Square prestressed concrete piles are products for the civil, industrial, irrigation and transportation sectors. It is one of the most effective and economical structural solutions compared to square concrete piles.
Table of bearing capacity of pile see detail ...
| Pile width (mm) | Pile Length (m) | Tendon | Spiral diameter (mm) | Class | 22 TCN 272-05 | Strength moment (kN.m) | Maximum allowable driving for compression load (kN) | Maximum allowable driving for tension load (kN) | Allowable axial service compressive capacity (kN) | Strength shear (with factors) (kN) |
Steel join box | Steel L - shape | Thickness of flange (mm) | Steel box in pile head | Reinforcement bar in steel box | Reinforcement in pile head | Reinforecement in pile tip | Reinforcement in pile head for middle segments | ||||||
| Bars number | Diameter (mm) | Effective compressive stress (MPa) | Cracking moment (kN.m) | Length (mm) |
Thickness (mm) |
Number | Length (mm) | Thickness(mm) | Length (mm) | Thickness (mm) | Diameter | |||||||||||||
| 350 | 16 | 4 | 15.24 | 5.6 | A+ | 5.293 | 70.51 | 139.06 | 2,538 | 659.0 | 1,834 | 271.26 | 1056 | 6 | 8 | 50 | 8 | 6 | 120 | 6 | 12 | 4Ø20(3200)+4Ø18(2700) | 4Ø20(2500) | 4Ø20(2500) |
| 8 | 15.24 | 5.6 | B | 9.544 | 102.88 | 225.17 | 2,262 | 1,215 | 1,694 | 248.51 | 1056 | 6 | 8 | 50 | 8 | 6 | 120 | 6 | 12 | 4Ø25(3400)+4Ø25(2900) | 4Ø20(2500) | 4Ø20((2500) | ||
| 400 | 19 | 8 | 12.7 | 5.6 | A+ | 5.686 | 109.83 | 222.13 | 3,746 | 927.6 | 2,382 | 338.83 | 1208 | 8 | 8 | 50 | 9 | 8 | 150 | 8 | 14 | 4Ø22(3300)+4Ø22(2800) | 4Ø22(2500) | 4Ø22(2500) |
| 12 | 12.7 | 5.6 | B | 8.064 | 137.00 | 295.09 | 3,504 | 1,332 | 2,280 | 321.96 | 1208 | 8 | 8 | 50 | 9 | 8 | 150 | 8 | 14 | 4Ø22(3300)+8Ø22(2800) | 4Ø22(2500) | 4Ø22(2500) | ||
| 450 | 19 | 8 | 15.2 | 5.6 | A+ | 6.251 | 166.42 | 345.50 | 4,750 | 1,296 | 2,988 | 410.23 | 1360 | 10 | 8 | 50 | 12 | 10 | 150 | 10 | 16 | 4Ø28(3500)+4Ø25(3000) | 4Ø22(2500) | 4Ø22(2500) |
| 16 | 12.7 | 5.6 | B | 8.413 | 202.12 | 450.44 | 4,467 | 1,763 | 2,870 | 392.77 | 1360 | 10 | 8 | 50 | 12 | 10 | 150 | 10 | 16 | 4Ø28(3500)+8Ø22(3000) | 4Ø22(2500) | 4Ø22(2500) | ||
Note:
- Concrete with f'c = 50 MPa
- Piles are calculated and designed under standard 22TCN 272-05, AASHTO LRFD
- Maximum allowable driving for compresion, tension (normal enviroments) load calculated under Article 10.7.1.16 - AASHTO LRFD 1998
- Allowable axial service compressive capacity calculated under Article 2.3.3 - ACI 543R-00