A Study on Seismic Isolation of Shield Tunnel Using Quasi-Static Finite Element Method

<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">Elastic modulus (MPa)</td><td class="align_center">Decrease rate of peak strain (%)</td><td class="align_center">Decrease rate of peak stress (%)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">0.1</td><td class="align_center">50.5</td><td class="align_center">49.4</td></tr><tr><td class="align_left">0.3</td><td class="align_center">43.4</td><td class="align_center">40.5</td></tr><tr><td class="align_left">0.5</td><td class="align_center">39.4</td><td class="align_center">35.7</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Decrease rate of axial peak strain and stress corresponding to different shear moduli.</div>

Shock and Vibration

tab4

Table 4

Table 4: A Study on Seismic Isolation of Shield Tunnel Using Quasi-Static Finite Element Method 