Alkali-Active Sand Slate Powder for Use as Mineral Admixture in Mass Hydraulic Concrete: Technical and Economic Analysis

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Testing age</td><td class="align_center">3 d</td><td class="align_center">7 d</td><td class="align_center">14 d</td><td class="align_center">21 d</td><td class="align_center">28 d</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Expansion rate of mortar (%)</td><td class="align_center">0.063</td><td class="align_center">0.161</td><td class="align_center"><b>0.229</b></td><td class="align_center">0.317</td><td class="align_center">0.359</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>AMBT detection results of sand slate parent rock.</div>

Advances in Materials Science and Engineering

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Table 2

Table 2: Alkali-Active Sand Slate Powder for Use as Mineral Admixture in Mass Hydraulic Concrete: Technical and Economic Analysis 