Identification of Modal Parameters of Bridges Using Ambient Vibration Measurements

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Modes</td><td align="center">AVM</td><td align="center">AM3</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">First vertical</td><td align="center">1.273</td><td align="center">1.273</td></tr><tr><td align="left">First transverse</td><td align="center">2.000</td><td align="center">1.921</td></tr><tr><td align="left">Second vertical</td><td align="center">3.235</td><td align="center">3.542</td></tr><tr><td align="left">Second transverse</td><td align="center">4.65</td><td align="center">5.852</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Experimentally and mathematically identified modal frequencies (Hz).

Shock and Vibration

tab7

Table 7

Table 7: Identification of Modal Parameters of Bridges Using Ambient Vibration Measurements 