Parametric Study on the Ground Control Effects of Rock Bolt Parameters under Dynamic and Static Coupling Loads

<table class="table-group" id="tab13"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Model</td><td class="align_center"><i>L</i> (mm)</td><td class="align_center"><i>φ</i> (mm)</td><td class="align_center"><i>Lg</i> (mm)</td><td class="align_center"><i>S</i> (mm)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left"><i>S</i><sub>1</sub></td><td class="align_center">2000</td><td class="align_center">20</td><td class="align_center">1000</td><td class="align_center">600</td></tr><tr><td class="align_left"><i>S</i><sub>2</sub></td><td class="align_center">2000</td><td class="align_center">20</td><td class="align_center">1000</td><td class="align_center">1000</td></tr><tr><td class="align_left"><i>S</i><sub>3</sub></td><td class="align_center">2000</td><td class="align_center">20</td><td class="align_center">1000</td><td class="align_center">1400</td></tr><tr><td class="align_left"><i>S</i><sub>4</sub></td><td class="align_center">2000</td><td class="align_center">20</td><td class="align_center">1000</td><td class="align_center">1800</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div><i>S</i> is the grouting length, <i>L</i> is the bolt length, <i>φ</i> is the bolt diameter, and <i>Lg</i> is the bolt spacing.<br/></div></td></tr></table>

<div>Model design with different grouting lengths.</div>

Advances in Civil Engineering

tab13

Table 13

Table 13: Parametric Study on the Ground Control Effects of Rock Bolt Parameters under Dynamic and Static Coupling Loads 