| 6" Ø x 2.562" |
ASTM A536,Gr 80-55-06 | 6/3/1988 |
Wedge hole angle: 7° Wedge hole diameter: 1.035" Strand hole diameter: 0.57" |
BEARING PLATES |
| Bearing Plates Size |
Material |
Authorization Date |
| 8.86" Square x 7.086" |
ASTM A536,Gr 80-55-06 | 12/18/1980 |
Bearing hole diameter: 4.33" Spiral size and turns: #4-6 turns
|
TRUMPETS |
| Trumpets Size |
Material |
Authorization Date |
| Integral |
ASTM A536,Gr 80-55-06 | |
DUCTS |
| Ducts Size |
Material |
Authorization Date |
| 3 1/8" O.D. |
22 Gage | |
SPIRAL |
| #4 @ 21/5" x 11" 0.D. dia - total 6 turns |