Flexural Behaviour of Unbonded Posttensioned Concrete Beam Strengthened with Aluminium Alloy Plates

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Specification</td><td class="align_center">Ultimate strength (MPa)</td><td class="align_center">Yield strength (MPa)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">C8</td><td class="align_center">575</td><td class="align_center">402</td></tr><tr><td class="align_left">C12</td><td class="align_center">575</td><td class="align_center">402</td></tr><tr><td class="align_left">C22</td><td class="align_center">629</td><td class="align_center">405</td></tr><tr><td class="align_left">C25</td><td class="align_center">672</td><td class="align_center">489</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mechanical properties of non-prestressed reinforcements.</div>

Mathematical Problems in Engineering

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Table 4

Table 4: Flexural Behaviour of Unbonded Posttensioned Concrete Beam Strengthened with Aluminium Alloy Plates 