Research on Carbonation Characteristics and Frost Resistance of Iron Tailings Powder Concrete under Low-Cement Clinker System

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left">Chemical composition</td><td class="align_center">SiO<sub>2</sub></td><td class="align_center">Fe<sub>2</sub>O<sub>3</sub></td><td class="align_center">Al<sub>2</sub>O<sub>3</sub></td><td class="align_center">CaO</td><td class="align_center">MgO</td><td class="align_center">CuO</td><td class="align_center">ZnO</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">Mass fraction (%)</td><td class="align_center">67.59</td><td class="align_center">10.88</td><td class="align_center">4.57</td><td class="align_center">4.02</td><td class="align_center">1.18</td><td class="align_center">0.23</td><td class="align_center">0.11</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main chemical composition of iron tailings powder.</div>

Advances in Materials Science and Engineering

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Table 2

Table 2: Research on Carbonation Characteristics and Frost Resistance of Iron Tailings Powder Concrete under Low-Cement Clinker System 