Research Article
Coupling Effect of Eccentricity and Slenderness Ratios on RCFST Column Instability Modes
Table 2
Material parameters of RSTCC long column specimens.
| | Phase | E (GPa) | μ | fck (MPa) | fsy (MPa) | fsu (MPa) | Ref |
| | Concrete | 41.8 | 0.2 | 110.5 | | | [16, 17] | | Steel tube | 206 | 0.3 | | 434.6 | 546.2 | [16, 17] |
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E: elastic model, μ: Poisson’s ratio, and fck: concrete compressive strength.
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