Effects of the Rock Bridge Ligament on Fracture and Energy Evolution of Preflawed Granite Exposed to Dynamic Loads

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Rock bridge angle</td><td class="align_center"><span style="width: 59.6297ptpx;"><svg height="11.7978pt" id="M7" style="vertical-align:-0.2063999pt" version="1.1" viewbox="-0.0498162 -11.5914 59.6297 11.7978" width="59.6297pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,6.159,-.222)"><path d="M-161 571C-161 600 -183 623 -212 623C-238 623 -262 600 -262 571C-262 544 -238 520 -212 520C-183 520 -161 544 -161 571Z"></path></g><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 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class="align_center">257</td><td class="align_center">404</td><td class="align_center">487</td><td class="align_center">503</td></tr><tr><td class="align_left">70°</td><td class="align_center">359</td><td class="align_center">454</td><td class="align_center">512</td><td class="align_center">530</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Summarization of rock peak strength for rock under different strain rates.</div>

Shock and Vibration

tab1

Table 1

Table 1: Effects of the Rock Bridge Ligament on Fracture and Energy Evolution of Preflawed Granite Exposed to Dynamic Loads 