Mechanical Properties of Polypropylene-Fiber-Reinforced High-Performance Concrete Based on the Response Surface Method

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Diameter (<i>μ</i>m)</td><td class="align_center">Length (mm)</td><td class="align_center">Density (g/mm<sup>3</sup>)</td><td class="align_center">Breaking strength (MPa)</td><td class="align_center">Breaking elongation (%)</td><td class="align_center">Melting point (°C)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">20</td><td class="align_center">12</td><td class="align_center">0.92</td><td class="align_center">579</td><td class="align_center">27.6</td><td class="align_center">161</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

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Table 3

Table 3: Mechanical Properties of Polypropylene-Fiber-Reinforced High-Performance Concrete Based on the Response Surface Method 