Table 5 Comparison between experimental and calculated values for circular RCFST columns.
Specimens | \(\begin{gathered} N_{u} \hfill \\ \left( {kN} \right) \hfill \\ \end{gathered}\) | \(\begin{gathered} N_{GB} \hfill \\ \left( {kN} \right) \hfill \\ \end{gathered}\) | \(\begin{gathered} N_{EC4} \hfill \\ \left( {kN} \right) \hfill \\ \end{gathered}\) | \(\begin{gathered} N_{ACI} \hfill \\ \left( {kN} \right) \hfill \\ \end{gathered}\) | \(\begin{gathered} N_{AIJ} \hfill \\ \left( {kN} \right) \hfill \\ \end{gathered}\) | \(\frac{{N_{GB} }}{{N_{u} }}\) | \(\frac{{N_{EC4} }}{{N_{u} }}\) | \(\frac{{N_{ACI} }}{{N_{u} }}\) | \(\frac{{N_{AIJ} }}{{N_{u} }}\frac{{N_{AIJ} }}{{N_{u} }}\) |
|---|---|---|---|---|---|---|---|---|---|
C-R0T600t180 | 641.99 | 573.12 | 395.94 | 292.35 | 482.1 | 0.89 | 0.62 | 0.46 | 0.75 |
C-R5T600t180 | 563.58 | 532.86 | 370.03 | 271.29 | 449.06 | 0.95 | 0.66 | 0.48 | 0.80 |
C-R10T600t180 | 540.68 | 512.58 | 356.36 | 260.17 | 431.62 | 0.95 | 0.66 | 0.48 | 0.80 |
C-R20T600t180 | 464.47 | 487.69 | 338.37 | 245.55 | 408.68 | 1.05 | 0.73 | 0.53 | 0.88 |
C-R10T20 | 644.41 | 866.48 | 657.59 | 481.69 | 800.97 | 1.34 | 1.02 | 0.75 | 1.24 |
C-R10T200t180 | 566.02 | 799.58 | 548.12 | 402.99 | 668.34 | 1.41 | 0.97 | 0.71 | 1.18 |
C-R10T400t180 | 552.04 | 717.87 | 494.10 | 361.42 | 601.03 | 1.30 | 0.90 | 0.65 | 1.09 |
C-R10T800t180 | 421.11 | 415.82 | 280.29 | 200.89 | 338.62 | 0.99 | 0.67 | 0.48 | 0.80 |
C-R10T600t30 | 547.48 | 875.27 | 598.03 | 438.16 | 724.08 | 1.60 | 1.09 | 0.80 | 1.32 |
C-R10T600t90 | 535.62 | 615.68 | 425.61 | 312.75 | 517.47 | 1.15 | 0.79 | 0.58 | 0.97 |
Average | - | 0.23 | 0.16 | 0.12 | 0.20 | ||||
Standard deviation | - | 0.20 | 0.20 | 0.20 | 0.20 | ||||
Variable coefficient | - | 0.20 | 0.20 | 0.20 | 0.20 | ||||