Testing and Evaluation of Hard Sandstone Aggregate in Hot Mix Asphalt

<table class="table-group" id="tab12"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Type of aggregate</td><td class="align_center">Limestone</td><td class="align_center">Hard sandstone</td><td class="align_center">Limestone [<a href="/journals/amse/2024/2395548/#B16" target="_blank">16</a>]</td><td class="align_center">Sandstone [<a href="/journals/amse/2024/2395548/#B16" target="_blank">16</a>]</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Surface energy</td><td class="align_center">56.48</td><td class="align_center">60.01</td><td class="align_center">64.99</td><td class="align_center">68.33</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Surface free energy of hard sandstone aggregate and limestone aggregate (mJ/m<sup>2</sup>).</div>

Advances in Materials Science and Engineering

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Table 12

Table 12: Testing and Evaluation of Hard Sandstone Aggregate in Hot Mix Asphalt 