Utilization of Waste Incineration Bottom Ash to Enhance Engineering Properties of Expansive Subgrade Soils

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameters</td><td class="align_center">Chemical composition of waste incineration bottom ash (%)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">SiO<sub>2</sub></td><td class="align_center">15.22</td></tr><tr><td class="align_left">Al<sub>2</sub>O<sub>3</sub></td><td class="align_center">3.98</td></tr><tr><td class="align_left">Fe<sub>2</sub>O<sub>3</sub></td><td class="align_center">2.24</td></tr><tr><td class="align_left">CaO</td><td class="align_center">42.62</td></tr><tr><td class="align_left">MgO</td><td class="align_center">0.72</td></tr><tr><td class="align_left">Na<sub>2</sub>O</td><td class="align_center">0.36</td></tr><tr><td class="align_left">K<sub>2</sub>O</td><td class="align_center">&lt;0.01</td></tr><tr><td class="align_left">MnO</td><td class="align_center">0.04</td></tr><tr><td class="align_left">P<sub>2</sub>O<sub>5</sub></td><td class="align_center">0.17</td></tr><tr><td class="align_left">TiO<sub>2</sub></td><td class="align_center">0.05</td></tr><tr><td class="align_left">H<sub>2</sub>O</td><td class="align_center">0.86</td></tr><tr><td class="align_left">LOI</td><td class="align_center">33.88</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Chemical composition of waste incineration bottom ash.</div>

Advances in Civil Engineering

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Table 3

Table 3: Utilization of Waste Incineration Bottom Ash to Enhance Engineering Properties of Expansive Subgrade Soils 