Seismic Behavior of the Removable Links in Eccentrically Braced Frames with Semirigid Connections

<table class="table-group" id="tab16"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Model/specimen</td><td class="align_center" rowspan="2">Load direction</td><td class="align_center" colspan="2">Yield stage</td><td class="align_center" colspan="2">Ultimate stage</td><td class="align_center">Ductility coefficient</td></tr><tr class="thead"><td class="align_center"><span style="width: 12.3794ptpx;"><svg height="14.8173pt" id="M121" style="vertical-align:-5.52897pt" version="1.1" viewbox="-0.0498162 -9.28833 12.3794 14.8173" width="12.3794pt" 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="M494 514C482 587 419 712 303 712C238 712 174 667 174 603C174 561 205 514 249 449C219 438 187 422 162 407C93 366 23 283 23 177C23 69 87 -12 190 -12C244 -12 288 5 328 33C406 87 444 170 444 249C444 329 404 391 331 475C265 550 222 605 222 627C222 647 238 657 267 657C355 657 421 585 484 499L494 514ZM359 234C359 143 319 30 219 30C172 30 114 75 114 178C114 275 163 343 195 378C212 397 241 415 269 425C305 382 359 313 359 234Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.396,3.132)"><path d="M563 395C563 428 543 451 519 451C500 451 480 438 472 423C468 415 465 403 470 394C477 381 482 368 482 347C482 272 386 136 342 74H340C334 163 323 257 312 337C302 410 290 451 257 451C214 451 160 385 127 338L145 310C169 341 203 373 209 373C219 373 225 369 232 325C249 215 269 62 271 -15C220 -80 135 -165 18 -231L26 -257L142 -230C254 -105 279 -74 342 13C394 85 484 211 526 286C553 334 563 365 563 395Z"></path></g></svg> <svg height="11.5564pt" id="M122" style="vertical-align:-2.26807pt" version="1.1" viewbox="-0.0498162 -9.28833 30.5033 11.5564" width="30.5033pt" 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="M300 -147C201 -63 143 98 143 270S200 602 300 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270Z"></path></g></svg></span></td><td class="align_center"><span style="width: 12.7709ptpx;"><svg height="14.1649pt" id="M127" style="vertical-align:-5.529pt" version="1.1" viewbox="-0.0498162 -8.6359 12.7709 14.1649" width="12.7709pt" 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="M584 650H137L131 622C214 614 217 612 200 521L125 127C109 41 101 35 23 28L17 0H288L294 28C201 35 193 42 209 128L242 309H348C440 309 442 300 443 226H471L510 422H482C452 354 449 348 357 348H251L295 575C302 609 304 615 338 615H426C502 615 517 604 526 581C534 560 536 524 537 492L565 494C574 554 583 631 584 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.786,3.132)"><path d="M563 395C563 428 543 451 519 451C500 451 480 438 472 423C468 415 465 403 470 394C477 381 482 368 482 347C482 272 386 136 342 74H340C334 163 323 257 312 337C302 410 290 451 257 451C214 451 160 385 127 338L145 310C169 341 203 373 209 373C219 373 225 369 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341 518 448H508L433 422L401 276C355 192 240 56 188 56C163 56 154 89 163 133C184 233 207 338 235 443L230 448L152 424L58 17C40 -60 23 -143 23 -185C23 -241 42 -261 63 -261C92 -261 117 -241 125 -227L124 -221C109 -209 89 -165 89 -103C89 -55 96 -13 105 26H107C121 -3 134 -12 151 -12C172 -12 194 -5 221 16C279 61 330 124 384 194H386C381 159 377 141 368 105C343 3 363 -12 383 -12C416 -12 486 35 538 96Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.89,3.132)"><path d="M610 0V27L347 666L316 657L46 26V0H610ZM504 54H116L310 537L504 54Z"></path></g></svg></span></td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left" rowspan="2">PDKB-2</td><td class="align_center">+</td><td class="align_center">2.37</td><td class="align_center">232.78</td><td class="align_center">28.88</td><td class="align_center">631.78</td><td class="align_center">2.83</td></tr><tr><td class="align_center">−</td><td class="align_center">2.89</td><td class="align_center">208.70</td><td class="align_center">29.25</td><td class="align_center">603.73</td><td class="align_center">2.29</td></tr><tr><td class="align_left" rowspan="2">KEBF-2</td><td class="align_center">+</td><td class="align_center">2.70</td><td class="align_center">196.77</td><td class="align_center">39.60</td><td class="align_center">709.26</td><td class="align_center">2.61</td></tr><tr><td class="align_center">−</td><td class="align_center">2.70</td><td class="align_center">157.45</td><td class="align_center">32.40</td><td class="align_center">535.60</td><td class="align_center">2.11</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparisons of capacity and ductility by experiment and by FEM.</div>

Advances in Civil Engineering

tab16

Table 16

Table 16: Seismic Behavior of the Removable Links in Eccentrically Braced Frames with Semirigid Connections 