Prediction of Grade Classification of Rock Burst Based on PCA-SSA-PNN Architecture

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="11"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">No.</td><td class="align_center" rowspan="2">Mileage</td><td class="align_center" rowspan="2"><svg height="9.41642pt" id="M107" style="vertical-align:-3.27283pt" version="1.1" viewbox="-0.0498162 -6.14359 13.6948 9.41642" width="13.6948pt" 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="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 386L371 388C404 383 440 378 474 378C507 378 530 411 548 455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 274Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.76,3.132)"><path d="M390 111C344 68 312 56 269 56C212 56 118 102 118 241C118 346 175 401 241 401C277 401 312 388 342 360C350 352 355 349 361 349C372 349 394 371 394 392C394 403 391 411 378 422C362 436 329 449 288 449H287C250 449 190 432 138 392C71 341 37 274 37 197C37 90 112 -12 238 -12C297 -12 363 32 407 90L390 111Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.609,3.132)"><path d="M135 536C164 536 186 560 186 587C186 617 164 639 136 639C109 639 85 617 85 587C85 560 109 536 135 536ZM252 0V26C188 32 181 38 181 106V451C138 433 90 420 39 412V388C99 379 102 374 102 312V106C102 38 95 32 32 26V0H252Z"></path></g></svg> (MPa)</td><td class="align_center" rowspan="2"><svg height="9.41642pt" id="M108" style="vertical-align:-3.27283pt" version="1.1" viewbox="-0.0498162 -6.14359 18.7277 9.41642" width="18.7277pt" 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="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 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348 377 275V103C377 37 368 32 306 26V0H520V26C465 32 456 38 456 101V296C456 314 455 326 453 338C491 369 529 390 565 390C628 390 653 345 653 274V107C653 36 642 32 583 26V0H797Z"></path></g></svg> (MPa)</td><td class="align_center" rowspan="2"><svg height="9.43926pt" id="M109" style="vertical-align:-3.29567pt" version="1.1" viewbox="-0.0498162 -6.14359 23.4774 9.43926" width="23.4774pt" 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="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 386L371 388C404 383 440 378 474 378C507 378 530 411 548 455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 274Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.76,3.132)"><path d="M810 0V30C751 35 744 40 744 106V296C744 396 694 451 614 451C583 451 558 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455ZM350 274C350 191 308 25 198 25C144 25 108 75 108 157C108 264 170 395 276 395C296 395 320 384 333 360C347 334 350 316 350 274Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.76,3.132)"><path d="M482 498C482 606 448 710 328 710C138 710 24 416 24 218C24 99 58 -12 184 -12C373 -12 482 294 482 498ZM395 521C395 483 391 449 383 395H128C158 537 226 671 312 671C388 671 395 566 395 521ZM375 342C348 190 284 25 192 25C128 25 109 116 109 199C109 243 112 292 121 342H375Z"></path></g></svg> (MPa)</td><td class="align_center" rowspan="2"><span style="width: 42.4486ptpx;"><svg height="12.584pt" id="M111" style="vertical-align:-3.29567pt" version="1.1" viewbox="-0.0498162 -9.28833 42.4486 12.584" width="42.4486pt" 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="M548 455L523 469C505 448 490 439 461 439C416 439 374 447 316 447C144 447 23 310 23 161C23 47 89 -12 179 -12C312 -12 429 106 429 244C429 303 419 344 368 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30V0H195V30C144 38 143 47 162 79C181 112 202 149 225 181L297 70C314 43 307 35 264 30V0H482Z"></path></g></svg></span></td><td class="align_center" colspan="2">Rock burst grade</td></tr><tr class="thead"><td class="align_center">Prediction</td><td class="align_center">Actual</td></tr><tr><td class="thead-hr" colspan="11"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">DK77+500</td><td class="align_center">68.93</td><td class="align_center">2.69</td><td class="align_center">28.6</td><td class="align_center">68.59</td><td class="align_center">2.41</td><td class="align_center">0..99</td><td class="align_center">0.094</td><td class="align_center">III</td><td class="align_center">III</td></tr><tr><td class="align_left">2</td><td class="align_center">DK79+050</td><td class="align_center">68.93</td><td class="align_center">2.69</td><td class="align_center">36.5</td><td class="align_center">91.85</td><td class="align_center">1.89</td><td class="align_center">1.33</td><td class="align_center">0.074</td><td class="align_center">III</td><td class="align_center">III</td></tr><tr class="table-tr"><td colspan="11"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Rock burst grade prediction of Mufeiling tunnel.</div>

Geofluids

tab7

Table 7

Table 7: Prediction of Grade Classification of Rock Burst Based on PCA-SSA-PNN Architecture 

地理浮点

RockBurst等级预测基于PCA-SSA-PNN架构

表7