Influence of Humic Acid on the Strength of Cement-Soil and Analysis of Its Microscopic Mechanism

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Test soil</td><td class="align_center">Natural moisture content (%)</td><td class="align_center">Liquid limit (%)</td><td class="align_center">Plastic limit (%)</td><td class="align_center">Plasticity index</td><td class="align_center">Natural density (g·cm<sup>−3</sup>)</td><td class="align_center">Specific gravity of soil particle (<i>G</i><sub><i>s</i></sub>)</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Cohesive soil</td><td class="align_center">18.6</td><td class="align_center">39.2</td><td class="align_center">23.0</td><td class="align_center">16.2</td><td class="align_center">1.96</td><td class="align_center">2.73</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

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Table 1

Table 1: Influence of Humic Acid on the Strength of Cement-Soil and Analysis of Its Microscopic Mechanism 