Research Article
Study on Mechanical Behavior of Fully Encased Composite Slender Columns with High-Strength Concrete Using FEM Simulation
Table 4
Material properties of column specimens for the current study [
6,
14].
| | Concrete | Structural steel | Main bar | Tie bar |
| Compressive stress (Fck) | 90–120 MPa | | | | Yield stress (Fy) | — | 355 MPa | 460 MPa | 500 MPa | Ultimate stress (Fu) | — | 457.95 MPa | 541.65 MPa | 581.25 MPa | Modulus of elasticity (E) | 43.6305–47.27 GPa | 210 GPa | 200 GPa | 200 GPa | Poison’s ratio () | 0.2 | 0.3 | 0.3 | 0.3 | Yield strain (εy) | 0 | 0.00169 | 0.0023 | 0.0025 | Ultimate strain (εu) | 0.0035 | 0.1551 | 0.1748 | 0.175 |
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