Investigation of Dynamic Responses and Vibration Serviceability of Temporary Grandstands by a 3 DOF Interaction Model due to Swaying Motion

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="2" rowspan="2">Parameter</td><td class="align_center" colspan="8">The degree of reduction (%)</td></tr><tr class="thead"><td class="align_center">1.4 Hz</td><td class="align_center">1.6 Hz</td><td class="align_center">1.8 Hz</td><td class="align_center">2.0 Hz</td><td class="align_center">2.2 Hz</td><td class="align_center">2.4 Hz</td><td class="align_center">2.6 Hz</td><td class="align_center">2.8 Hz</td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td class="align_left"><i>α</i></td><td class="align_center">0.2–2.0</td><td class="align_center">63</td><td class="align_center">60</td><td class="align_center">57</td><td class="align_center">64</td><td class="align_center">61</td><td class="align_center">69</td><td class="align_center">68</td><td class="align_center">70</td></tr><tr><td class="align_left"><i>ζ</i><sub>3</sub></td><td class="align_center">0.3–0.5</td><td class="align_center">−47</td><td class="align_center">−12</td><td class="align_center">−3</td><td class="align_center">26</td><td class="align_center">30</td><td class="align_center">31</td><td class="align_center">30</td><td class="align_center">30</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The max VDV corresponding to variate parameters of passive crowd.</div>

Shock and Vibration

tab7

Table 7

Table 7: Investigation of Dynamic Responses and Vibration Serviceability of Temporary Grandstands by a 3 DOF Interaction Model due to Swaying Motion 