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Prestress/Post-Tensioning Strand Systems
Schwager Davis Incorporated
SDI C37.6-8
Last edit date: 3/20/2024
GENERAL |
| Bar or Tendon Size |
Strand Diamter |
Ultimate (kips) |
Concrete Strength(psi) |
PJack (kips) |
| 37 |
0.6" |
2168 |
3500 |
1626 |
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 |
|---|
|
Machined Head | |
|
AISI C1045 H.R. Normalized | 11/7/2002 |
Wedge hole angle: 6° 55' Wedge hole diameter: 1 3/16" Strand hole diameter: 11/16" |
BEARING PLATES |
| Bearing Plates Size |
Material |
Authorization Date |
|---|
| 20" Ø. x 3" |
A536 GR. 80-55-06 | 11/7/2002 |
Bearing hole diameter: 9 1/8" Spiral size and turns: #5-5.2 turns |
TRUMPETS |
| Trumpets Size |
Material |
Authorization Date |
|---|
| 23" long 9 5/16" O.D. 5 13/16" I.D. |
HDPE | |
DUCTS |
| Ducts Size |
Material |
Authorization Date |
|---|
| 5?" O.D. |
galvanized spiro | |
SPIRAL |
| #5 spiro @ 22" 5.2 turn @ 4" pitch |
