Features and specifications of the SPC pile used in the investigation
| Number | Description | Properties and specifications |
|---|---|---|
| 1 | Pile diameter, d0: mm | 450 |
| 2 | Pile wall thickness, t: mm | 110 |
| 3 | Pile length (segments): m | 42 (3 × 12 and 1 × 6) |
| 4 | Cement | Ordinary Portland cement |
| 5 | Concrete mix ratio | 1:1.25:2.5 |
| Fineness modulus of sand | 2.50 | |
| Max. size of aggregate: mm | 12 | |
| 6 | Material specification | Seven-wire prestressing strand |
| Strands: 9 mm dia. | 1860 MPa | |
| 7 | Spirals | 4 mm mild steel wire at 75 mm centre to centre |
| Number | Description | Properties and specifications |
|---|---|---|
| 1 | Pile diameter, | 450 |
| 2 | Pile wall thickness, | 110 |
| 3 | Pile length (segments): m | 42 (3 × 12 and 1 × 6) |
| 4 | Cement | Ordinary Portland cement |
| 5 | Concrete mix ratio | 1:1.25:2.5 |
| Fineness modulus of sand | 2.50 | |
| Max. size of aggregate: mm | 12 | |
| 6 | Material specification | Seven-wire prestressing strand |
| Strands: 9 mm dia. | 1860 MPa | |
| 7 | Spirals | 4 mm mild steel wire at 75 mm centre to centre |
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