Prestressing Strand: 250_0.250_7wire to 250_0.500_7wire
Prestressing strand properties for post-tensioned and pretensioned concrete design per ASTM A416 and PCI Design Handbook
| strand id | Ep MPa (MPa) | Ep ksi (ksi) | area in2 (in2) | area mm2 (mm2) | coating | diameter in (in) | diameter mm (mm) | fpu MPa (MPa) | fpu ksi (ksi) | fpy MPa (MPa) | fpy ksi (ksi) | grade | min breaking strength kN (kN) | min breaking strength kips (kips) | strand type | weight kg m (kg/m) | weight plf (lb/ft) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 250_0.250_7wire | 196,500 | 28,500 | 0.036 | 23.2 | uncoated | 0.25 | 6.35 | 1,725 | 250 | 1,551 | 225 | 250 | 40 | 9 | 7-wire low-relaxation | 0.179 | 0.12 |
| 250_0.313_7wire | 196,500 | 28,500 | 0.058 | 37.4 | uncoated | 0.3125 | 7.94 | 1,725 | 250 | 1,551 | 225 | 250 | 64.5 | 14.5 | 7-wire low-relaxation | 0.298 | 0.2 |
| 250_0.375_7wire | 196,500 | 28,500 | 0.08 | 51.6 | uncoated | 0.375 | 9.53 | 1,725 | 250 | 1,551 | 225 | 250 | 89 | 20 | 7-wire low-relaxation | 0.402 | 0.27 |
| 250_0.438_7wire | 196,500 | 28,500 | 0.108 | 69.7 | uncoated | 0.4375 | 11.11 | 1,725 | 250 | 1,551 | 225 | 250 | 120.1 | 27 | 7-wire low-relaxation | 0.55 | 0.37 |
| 250_0.500_7wire | 196,500 | 28,500 | 0.144 | 92.9 | uncoated | 0.5 | 12.7 | 1,725 | 250 | 1,551 | 225 | 250 | 160.1 | 36 | 7-wire low-relaxation | 0.729 | 0.49 |
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