Study on Mechanical Properties of Concrete-Filled Steel Tubular Members under Axial Tension

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Strength level</td><td class="align_center">C30</td><td class="align_center">C40</td><td class="align_center">C50</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left"><i>f</i><sub>cu·<i>k</i></sub> (MPa)</td><td class="align_center">31.3</td><td class="align_center">39.6</td><td class="align_center">52.0</td></tr><tr><td class="align_left"><i>E</i><sub><i>c</i></sub> (GPa)</td><td class="align_center">23.50</td><td class="align_center">26.96</td><td class="align_center">30.28</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

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Table 3

Table 3: Study on Mechanical Properties of Concrete-Filled Steel Tubular Members under Axial Tension 