Influence Factors of Vibration Response on Supporting-Thrusting System of Tunnel Boring Machine

<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">Number</td><td class="align_center">Support force of shield (kN)</td><td class="align_center">Equivalent stiffness (N/m)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">800</td><td class="align_center">5.49<i>e</i>8</td></tr><tr><td class="align_left">2</td><td class="align_center">900</td><td class="align_center">7.99<i>e</i>8</td></tr><tr><td class="align_left">3</td><td class="align_center">1000</td><td class="align_center">1.04<i>e</i>9</td></tr><tr><td class="align_left">4</td><td class="align_center">1100</td><td class="align_center">1.30<i>e</i>9</td></tr><tr><td class="align_left">5</td><td class="align_center">1200</td><td class="align_center">1.56<i>e</i>9</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Shield-surrounding rock contact stiffness under different shield support pressures.</div>

Mathematical Problems in Engineering

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Table 5

Table 5: Influence Factors of Vibration Response on Supporting-Thrusting System of Tunnel Boring Machine 