Research Article
Bearing Capacities of Different-Diameter Concrete-Filled Steel Tubes under Axial Compression
Table 4
Test results at moment of peak bearing capacity for each specimen.
| Specimen number | Peak load [kN] | Peak average stress [MPa] | Stress of confined concrete [MPa] | / | Average of / |
| CD2-1 | 3357 | 92.12 | 78.35 | 0.96 | 0.98 | CD2-2 | 3483 | 94.52 | 83.98 | 1.00 |
| CD4-1 | 10523 | 73.90 | 68.85 | 1.02 | 1.03 | CD4-2 | 10784 | 75.26 | 71.11 | 1.04 |
| CD6-1 | 21207 | 68.35 | 62.06 | 0.98 | 0.98 | CD6-2 | 21582 | 69.68 | 63.58 | 0.99 |
| CD8-1 | 36933 | 70.38 | 64.80 | 1.02 | 1.01 | CD8-2 | 37221 | 70.34 | 65.61 | 1.01 |
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