Research on Structural Characteristics of Dynamic Nuclear Zone in Dynamic System of Coal and Rock

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Model</td><td class="align_center">External diameter (mm)</td><td class="align_center">Internal diameter (mm)</td><td class="align_center">Length of main pipe (mm)</td><td class="align_center">Length of reel (mm)</td><td class="align_center">Shear strength (MPa)</td><td class="align_center">Gas loading (kg)</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">ZLQ53/800</td><td class="align_center">53</td><td class="align_center">37</td><td class="align_center">800</td><td class="align_center">250</td><td class="align_center">300</td><td class="align_center">0.530</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Specifications of liquid CO<sub>2</sub> fracturing instrument.</div>

Advances in Civil Engineering

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Table 1

Table 1: Research on Structural Characteristics of Dynamic Nuclear Zone in Dynamic System of Coal and Rock 