Experimental and Numerical Studies on the Negative Flexural Behavior of Steel-UHPC Composite Beams

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Expansion angle</td><td class="align_center">Eccentricity</td><td class="align_center">Strength ratio <i>f</i></td><td class="align_center"><span style="width: 13.6165ptpx;"><svg height="11.927pt" id="M16" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -8.6359 13.6165 11.927" width="13.6165pt" 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="M743 650H503L496 622L527 618C563 613 564 603 532 573C449 495 371 431 323 392C301 374 272 355 246 346L280 522C297 609 300 614 379 622L385 650H135L129 622C209 614 215 609 198 522L124 133C106 39 99 35 23 28L17 0H271L277 28C193 35 192 39 208 133L239 316C264 328 280 325 303 288C368 183 435 90 502 0H652L659 28C602 34 584 43 543 94C495 154 403 283 347 369L574 554C634 603 659 612 735 624L743 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.23,3.132)"><path d="M387 400C387 425 348 451 303 451C247 451 176 414 132 376C69 322 24 228 24 148C24 43 74 -12 147 -12C211 -12 301 33 363 103L346 128C319 99 249 51 193 51C148 51 112 84 112 165C112 230 130 287 154 330C170 359 199 400 243 400C277 400 304 383 326 354C333 345 343 343 354 348C378 360 387 382 387 400Z"></path></g></svg></span></td><td class="align_center">Viscosity</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">30°</td><td class="align_center">0.1</td><td class="align_center">1.16</td><td class="align_center">2/3</td><td class="align_center">0.0005</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameters for the damaged plasticity model of UHPC.</div>

Advances in Civil Engineering

tab5

Table 5

Table 5: Experimental and Numerical Studies on the Negative Flexural Behavior of Steel-UHPC Composite Beams 