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Prestress/Post-Tensioning Strand Systems
Schwager Davis Incorporated
SDI C4.6
Last edit date: 3/20/2024
GENERAL |
| Bar or Tendon Size |
Strand Diamter |
Ultimate (kips) |
Concrete Strength(psi) |
PJack (kips) |
| 4 |
0.6" |
234 |
3500 |
176 |
WEDGES |
| Wedges Length |
Material |
Wedge Parts |
Wedge Angle |
Wedge Inside Diameter |
|---|
| 1.80" |
| 2 |
7° |
0.62" |
ANCHOR HEADS |
| Anchor Heads Size |
Material |
Authorization Date |
|---|
| 5 3/4" x 2 1/8" |
A536 GR. 80-55-06 | 9/19/2007 |
Wedge hole angle: 7° Wedge hole diameter: 1 1/8" Strand hole diameter: |
BEARING PLATES |
| Bearing Plates Size |
Material |
Authorization Date |
|---|
| none used |
| |
Bearing hole diameter: Spiral size and turns: none |
TRUMPETS |
| Trumpets Size |
Material |
Authorization Date |
|---|
| 13" x 3 1/4" transition |
HDPE plastic | 9/19/2007 |
| 8 7/16" x 2 11/16 |
HDPE plastic | 9/19/2007 |
DUCTS |
| Ducts Size |
Material |
Authorization Date |
|---|
| 2" I.D. |
Plastic | 9/19/2007 |
| 1" x 3" |
Galvanized spiro | 9/19/2007 |
