Experimental Study and Microscopic Analysis on Frost Resistance of Iron Ore Tailings Recycled Aggregate Concrete

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Kinds</td><td class="align_center">Packing density (Kg/m<sup>3</sup>)</td><td class="align_center">Moisture content (%)</td><td class="align_center">Mud content (%)</td><td class="align_center">Apparent density (Kg/m<sup>3</sup>)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">RCA</td><td class="align_center">1500</td><td class="align_center">2</td><td class="align_center">2</td><td class="align_center">2300</td></tr><tr><td class="align_left">NCA</td><td class="align_center">1390</td><td class="align_center">0.15</td><td class="align_center">0.15</td><td class="align_center">2660</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Major performances of RCA and NCA.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Experimental Study and Microscopic Analysis on Frost Resistance of Iron Ore Tailings Recycled Aggregate Concrete 