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="tab4"><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">190.848</td><td class="align_center">76.34</td></tr><tr><td class="align_left">Support cables</td><td class="align_center">7.818</td><td class="align_center">3.13</td></tr><tr><td class="align_left">Ring nets</td><td class="align_center">13.958</td><td class="align_center">5.58</td></tr><tr><td class="align_left">Wire meshes</td><td class="align_center">16.812</td><td class="align_center">6.72</td></tr><tr><td class="align_left">Sliding energy</td><td class="align_center">14.295</td><td class="align_center">5.72</td></tr><tr><td class="align_left">Hourglass energy</td><td class="align_center">1.484</td><td class="align_center">0.59</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 maximal energy absorption of the components in the rock shed.</div>

Shock and Vibration

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Table 4

Table 4: Dynamic Finite Element Analysis of a New Type Flexible Rock Shed under the Impact of Rock Block and Improving the Design 