Research Article
Numerical Analysis on the Bending Capacity of the Concrete-Filled Micro-Steel-Tube Piles
Table 2
Numerical simulation scheme.
| Influencing factor | Member number | Concrete strength grade | D (mm) | t (mm) | f y (MPa) |
| Concrete strength grade | SC30 | C30 | 168 | 7 | 235 | SC50 | C50 | SC70 | C70 |
| Wall thickness of steel tube | ST1 | C30 | 168 | 5 | 235 | ST2 | 6 | ST3 | 7 |
| External diameter of steel tube | PD1 | C30 | 140 | 7 | 235 | PD2 | 168 | PD3 | 219 |
| Yield strength of steel | Q235 | C30 | 168 | 7 | 235 | Q345 | 345 | Q390 | 390 |
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