Table 4 Calculation of bearing capacity of CFST pillars with different length-diameter ratios.
Serial number | Test piece | External diameter /mm | Thickness/mm | Length/mm | Length diameter ratio | Axial compressive bearing capacity/kN | |
|---|---|---|---|---|---|---|---|
Experimental specimen | 1 | SCL-1 | 83 | 5 | 1200 | 14.46 | 397.23 |
2 | SCL-2 | 95 | 5 | 1200 | 12.63 | 512.16 | |
3 | SCL-3 | 108 | 5 | 1200 | 11.11 | 650.24 | |
4 | SCL-4 | 121 | 5 | 1200 | 9.92 | 802.29 | |
Field sample selection | 5 | SCL-5 | 194 | 10 | 2600 | 13.40 | 2066.45 |
6 | SCL-6 | 219 | 10 | 2600 | 11.87 | 3907.82 | |
7 | SCL-7 | 299 | 10 | 2600 | 8.70 | 4624.37 | |
8 | SCL-8 | 325 | 10 | 2600 | 8.00 | 5395.92 | |
