Experimental Study of H-Shaped Honeycombed Stub Columns with Rectangular Concrete-Filled Steel Tube Flanges Subjected to Axial Load

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Specimens</td><td class="align_center"><i>t</i><sub>2</sub> (mm)</td><td class="align_center"><svg height="15.8638pt" id="M20" style="vertical-align:-3.9436pt" version="1.1" viewbox="-0.0498162 -11.9202 17.4371 15.8638" width="17.4371pt" 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="M822 650H589L583 622C660 617 677 607 674 561C672 534 664 481 647 390L600 137H596L273 650H126L120 622C176 620 194 615 207 594C221 571 225 557 214 504L161 257C141 166 129 112 121 85C108 42 83 30 29 28L23 0H260L266 28C193 33 173 42 176 89C178 122 186 172 202 255L256 527H259L583 -8H612L690 390C708 481 720 535 728 558C744 603 756 619 816 622L822 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.91,-5.741)"><path d="M655 676H628C608 656 600 650 571 650H156C118 650 114 651 102 676H77C63 615 45 548 24 485L60 486C81 531 97 562 114 580C134 603 148 611 252 611H308L217 127C201 41 196 38 105 32L98 0H384L393 32C300 38 288 41 304 127L393 611H466C553 611 571 604 582 580C592 559 597 530 595 485L630 489C636 548 645 624 655 676Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.062,3.784)"><path d="M528 97L513 125C484 95 440 68 431 68C425 68 421 76 427 107C449 227 476 342 505 451H495L418 424L385 278C338 191 220 62 157 62C145 62 133 76 145 130L200 368C215 434 210 451 183 451C157 451 92 418 24 352L37 324C78 356 106 377 115 377C123 377 122 364 116 340L64 115C58 89 56 68 56 52C56 2 78 -12 103 -12C127 -12 159 -4 190 18C247 59 309 113 366 187H368L351 108C328 1 348 -12 368 -12C403 -12 472 33 528 97Z"></path></g></svg> (kN)</td><td class="align_center">Δ<sub><i>y</i></sub> (mm)</td><td class="align_center">Δ<sub><i>u</i></sub> (mm)</td><td class="align_center"><i>μ</i></td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">STHCC-1</td><td class="align_center">6</td><td class="align_center">706.12</td><td class="align_center">2.23</td><td class="align_center">5.51</td><td class="align_center">2.47</td></tr><tr><td class="align_left">STHCC-2</td><td class="align_center">6</td><td class="align_center">741.21</td><td class="align_center">2.06</td><td class="align_center">5.13</td><td class="align_center">2.49</td></tr><tr><td class="align_left">STHCC-9</td><td class="align_center">8</td><td class="align_center">763.17</td><td class="align_center">1.61</td><td class="align_center">4.85</td><td class="align_center">3.01</td></tr><tr><td class="align_left">STHCC-10</td><td class="align_center">12</td><td class="align_center">798.26</td><td class="align_center">1.39</td><td class="align_center">8.11</td><td class="align_center">5.84</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Specimen ultimate bearing capacity and ductility for different <i>t</i><sub>2</sub>.</div>

Advances in Civil Engineering

tab5

Table 5

Table 5: Experimental Study of H-Shaped Honeycombed Stub Columns with Rectangular Concrete-Filled Steel Tube Flanges Subjected to Axial Load 