Research Article
Study on Mechanical Behavior of Fully Encased Composite Slender Columns with High-Strength Concrete Using FEM Simulation
Table 12
Effect of structural steel shape on the axial load capacity of FEC column with s = 100 mm.
| Group | Column ID | Structural steel | Concrete fck, (MPa) | S (mm) | Peak axial load (P) | Percent difference (%) |
| Group 1 | Control RHC1 | — | 90 | 100 | 7442.67 | — | HC1CS | Circular | 90 | 8320.52 | 11.79 | HC1IS | I-shaped | 90 | 88074.95 | 8.50 | HC1RS | Rectangular | 90 | 7649.10 | 2.77 |
| Group 2 | Control RHC2 | — | 100 | 100 | 7996.18 | — | HC2CS | Circular | 100 | 8799.52 | 11.44 | HC2IS | I-shaped | 100 | 8745.25 | 10.75 | HC2RS | Rectangular | 100 | 8165.45 | 3.41 |
| Group 3 | Control RHC3 | — | 120 | 100 | 8896.69 | — | HC3CS | Circular | 120 | 9898.05 | 10.12 | HC3IS | I-shaped | 120 | 9800.41 | 9.22 | HC3RS | Rectangular | 120 | 9108.08 | 2.32 |
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