Experimental Research on Quick Structural Health Monitoring Technique for Bridges Using Smartphone

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Location</td><td class="align_center">1 (left)</td><td class="align_center">2 (mid)</td><td class="align_center">3 (right)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Natural frequency (Hz)</td><td class="align_center"> </td><td class="align_center"> </td><td class="align_center"> </td></tr><tr><td class="align_left"> Accelerometer</td><td class="align_center">4.56</td><td class="align_center">4.57</td><td class="align_center">4.58</td></tr><tr><td class="align_left"> Smartphone (Orion-CC)</td><td class="align_center">4.58</td><td class="align_center">4.56</td><td class="align_center">4.57</td></tr><tr><td class="align_left">Error (%)</td><td class="align_center">0.44</td><td class="align_center">0.22</td><td class="align_center">0.22</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of natural frequency identified from acceleration measurements.

Advances in Materials Science and Engineering

tab6

Table 6

Table 6: Experimental Research on Quick Structural Health Monitoring Technique for Bridges Using Smartphone 