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Prestress/Post-Tensioning Strand Systems
DYWIDAG-Systems International
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" - 1.654" |
AISI C12L14 Rc 58-67 | 3 |
7° 10' ± 5' |
|
1.875" - 1.654" |
AISI 12L14 | 3 |
7° 10' ± 5' |
|
1.875" - 1.654" |
AISI 11L17 | 3 |
7° 10' ± 5' |
|
ANCHOR HEADS |
Anchor Heads Size |
Material |
Authorization Date |
4" Square x 2" |
C1045 | 9/12/1979 |
4 1/2" Ø x 2" |
AISI 1045-1050 | 10/28/1992 |
Wedge hole angle: 7° Wedge hole diameter: 1.160"-1.122" Strand hole diameter: 0.71"-0.669" |
BEARING PLATES |
Bearing Plates Size |
Material |
Authorization Date |
7 3/8" Square x 1 1/8" |
ASTM A-36 | 9/12/1979 |
Bearing hole diameter: 3 1/4" Spiral size and turns: none
|
TRUMPETS |
Trumpets Size |
Material |
Authorization Date |
8" |
22 Gage | 9/12/1979 |
DUCTS |
Ducts Size |
Material |
Authorization Date |
2" I.D. |
| 9/12/1979 |