Shear Behavior of RC Beams Strengthened by External Vertical Prestressing Rebar

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Type</td><td class="align_center">Diameter (mm)</td><td class="align_center">Yield strength <i>f</i><sub><i>y</i></sub> (MPa)</td><td class="align_center">Ultimate strength <i>f</i><sub><i>u</i></sub> (MPa)</td><td class="align_center">Elastic modulus <i>E</i><sub><i>s</i></sub> (MPa)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">EVPR</td><td class="align_center">14</td><td class="align_center">300</td><td class="align_center">515</td><td class="align_center">2.1 × 10<sup>5</sup></td></tr><tr><td class="align_left">Stirrup</td><td class="align_center">12</td><td class="align_center">445</td><td class="align_center">630</td><td class="align_center">2.0 × 10<sup>5</sup></td></tr><tr><td class="align_left">Longitudinal reinforcement</td><td class="align_center">22</td><td class="align_center">455</td><td class="align_center">670</td><td class="align_center">2.0 × 10<sup>5</sup></td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Properties of steel bars [<a href="/journals/ace/2021/5483436/#B27" target="_blank">27</a>].</div>

Advances in Civil Engineering

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Table 3

Table 3: Shear Behavior of RC Beams Strengthened by External Vertical Prestressing Rebar 