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

<table class="table-group" id="tab6"><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">Horizontal supporting force (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">14,000</td><td class="align_center">2.98<i>e</i>10</td></tr><tr><td class="align_left">2</td><td class="align_center">16,000</td><td class="align_center">3.43<i>e</i>10</td></tr><tr><td class="align_left">3</td><td class="align_center">18,000</td><td class="align_center">3.87<i>e</i>10</td></tr><tr><td class="align_left">4</td><td class="align_center">20,000</td><td class="align_center">4.31<i>e</i>10</td></tr><tr><td class="align_left">5</td><td class="align_center">22,000</td><td class="align_center">4.75<i>e</i>10</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The gripper shoes-surrounding rock contact stiffness under different horizontal supporting pressures.</div>

Mathematical Problems in Engineering

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Table 6

Table 6: Influence Factors of Vibration Response on Supporting-Thrusting System of Tunnel Boring Machine 