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Prestress/Post-Tensioning Strand Systems
Schwager Davis Incorporated
SDI 27.6
Last edit date: 3/20/2024
GENERAL |
| Bar or Tendon Size |
Strand Diamter |
Ultimate (kips) |
Concrete Strength(psi) |
PJack (kips) |
| 27 |
0.6" |
1582 |
3500 |
1187 |
WEDGES |
| Wedges Length |
Material |
Wedge Parts |
Wedge Angle |
Wedge Inside Diameter |
|---|
| 1-3/4" |
| 2 |
7° |
0.62" |
ANCHOR HEADS |
| Anchor Heads Size |
Material |
Authorization Date |
|---|
| 9 3/4" (bearing end) x 4" w/step |
A536 GR. 80-55-06 | 11/15/2007 |
Wedge hole angle: Wedge hole diameter: 1-3/16" Strand hole diameter: 15/16" |
BEARING PLATES |
| Bearing Plates Size |
Material |
Authorization Date |
|---|
| 17" Ø. x 3 1/4" |
A536 GR. 80-55-06 | 11/15/2007 |
Bearing hole diameter: 7 5/8" Spiral size and turns: |
TRUMPETS |
| Trumpets Size |
Material |
Authorization Date |
|---|
| 1'-6.5" |
HDPE | |
DUCTS |
| Ducts Size |
Material |
Authorization Date |
|---|
| 4.75" O.D. |
galvanized spiro | |
SPIRAL |
| #5 spiral @ 18" OD, 4.2 turns @ 4" pitch |
