Utilization of Construction Waste Composite Powder Materials as Cementitious Materials in Small-Scale Prefabricated Concrete

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Components</td><td class="align_center">CaO</td><td class="align_center">Al<sub>2</sub>O<sub>3</sub></td><td class="align_center">Fe<sub>2</sub>O<sub>3</sub></td><td class="align_center">SiO<sub>2</sub></td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_center">Content (wt%)</td><td class="align_center">21.7∼25.5</td><td class="align_center">15.8∼18.5</td><td class="align_center">2.6∼4</td><td class="align_center">42.5∼37.5</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Materials Science and Engineering

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Table 4

Table 4: Utilization of Construction Waste Composite Powder Materials as Cementitious Materials in Small-Scale Prefabricated Concrete 