Study on the Measurement Method of the Crack Local Flexibility of the Beam Structure

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Condition</td><td class="align_center" rowspan="2"><span style="width: 39.5953ptpx;"><svg height="12.4698pt" id="M68" style="vertical-align:-3.18147pt" version="1.1" viewbox="-0.0498162 -9.28833 39.5953 12.4698" width="39.5953pt" 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="M615 290C615 392 563 448 529 448C511 448 491 441 484 434L483 425C518 400 546 349 546 273C546 158 504 46 417 46C381 46 356 77 356 142C356 184 380 293 392 334L387 340L307 323C305 288 296 228 287 188C265 94 221 52 180 52C144 52 112 89 112 171C112 278 164 372 241 430L226 454C106 394 23 288 23 155C23 40 79 -12 139 -12C184 -12 245 32 285 85C292 31 322 -12 376 -12C423 -12 470 18 501 45C570 104 615 184 615 290Z"></path></g><g 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399 86 413 125L387 138Z"></path></g><g transform="matrix(.013,0,0,-0.013,34.934,0)"><path d="M275 270C275 450 212 609 64 710L45 686C145 604 203 442 203 270S147 -63 45 -147L64 -170C213 -68 275 89 275 270Z"></path></g></svg></span></td><td class="align_center" rowspan="2"><span style="width: 39.5953ptpx;"><svg height="12.4698pt" id="M69" style="vertical-align:-3.18147pt" version="1.1" viewbox="-0.0498162 -9.28833 39.5953 12.4698" width="39.5953pt" 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="M615 290C615 392 563 448 529 448C511 448 491 441 484 434L483 425C518 400 546 349 546 273C546 158 504 46 417 46C381 46 356 77 356 142C356 184 380 293 392 334L387 340L307 323C305 288 296 228 287 188C265 94 221 52 180 52C144 52 112 89 112 171C112 278 164 372 241 430L226 454C106 394 23 288 23 155C23 40 79 -12 139 -12C184 -12 245 32 285 85C292 31 322 -12 376 -12C423 -12 470 18 501 45C570 104 615 184 615 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class="thead"><td class="align_center"><span style="width: 10.9832ptpx;"><svg height="11.4899pt" id="M73" style="vertical-align:-5.52899pt" version="1.1" viewbox="-0.0498162 -5.96091 10.9832 11.4899" width="10.9832pt" 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="M387 375C387 402 357 448 257 448C172 448 82 404 82 326C82 289 108 255 156 241V239C85 223 23 181 23 116C23 39 89 -12 182 -12C265 -12 336 31 378 91L361 114C320 73 269 47 216 47C157 47 115 82 115 137C115 191 160 219 218 219C243 219 262 218 272 217L304 259L302 266C295 265 281 264 255 264C195 264 163 294 163 335C163 377 200 416 249 416C293 416 321 389 329 342C331 332 335 329 341 329C355 329 387 352 387 375Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,5.005,3.132)"><path d="M563 583C563 664 501 710 433 710C381 710 334 692 285 648C212 582 178 506 149 350L74 -56C49 -190 36 -222 24 -226L30 -257C52 -256 95 -247 121 -229C131 -222 134 -206 165 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class="align_center">1.76</td><td class="align_center">1.0</td><td class="align_center">1.1</td></tr><tr><td class="align_left">III</td><td class="align_center">272.6</td><td class="align_center">1072.1</td><td class="align_center">2455.0</td><td class="align_center">0.24</td><td class="align_center">0.79</td><td class="align_center">6.0</td><td class="align_center">6.0</td></tr><tr><td class="align_left">IV</td><td class="align_center">267.0</td><td class="align_center">1040.0</td><td class="align_center">2456.5</td><td class="align_center">0.27</td><td class="align_center">1.85</td><td class="align_center">3.0</td><td class="align_center">6.3</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Measurement results of the local flexibility of crack.</div>

Shock and Vibration

tab2

Table 2

Table 2: Study on the Measurement Method of the Crack Local Flexibility of the Beam Structure 