Performance of Retrofitted Self-Compacting Concrete-Filled Steel Tube Beams Using External Steel Plates

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Bolt type</td><td class="align_center">Diameter (mm)</td><td class="align_center">Length (mm)</td><td class="align_center">Yield strength (MPa)</td><td class="align_center">Tensile strength (MPa)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Grade 8.8</td><td class="align_center">6.3</td><td class="align_center">40</td><td class="align_center">640</td><td class="align_center">800</td></tr><tr><td class="align_left">Grade 12.9</td><td class="align_center">7.9</td><td class="align_center">45</td><td class="align_center">1100</td><td class="align_center">1220</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

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Table 5

Table 5: Performance of Retrofitted Self-Compacting Concrete-Filled Steel Tube Beams Using External Steel Plates 