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Prestress/Post-Tensioning Strand Systems
DYWIDAG-Systems International
9-0.6
Last edit date: 3/20/2024
GENERAL |
Bar or Tendon Size |
Strand Diamter |
Ultimate (kips) |
Concrete Strength(psi) |
PJack (kips) |
9 |
0.6" |
527.4 |
3500 |
396 |
WEDGES |
Wedges Length |
Material |
Wedge Parts |
Wedge Angle |
Wedge Inside Diameter |
1.654" |
AISI C12L14 Rc 58-67 | |
7° 30' ± 10' |
0.56" ± 0.003" |
1.654" |
AISI 11L17 | |
7° 30' ± 10' |
0.56" ± 0.003" |
ANCHOR HEADS |
Anchor Heads Size |
Material |
Authorization Date |
7" Ø x 2 3/8" |
AISI C1045-C1050 | 4/21/1986 |
5.750" Ø x 2.441" |
AISI C 1045 (Hot roll) | 3/27/1991 |
5.512" Ø x 2.165" |
ASTM A-521-76 (Forged) | 9/17/1991 |
Wedge hole angle: 7° Wedge hole diameter: 1.102"-1.122" Strand hole diameter: 0.669" |
BEARING PLATES |
Bearing Plates Size |
Material |
Authorization Date |
11 1/8"Square x 1 5/8" |
ASTM A-36 | 3/16/1979 |
11 1/8" Square x 1 1/2" |
ASTM A-36 | 1/18/1991 |
7.480 Ø x 4.921 (MPA) |
ASTM A-536 Gr 65-45-12 | 9/5/1991 |
Bearing hole diameter: 4.449" Spiral size and turns: none
|
TRUMPETS |
Trumpets Size |
Material |
Authorization Date |
19" |
ASTM D1248 ABS 0.10" | 2/20/1981 |
17" |
ASTM D1248 - Polyethylene 0.08" | 5/8/1984 |
25" |
ASTM D1248 - Polyethylene 0.08" | 5/8/1984 |
13.980" |
ASTM D4976 - Hard Polyethylene | 9/5/1991 |
DUCTS |
Ducts Size |
Material |
Authorization Date |
2 7/8" O.D. |
26 Gage | 3/16/1979 |