Study of Testing Method for Dynamic Initiation Toughness of Sandstone under Blasting Loading

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Model</td><td class="align_center">Gate sensitivity (mm)</td><td class="align_center">Resistance (Ω)</td><td class="align_center">Sensitivity (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">BA120-10AA</td><td class="align_center">9.8 × 3.0</td><td class="align_center">120 ± 0.2</td><td class="align_center">2.21 ± 1</td></tr><tr><td class="align_left">BA120-1AA</td><td class="align_center">1.0 × 2.2</td><td class="align_center">120 ± 0.2</td><td class="align_center">2.21 ± 1</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Parameters of the strain gauges.</div>

Shock and Vibration

tab1

Table 1

Table 1: Study of Testing Method for Dynamic Initiation Toughness of Sandstone under Blasting Loading 