GA-Based Early Warning Method for Rock Burst with Microseismic and Acoustic Emission in Steeply Inclined Coal Seam

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left">Name of the monitoring system</td><td class="align_left"><span style="width: 11.5965ptpx;"><svg height="15.4254pt" id="M44" style="vertical-align:-3.834pt" version="1.1" viewbox="-0.0498162 -11.5914 11.5965 15.4254" width="11.5965pt" 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="M495 86L479 114C446 82 419 66 409 66C401 66 401 72 406 97C420 166 436 231 453 297C489 435 454 448 428 448C406 448 384 439 354 422C305 394 222 327 161 247H159L183 345C200 415 194 448 173 448C143 448 82 410 23 351L38 325C64 349 95 371 105 371C111 371 116 365 109 336L25 -4L31 -12C50 -4 77 3 107 9C119 69 132 122 145 168C197 254 321 381 370 381C387 381 393 374 378 305L329 95C309 17 320 -12 345 -12C372 -12 430 19 495 86Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.526,-5.741)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.461,3.784)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g></svg></span></td><td class="align_left"><span style="width: 11.5965ptpx;"><svg height="15.535pt" id="M45" style="vertical-align:-3.9436pt" version="1.1" viewbox="-0.0498162 -11.5914 11.5965 15.535" width="11.5965pt" 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="M495 86L479 114C446 82 419 66 409 66C401 66 401 72 406 97C420 166 436 231 453 297C489 435 454 448 428 448C406 448 384 439 354 422C305 394 222 327 161 247H159L183 345C200 415 194 448 173 448C143 448 82 410 23 351L38 325C64 349 95 371 105 371C111 371 116 365 109 336L25 -4L31 -12C50 -4 77 3 107 9C119 69 132 122 145 168C197 254 321 381 370 381C387 381 393 374 378 305L329 95C309 17 320 -12 345 -12C372 -12 430 19 495 86Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.526,-5.741)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.461,3.784)"><path d="M245 635C92 635 37 457 37 312C37 149 91 -12 244 -12C395 -12 449 166 449 312C449 469 395 635 245 635ZM243 598C332 598 358 454 358 312C358 173 334 26 245 26C158 26 128 174 128 313S152 598 243 598Z"></path></g></svg></span></td><td class="align_left"><i>N</i><sub>1</sub></td><td class="align_left"><i>N</i><sub>0</sub></td><td class="align_left"><i>a</i></td><td class="align_left"><i>d</i></td><td class="align_left"><i>R</i></td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">ARAMIS M/E MS monitoring system</td><td class="align_left">6</td><td class="align_left">6</td><td class="align_left">1686</td><td class="align_left">7119</td><td class="align_left">1</td><td class="align_left">0.237</td><td class="align_left">0.763</td></tr><tr><td class="align_left">KJ623 AE monitoring system</td><td class="align_left">4</td><td class="align_left">6</td><td class="align_left">323</td><td class="align_left">7119</td><td class="align_left">0.667</td><td class="align_left">0.045</td><td class="align_left">0.621</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Early warning capability of different monitoring systems.</div>

Shock and Vibration

tab5

Table 5

Table 5: GA-Based Early Warning Method for Rock Burst with Microseismic and Acoustic Emission in Steeply Inclined Coal Seam 