From: Concentrically Loaded Circular RC Columns Partially Confined with FRP
Group#a | Columnsa | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
UW | S1 | S2 | S3 | S4 | S5 | S6 | S7 | FW | ||
1 | \( f^{\prime}_{cc} \) (MPa) | 22.13 | 22.32 | 23.51 | 26.22 | 27.81 | 29.23 | 33.18 | 35.24 | 48.80 |
\( \varepsilon_{ccu} \) | 0.0025 | 0.0068 | 0.0076 | 0.0102 | 0.0120 | 0.0126 | 0.0171 | 0.0195 | 0.0303 | |
\( \varepsilon_{lu} \) | – | 0.003 | 0.0035 | 0.0055 | 0.0061 | 0.0070 | 0.0089 | 0.0102 | 0.0179 | |
\( f^{\prime}_{cc} /f^{\prime}_{c} \) | 1.079 | 1.070 | 1.137 | 1.268 | 1.345 | 1.414 | 1.604 | 1.704 | 2.360 | |
\( \varepsilon_{ccu} /\varepsilon^{\prime}_{c} \) | 1.266 | 3.390 | 3.808 | 5.088 | 5.995 | 6.321 | 8.562 | 9.741 | 15.166 | |
\( \mu \) | 5.744 | 6.357 | 6.952 | 8.422 | 9.215 | 9.219 | 10.269 | 11.266 | 14.327 | |
2 | \( f^{\prime}_{cc} \) (MPa) | 55.20 | 55.22 | 57.52 | 28.35 | 59.86 | 62.35 | 63.39 | 68.06 | 78.27 |
\( \varepsilon_{ccu} \) | 0.0028 | 0.0058 | 0.0065 | 0.0066 | 0.0074 | 0.0098 | 0.0104 | 0.0135 | 0.0154 | |
\( \varepsilon_{lu} \) | – | 0.0021 | 0.0025 | 0.0029 | 0.0032 | 0.0044 | 0.0045 | 0.0068 | 0.0077 | |
\( f^{\prime}_{cc} /f^{\prime}_{c} \) | 1.001 | 1.001 | 1.043 | 1.058 | 1.085 | 1.130 | 1.149 | 1.234 | 1.419 | |
\( \varepsilon_{ccu} /\varepsilon^{\prime}_{c} \) | 1.083 | 2.267 | 2.534 | 2.580 | 2.903 | 3.840 | 4.062 | 5.273 | 6.036 | |
\( \mu \) | 3.53 | 3.552 | 3.970 | 4.041 | 6.177 | 6.762 | 6.915 | 7.087 | 7.339 | |
3 | \( f^{\prime}_{cc} \) (MPa) | 23.89 | 24.55 | 24.78 | 26.65 | 28.80 | 28.83 | 32.04 | 35.99 | 49.79 |
\( \varepsilon_{ccu} \) | 0.0051 | 0.0066 | 0.0070 | 0.0083 | 0.0084 | 0.0106 | 0.0157 | 0.0173 | 0.0294 | |
\( \varepsilon_{lu} \) | – | 0.0023 | 0.0028 | 0.0035 | 0.0044 | 0.0052 | 0.0077 | 0.0096 | 0.0178 | |
\( f^{\prime}_{cc} /f^{\prime}_{c} \) | 1.155 | 1.187 | 1.198 | 1.289 | 1.393 | 1.394 | 1.549 | 1.740 | 2.408 | |
\( \varepsilon_{ccu} /\varepsilon^{\prime}_{c} \) | 2.554 | 3.313 | 3.491 | 4.129 | 4.194 | 5.309 | 7.841 | 8.650 | 14.717 | |
\( \mu \) | 5.674 | 5.796 | 5.813 | 6.446 | 6.983 | 7.315 | 9.271 | 9.765 | 13.426 | |
4 | \( f^{\prime}_{cc} \) (MPa) | 22.2 | 22.38 | 25.02 | 26.22 | 27.31 | 29.89 | 32.54 | 36.16 | 48.49 |
\( \varepsilon_{ccu} \) | 0.0028 | 0.0066 | 0.0072 | 0.0096 | 0.0108 | 0.0122 | 0.0150 | 0.0193 | 0.0307 | |
\( \varepsilon_{lu} \) | – | 0.0031 | 0.0033 | 0.0053 | 0.0056 | 0.0067 | 0.0088 | 0.0113 | 0.0187 | |
\( f^{\prime}_{cc} /f^{\prime}_{c} \) | 1.074 | 1.082 | 1.210 | 1.268 | 1.320 | 1.445 | 1.573 | 1.749 | 2.345 | |
\( \varepsilon_{ccu} /\varepsilon^{\prime}_{c} \) | 1.384 | 3.323 | 3.618 | 4.795 | 5.391 | 6.082 | 7.527 | 9.637 | 15.374 | |
\( \mu \) | 5.972 | 6.205 | 6.231 | 7.918 | 8.415 | 9.206 | 10.026 | 10.697 | 14.155 |