Minimum Flexural Reinforcement Steel Ratios of High-Strength Concrete Beams

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="5">Steel tensile test—summary</td></tr><tr class="thead"><td class="align_left">Steel bar (mm)</td><td class="align_center">Diameter (mm)</td><td class="align_center"><svg height="14.6509pt" id="M66" style="vertical-align:-5.41477pt" version="1.1" viewbox="-0.0498162 -9.23613 9.16426 14.6509" width="9.16426pt" 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="M52 442L22 406L27 394H92V108C92 45 88 39 30 32V0H302V32C227 39 220 45 220 108V394H321C335 401 339 431 335 442H220L218 477C214 562 214 597 220 616C224 631 233 642 251 642C279 642 311 617 335 593C345 583 355 583 369 593C384 605 395 618 399 629C406 644 405 659 391 673C374 689 349 701 309 703C261 697 226 679 190 649C133 601 112 553 105 531C97 507 92 486 92 464V442H52Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,4.319,3.132)"><path d="M483 442H303V410C352 401 362 388 351 355C333 298 299 198 276 142L201 363C190 396 197 401 240 410V442H-7V410C40 403 52 391 70 348C89 304 144 162 196 18C202 1 204 -14 199 -30C196 -41 190 -53 180 -71C161 -103 138 -122 99 -143C78 -156 71 -165 71 -181C71 -217 114 -245 142 -245C158 -245 172 -240 179 -218C196 -162 216 -99 284 63C342 202 375 285 400 338C425 392 435 402 483 410V442Z"></path></g></svg> (MPa)</td><td class="align_center"><svg height="12.5181pt" id="M67" style="vertical-align:-3.28197pt" version="1.1" viewbox="-0.0498162 -9.23613 9.98632 12.5181" width="9.98632pt" 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="M52 442L22 406L27 394H92V108C92 45 88 39 30 32V0H302V32C227 39 220 45 220 108V394H321C335 401 339 431 335 442H220L218 477C214 562 214 597 220 616C224 631 233 642 251 642C279 642 311 617 335 593C345 583 355 583 369 593C384 605 395 618 399 629C406 644 405 659 391 673C374 689 349 701 309 703C261 697 226 679 190 649C133 601 112 553 105 531C97 507 92 486 92 464V442H52Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,4.319,3.132)"><path d="M542 56L520 58C483 62 478 72 478 124V449C455 445 422 441 387 438C351 435 316 432 287 431V402L318 395C345 389 350 383 350 336V93C328 71 306 65 279 65C245 65 211 88 211 153V298C211 356 211 407 214 449C187 445 151 441 118 438C84 435 53 432 28 431V402L51 395C77 388 83 383 83 337V130C83 42 131 -12 214 -12C245 -12 272 -1 300 18C322 31 333 41 350 55V-5L359 -12C389 -5 420 2 452 8C485 15 513 20 542 24V56Z"></path></g></svg> (MPa)</td><td class="align_center">Elongation (%)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Φ 8</td><td class="align_center">7.68</td><td class="align_center">332</td><td class="align_center">510</td><td class="align_center">22.72</td></tr><tr><td class="align_left">Φ12</td><td class="align_center">11.78</td><td class="align_center">538</td><td class="align_center">681.6</td><td class="align_center">15.67</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Properties of the tested reinforcement bars.</div>

Advances in Civil Engineering

tab6

Table 6

Table 6: Minimum Flexural Reinforcement Steel Ratios of High-Strength Concrete Beams 