Monitoring Instantaneous Dynamic Displacements of Masonry Walls in Seismic Oscillation Outdoors by Monocular Digital Photography

<table class="fixed-width table-group" id="tab7"><tr><td><table class="table"><colgroup><col style="width:7.37em"/><col style="width:4.74em"/><col style="width:4.97em"/><col style="width:4.81em"/><col style="width:4.74em"/><col style="width:4.62em"/><col style="width:3.98em"/></colgroup><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Adjacent layers</td><td class="align_center">U31-U32</td><td class="align_center">U33-U34</td><td class="align_center">U21-U22</td><td class="align_center">U18-U19</td><td class="align_center">U10-U11</td><td class="align_center">U7-U8</td></tr><tr><td class="align_left" colspan="7"><hr/></td></tr><tr><td class="align_left">Difference</td><td class="align_center">4.31</td><td class="align_center">6.02</td><td class="align_center">3.15</td><td class="align_center">4.33</td><td class="align_center">3.06</td><td class="align_center">2.65</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Maximum displacement differences (/mm) in the Z-direction between the adjacent layers.</div>

Mathematical Problems in Engineering

tab7

Table 7

Table 7: Monitoring Instantaneous Dynamic Displacements of Masonry Walls in Seismic Oscillation Outdoors by Monocular Digital Photography 