A Study of Fractal Deep-Hole Blasting and Its Induced Stress Behavior of Hard Roof Strata in Bayangaole Coal Mine, China

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Blasting layout</td><td class="align_center">“Straight-line”</td><td class="align_center">“Triangular-fractal”</td><td class="align_center">“Deep-shallow-fractal”</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Fractal dimension</td><td class="align_center">1</td><td class="align_center">1.1274</td><td class="align_center">1.556</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Fractal dimensions of the different blasting layouts.</div>

Advances in Civil Engineering

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Table 4

Table 4: A Study of Fractal Deep-Hole Blasting and Its Induced Stress Behavior of Hard Roof Strata in Bayangaole Coal Mine, China 