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Prestress/Post-Tensioning Strand Systems
Schwager Davis Incorporated
C31.6-8-S
Last edit date: 3/20/2024
GENERAL |
| Bar or Tendon Size |
Strand Diamter |
Ultimate (kips) |
Concrete Strength(psi) |
PJack (kips) |
| 31 |
0.6" |
1817 |
6500 |
1362 |
WEDGES |
| Wedges Length |
Material |
Wedge Parts |
Wedge Angle |
Wedge Inside Diameter |
|---|
| 1.80" |
| 2 |
7° |
|
ANCHOR HEADS |
| Anchor Heads Size |
Material |
Authorization Date |
|---|
| 10.625 x 4.875 w/step |
A536 GR. 80-55-06 | 12/10/2004 |
Wedge hole angle: 6° 55' Wedge hole diameter: 1.16" Strand hole diameter: 11/16" |
BEARING PLATES |
| Bearing Plates Size |
Material |
Authorization Date |
|---|
| 18" x 3" Round |
A536 GR. 80-55-06 | 11/25/2002 |
Bearing hole diameter: 8.125" Spiral size and turns: #5-5.7 turns |
TRUMPETS |
| Trumpets Size |
Material |
Authorization Date |
|---|
| 8 5/16" x 18.5" |
HDPE | |
DUCTS |
| Ducts Size |
Material |
Authorization Date |
|---|
| 127 mm o.d. |
galvanized spiro | |
SPIRAL |
| #5 spiral @ 20" 5.7 turns @ 3" pitch |
