Spatial Variation Law of Blasting Vibration in Layered Strata under Blasting Excavation of Subway Tunnel

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Geological layer</td><td class="align_center">Blasting vibration attenuation model</td><td class="align_center">Correlation coefficient</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Plain fill</td><td class="align_center"><span style="width: 170.609ptpx;"><svg height="13.8628pt" id="M36" style="vertical-align:-2.271399pt" version="1.1" viewbox="-0.0498162 -11.5914 170.609 13.8628" width="170.609pt" 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="M219 86C216 168 211 250 206 337C201 410 189 448 163 448C131 448 79 396 43 344L60 322C91 359 110 375 118 375S132 358 136 298C141 238 152 81 155 -12H182C242 62 331 177 390 258C435 321 451 360 451 391C450 424 432 448 408 448C390 448 372 435 366 419C362 410 362 401 366 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<div>Blasting vibration velocity attenuation predictive model.</div>

Shock and Vibration

tab4

Table 4

Table 4: Spatial Variation Law of Blasting Vibration in Layered Strata under Blasting Excavation of Subway Tunnel 