An Experimental Study of Structural Identification of Bridges Using the Kinetic Energy Optimization Technique and the Direct Matrix Updating Method

<table class="table-group" id="tab10"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center" colspan="2">Analysis and experimental results using EOT</td><td class="align_center">Error ratio</td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">FE model update</td><td class="align_center">Experimental</td><td class="align_center">%</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1st mode</td><td class="align_center">9.0880 Hz</td><td class="align_center">9.0890 Hz</td><td class="align_center">0.0110</td></tr><tr><td class="align_left">2nd mode</td><td class="align_center">11.2543 Hz</td><td class="align_center">11.2557 Hz</td><td class="align_center">0.0124</td></tr><tr><td class="align_left">3rd mode</td><td class="align_center">17.1418 Hz</td><td class="align_center">17.1442 Hz</td><td class="align_center">0.0139</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of experimental results and updating results.

Shock and Vibration

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Table 10

Table 10: An Experimental Study of Structural Identification of Bridges Using the Kinetic Energy Optimization Technique and the Direct Matrix Updating Method 

Table 10 | An Experimental Study of Structural Identification of Bridges Using the Kinetic Energy Optimization Technique and the Direct Matrix Updating Method 