Research Article
Experimental Study of the Low-Cycle Fatigue in Double-Walled Hollow Pipe Members
Table 2
Material performance parameters of specimens.
| Number | (%) | ξ | fyi (MPa) | fyo (MPa) | fui (MPa) | fuo (MPa) | Ei (MPa) | Eo (MPa) | fcu (MPa) |
| DWHP-1 | 5.969 | 0.42 | 301 | 288 | 442 | 407 | 1.56E5 | 1.77E5 | 63.43 | DWHP-2 | 5.969 | 0.64 | 301 | 288 | 442 | 407 | 1.56E5 | 1.77E5 | 42.07 | DWHP-3 | 7.690 | 1.65 | 301 | 288 | 442 | 407 | 1.56E5 | 1.77E5 | 42.07 |
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