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Prestress/Post-Tensioning Strand Systems
Stresstek
S13.5
Last edit date: 3/20/2024
GENERAL |
Bar or Tendon Size |
Strand Diamter |
Ultimate (kips) |
Concrete Strength(psi) |
PJack (kips) |
13 |
1/2" |
536.9 |
N/A |
403 |
WEDGES |
Wedges Length |
Material |
Wedge Parts |
Wedge Angle |
Wedge Inside Diameter |
1.850" |
AISI 86L20 Rc 59-62 | |
7° 10' |
|
1.850" |
AISI C11L17 Rc 59-62 | |
7° 10' |
|
ANCHOR HEADS |
Anchor Heads Size |
Material |
Authorization Date |
6" Ø x 2.61" |
AISI C1050, 4140/42 | 11/2/1970 |
Wedge hole angle: 7° Wedge hole diameter: 0.970" Strand hole diameter: 0.570" |
BEARING PLATES |
Bearing Plates Size |
Material |
Authorization Date |
11 1/2" Square x 1 1/2" |
ASTM A-36 | 11/2/1970 |
11 1/4" Square x 1 1/4" |
ASTM A-36 42 KSI (Min yield ) | 6/12/1974 |
Bearing hole diameter: 4.42" Spiral size and turns: none
|
TRUMPETS |
Trumpets Size |
Material |
Authorization Date |
16" |
14 Gage | |
16" |
16 Gage | 11/2/1970 |
DUCTS |
Ducts Size |
Material |
Authorization Date |
2 5/8" O.D. |
| 11/2/1970 |