Research Article
Study on Mechanical Behavior of Fully Encased Composite Slender Columns with High-Strength Concrete Using FEM Simulation
Table 11
Effect of structural steel shape on the axial load capacity of FEC column with s = 50 mm.
| Group | Column ID | Structural steel | Concrete fck, (MPa) | S (mm) | Peak axial load (P) | Percent difference (%) |
| Group 1 | Control RHC1 | — | 90 | 50 | 7734.38 | — | HC1CS | Circular | 90 | 8620.64 | 11.46 | HC1IS | I-shaped | 90 | 8315.56 | 7.51 | HC1RS | Rectangular | 90 | 7956.81 | 2.88 |
| Group 2 | Control RHC2 | — | 100 | 50 | 8148.87 | — | HC2CS | Circular | 100 | 9086.14 | 11.50 | HC2IS | I-shaped | 100 | 9024.55 | 10.75 | HC2RS | Rectangular | 100 | 8406.18 | 3.16 |
| Group 3 | Control RHC3 | — | 120 | 50 | 9164.90 | — | HC3CS | Circular | 120 | 10104.70 | 10.25 | HC3IS | I-shaped | 120 | 9998.76 | 9.10 | HC3RS | Rectangular | 120 | 9495.37 | 3.61 |
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