Research Article
Stiffness Analysis of Recycled Self-Compacting Concrete-Filled Circular Steel Tubular Columns under Eccentric Compression
Table 4
Values of studied parameters.
| Parameter | Values | Fixed values |
| Yield strength of the steel () (MPa) | 235, 345, 390, 420 | 235 | Steel ratio () | 0.05, 0.1, 0.15, 0.20 | 0.1 | Diameter-thickness ratio of the steel tube () | 30, 38.6, 50, 70 | 38.6 | Replacement ratio of RCA | 0, 50%, 100% | 100% | Strength grade of concrete | C30, C50, C60 | C50 | Eccentricity ratio | 0.3, 0.6, 0.9 | ā | Length-diameter ratio | 3.57, 7.14, 10.71 | ā |
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