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Prestress/Post-Tensioning Strand Systems
Schwager Davis Incorporated
SDI 4.6A (Standard)
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 |
N/A |
WEDGES |
| Wedges Length |
Material |
Wedge Parts |
Wedge Angle |
Wedge Inside Diameter |
|---|
| 1.81" |
AISI 12L14 | 2 |
7° 5' |
|
| 1.81" |
AISI 11L17 | 2 |
7° 5' |
|
ANCHOR HEADS |
| Anchor Heads Size |
Material |
Authorization Date |
|---|
| 4.1325" x 8" x 2.125" |
A536 Gr.80-55-06 | 6/1/2012 |
Wedge hole angle: Wedge hole diameter: O.D. 1.125" Strand hole diameter: |
BEARING PLATES |
| Bearing Plates Size |
Material |
Authorization Date |
|---|
| 3.9375" x 3.25" x 2.625" |
SDI 4.6A-PC Permanent Grout Cap (Nylon 6, | 6/1/2012 |
Bearing hole diameter: Spiral size and turns: none |
TRUMPETS |
| Trumpets Size |
Material |
Authorization Date |
|---|
| 8.9375" |
SDI 4.6A Trumpet (HDPE) | 6/1/2012 |
DUCTS |
| Ducts Size |
Material |
Authorization Date |
|---|
| 1" x 3" oval |
metal | |
SPIRAL |
| NOTES: Local zone reinforcement: 2 pairs of #3 stirrups (4 total) |
