Research on the Corrosion Damage Mechanism of Concrete in Two Freeze–Thaw Environments

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Material</td><td class="align_center" rowspan="2">Specific surface area (m<sup>2</sup>·kg<sup>−1</sup>)</td><td class="align_center" rowspan="2">Loss</td><td class="align_center" rowspan="2">SO<sub>3</sub></td><td class="align_center" rowspan="2">Water demand ratio</td><td class="align_center" colspan="2">Activity index</td></tr><tr class="thead"><td class="align_center">7 d</td><td class="align_center">28 d</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Slag</td><td class="align_center">405</td><td class="align_center">0.17</td><td class="align_center">0.11</td><td class="align_center">97</td><td class="align_center">76</td><td class="align_center">103</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Basic physical properties of slag (in percentage).</div>

Advances in Civil Engineering

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Table 5

Table 5: Research on the Corrosion Damage Mechanism of Concrete in Two Freeze–Thaw Environments 