Investigation of Engineering Properties and Solidification Mechanism of Loess by Sodium Silicate Alkali-Activated Coal Gangue Powder

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Na<sub>2</sub>O (%)</td><td class="align_center">SiO<sub>2</sub> (%)</td><td class="align_center">Modulus</td><td class="align_center">Stack density</td><td class="align_center">Whiteness (%)</td><td class="align_center">Dissolution rate S (60°C, 1%)</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">21.73</td><td class="align_center">60.44</td><td class="align_center">2.87</td><td class="align_center">0.55</td><td class="align_center">91.34</td><td class="align_center">77</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main chemical composition of sodium silicate.</div>

Advances in Civil Engineering

tab3

Table 3

Table 3: Investigation of Engineering Properties and Solidification Mechanism of Loess by Sodium Silicate Alkali-Activated Coal Gangue Powder 