A Study on Steel-Concrete-Steel Wall to Resist Perforation from Rigid Projectile Impact

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Object</td><td class="align_center" rowspan="2">Distance of tie bar (mm)</td><td class="align_center" colspan="2">Perforation velocity (m/s)</td><td class="align_center" rowspan="2">Deviation</td></tr><tr class="thead"><td class="align_center">Formula</td><td class="align_center">FEM</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left" rowspan="3">SCS-175-4T</td><td class="align_center">150</td><td class="align_center">130</td><td class="align_center">127</td><td class="align_center">2.26%</td></tr><tr><td class="align_center">75</td><td class="align_center">137</td><td class="align_center">135</td><td class="align_center">1.48%</td></tr><tr><td class="align_center">50</td><td class="align_center">149</td><td class="align_center">151</td><td class="align_center">−1.32%</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Perforation velocity comparison of SCS-175-4T with a different distance of tie bar for the blunt projectile.</div>

Shock and Vibration

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Table 4

Table 4: A Study on Steel-Concrete-Steel Wall to Resist Perforation from Rigid Projectile Impact 