Table 3 Measured values and improvement ratios of ultimate bearing capacity, total side resistance, and base resistance for individual piles.
Pile type | Ultimate bearing capacity /N | Tip resistance /N | Total side resistance /N | Improvement ratio of total side resistance % | Improvement ratio of base resistance /% |
|---|---|---|---|---|---|
Ungrouted pile | 1764 | 246 (13.95) | 1518 | – | – |
Geopolymer grouted pile | 3504 | 304 (8.68) | 3200 | 110.80 | 23.58 |
Fly ash–cement grouted pile | 4088 | 537 (13.14) | 3551 | 133.93 | 118.29 |
Cement grouted pile | 5840 | 323 (5.53) | 5517 | 263.44 | 31.30 |
Cement-sodium silicate grouted pile | 8760 | 570 (6.51) | 8190 | 439.58 | 131.71 |