Insights into Underrail Rubber Pad’s Effect on Vehicle-Track-Viaduct System Dynamics

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Material type</td><td class="align_center">Ambient temperature (°C)</td><td class="align_center">Energy storage modulus kN/m</td><td class="align_center">Loss factor</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left" rowspan="3">WJ-7B fastener</td><td class="align_center">20</td><td class="align_center" rowspan="3">Frequency variant</td><td class="align_center" rowspan="3">Frequency variant</td></tr><tr><td class="align_center">−20</td></tr><tr><td class="align_center">−30</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Temperature/frequency characteristic calculation conditions.</div>

Shock and Vibration

tab4

Table 4

Table 4: Insights into Underrail Rubber Pad’s Effect on Vehicle-Track-Viaduct System Dynamics 