Vibration Induced by Subway Trains: Open-Trench Mitigation Analysis in the Time and Frequency Domains

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Density (kg/m<sup>3</sup>)</td><td class="align_center">Elastic modulus (MPa)</td><td class="align_center">Shear modulus (MPa)</td><td class="align_center">Poisson’s ratio, <i>μ</i></td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Prototype</td><td class="align_center">2000</td><td class="align_center">60</td><td class="align_center">23.08</td><td class="align_center">0.3</td></tr><tr><td class="align_left">Model</td><td class="align_center">2000</td><td class="align_center">2</td><td class="align_center">0.77</td><td class="align_center">0.3</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Shock and Vibration

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Table 3

Table 3: Vibration Induced by Subway Trains: Open-Trench Mitigation Analysis in the Time and Frequency Domains 