Table 6 Comparison between experimental and calculated values for square RCFST columns.
Specimens | \(\begin{gathered} N_{u} \hfill \\ \left( {kN} \right) \hfill \\ \end{gathered}\) | \(\begin{gathered} N_{GB} \hfill \\ \left( {kN} \right) \hfill \\ \end{gathered}\) | \(\begin{gathered} N_{EC4} \hfill \\ \left( {kN} \right) \hfill \\ \end{gathered}\) | \(\begin{gathered} N_{ACI} \hfill \\ \left( {kN} \right) \hfill \\ \end{gathered}\) | \(\begin{gathered} N_{AIJ} \hfill \\ \left( {kN} \right) \hfill \\ \end{gathered}\) | \(\frac{{N_{GB} }}{{N_{u} }}\) | \(\frac{{N_{EC4} }}{{N_{u} }}\) | \(\frac{{N_{ACI} }}{{N_{u} }}\) | \(\frac{{N_{AIJ} }}{{N_{u} }}\frac{{N_{AIJ} }}{{N_{u} }}\) |
|---|---|---|---|---|---|---|---|---|---|
S-R0T600t180 | 643.93 | 648.70 | 541.78 | 400.78 | 660.24 | 1.01 | 0.84 | 0.62 | 1.03 |
S-R5T600t180 | 594.44 | 588.40 | 505.00 | 370.89 | 613.35 | 0.99 | 0.85 | 0.62 | 1.03 |
S-R10T600t180 | 492.10 | 557.14 | 485.59 | 355.11 | 588.60 | 1.13 | 0.99 | 0.72 | 1.20 |
S-R20T600t180 | 485.37 | 517.09 | 460.05 | 334.35 | 556.04 | 1.07 | 0.95 | 0.69 | 1.15 |
S-R10T20 | 741.29 | 1084.44 | 897.15 | 658.30 | 1093.57 | 1.46 | 1.21 | 0.89 | 1.48 |
S-R10T200t180 | 647.62 | 901.12 | 748.83 | 551.56 | 913.78 | 1.39 | 1.16 | 0.85 | 1.41 |
S-R10T400t180 | 518.25 | 793.24 | 673.75 | 493.67 | 820.16 | 1.53 | 1.30 | 0.95 | 1.58 |
S-R10T800t180 | 424.66 | 412.53 | 379.36 | 272.18 | 458.51 | 0.97 | 0.89 | 0.64 | 1.08 |
S-R10T600t30 | 570.00 | 978.92 | 815.97 | 598.86 | 988.78 | 1.72 | 1.43 | 1.05 | 1.73 |
S-R10T600t90 | 518.25 | 687.52 | 581.34 | 427.95 | 707.39 | 1.33 | 1.12 | 0.83 | 1.36 |
Average | - | 1.26 | 1.10 | 0.79 | 1.30 | ||||
Standard deviation | - | 0.25 | 0.19 | 0.14 | 0.23 | ||||
Variable coefficient | - | 0.20 | 0.18 | 0.18 | 0.18 | ||||
