Dynamic Finite Element Analysis of a New Type Flexible Rock Shed under the Impact of Rock Block and Improving the Design

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Component</td><td class="align_center">Energy absorption (kJ)</td><td class="align_center">Ratio (%)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Steel-vaulted structure</td><td class="align_center">75.485</td><td class="align_center">30.19</td></tr><tr><td class="align_left">Support cables</td><td class="align_center">22.889</td><td class="align_center">9.16</td></tr><tr><td class="align_left">Ring nets</td><td class="align_center">53.969</td><td class="align_center">21.59</td></tr><tr><td class="align_left">Wire meshes</td><td class="align_center">37.418</td><td class="align_center">14.97</td></tr><tr><td class="align_left">Sliding energy</td><td class="align_center">40.498</td><td class="align_center">16.12</td></tr><tr><td class="align_left">Hourglass energy</td><td class="align_center">15.688</td><td class="align_center">6.28</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div><i>Note</i>. Sliding energy refers to the energy dissipated due to the friction between block and flexible rock shed.<br/></div></td></tr></table>

<div>The maximum energy absorption of the components in the improved designed rock shed.</div>

Shock and Vibration

tab5

Table 5

Table 5: Dynamic Finite Element Analysis of a New Type Flexible Rock Shed under the Impact of Rock Block and Improving the Design 