Research Article
Bearing Capacities of Different-Diameter Concrete-Filled Steel Tubes under Axial Compression
Table 2
Mechanical properties of steel tube.
| Specimen number | Yield strength [MPa] | Ultimate strength [MPa] | Break elongation A [%] |
| CD2 | 590.4 | 619.5 | 3.7 | CD4 | 259.8 | 418.4 | 24.4 | CD6 | 276.0 | 437.9 | 29.1 | CD8 | 278.8 | 416.2 | 30.9 |
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