Hysteretic Behavior of Specimens of Circular Concrete-Filled CFRP-Steel Tubular Beam-Column

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Section</td><td class="align_center"><i>f</i><sub>y</sub> (MPa)</td><td class="align_center"><i>f</i><sub>u</sub> (MPa)</td><td class="align_center"><i>E</i><sub>s</sub> (GPa)</td><td class="align_center"><i>ε</i><sub>sy</sub> (<i>με</i>)</td><td class="align_center"><span style="width: 9.91063ptpx;"><svg height="9.10848pt" id="M2" style="vertical-align:-3.291111pt" version="1.1" viewbox="-0.0498162 -5.81737 9.91063 9.10848" width="9.91063pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M219 86C216 168 211 250 206 337C201 410 189 448 163 448C131 448 79 396 43 344L60 322C91 359 110 375 118 375S132 358 136 298C141 238 152 81 155 -12H182C242 62 331 177 390 258C435 321 451 360 451 391C450 424 432 448 408 448C390 448 372 435 366 419C362 410 362 401 366 394C373 383 376 367 376 350C376 283 262 138 221 86H219Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,5.811,3.132)"><path d="M357 391C357 416 325 451 270 451C241 451 179 431 146 400C109 365 97 334 97 307C97 248 143 213 196 180C250 146 261 123 261 101C261 75 237 40 190 40C153 40 110 72 86 109C81 116 68 119 55 112C37 102 24 87 24 66C24 30 85 -12 137 -12C229 -12 331 62 331 140C331 189 304 218 236 260C197 284 164 309 164 346C164 381 194 400 220 400C259 400 282 380 304 350C310 342 321 339 330 344C347 353 357 372 357 391Z"></path></g></svg></span></td><td class="align_center"><i>ε</i>′ (%)</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Circular</td><td class="align_center">298</td><td class="align_center">425</td><td class="align_center">199</td><td class="align_center">2502</td><td class="align_center">0.28</td><td class="align_center">27</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The material properties of steel tube used in experiment.</div>

Advances in Civil Engineering

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Table 1

Table 1: Hysteretic Behavior of Specimens of Circular Concrete-Filled CFRP-Steel Tubular Beam-Column 