Influence of Excitation on Dynamic System Identification for a Multi-Span Reinforced Concrete Bridge

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td align="left" rowspan="2">Excitation phase</td><td align="center" colspan="7">Mode</td></tr><tr><td align="center">1</td><td align="center">2</td><td align="center">3</td><td align="center">4</td><td align="center">5</td><td align="center">6</td><td align="center">7</td></tr><tr><td align="center" colspan="8"><hr/></td></tr><tr><td align="left">Forced vibration</td><td align="center">0.9957</td><td align="center">0.6142</td><td align="center">0.3244</td><td align="center">0.9338</td><td align="center">0.0161</td><td align="center">0.7632</td><td align="center">0.9969</td></tr><tr><td align="left">Free vibration</td><td align="center"> 0.9957</td><td align="center">1.0000</td><td align="center">1.0000</td><td align="center">1.0000</td><td align="center">1.0000</td><td align="center">1.0000</td><td align="center">1.0000</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

MAC values for mode shapes generated using random forced excitation.

Advances in Civil Engineering

tab6

Table 6

Table 6: Influence of Excitation on Dynamic System Identification for a Multi-Span Reinforced Concrete Bridge 