Research Article
Study on the Bond-Slip Performance of CFSSTs Based on Push-Out Tests
Table 1
Design parameters of the test specimens.
| Specimen number | L (mm) | (mm) | B (mm) | | | (MPa) | Inner wall of the steel tube |
| CFST1 | 400.00 | 5.00 | 150 | 9.24 | 30.00 | 30.00 | Rust cleaning | CFST2 | 400.00 | 4.00 | 150 | 9.24 | 37.50 | 40.00 | Rust cleaning | CFST3 | 400.00 | 3.00 | 150 | 9.24 | 50.00 | 50.00 | Rust cleaning | CFST4 | 600.00 | 5.00 | 150 | 13.86 | 30.00 | 40.00 | Rust cleaning | CFST5 | 600.00 | 4.00 | 150 | 13.86 | 37.50 | 50.00 | Rust cleaning | CFST6 | 600.00 | 3.00 | 150 | 13.86 | 50.00 | 30.00 | Rust cleaning | CFST7 | 800.00 | 5.00 | 150 | 18.48 | 30.00 | 50.00 | Rust cleaning | CFST8 | 800.00 | 4.00 | 150 | 18.48 | 37.50 | 30.00 | Rust cleaning | CFST9 | 800.00 | 3.00 | 150 | 18.48 | 50.00 | 40.00 | Rust cleaning | CFST10 | 600.00 | 5.00 | 150 | 13.86 | 30.00 | 40.00 | No rust removal |
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Note. L is the steel tube length, B is the steel tube section width, t is the steel tube thickness, and is the concrete strength. |