Seismic Response Mitigation of a Long-Span Tower Bridge with Two Types of Constraint System

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Restraint systems</td><td class="align_center">Longitudinal displacement at the girder end (%)</td><td class="align_center">Longitudinal displacement at the tower top (%)</td><td class="align_center">Base shear in tower</td><td class="align_center">Base moment in tower (%)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">ECD</td><td class="align_center">32.74</td><td class="align_center">28.10</td><td class="align_center">-9.98%</td><td class="align_center">0.32</td></tr><tr><td class="align_left">VD</td><td class="align_center">45.97</td><td class="align_center">33.20</td><td class="align_center">18.69%</td><td class="align_center">19.15</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of seismic mitigation ratios with different measures.</div>

Advances in Civil Engineering

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Table 4

Table 4: Seismic Response Mitigation of a Long-Span Tower Bridge with Two Types of Constraint System 