Research on the Influence of Moisture Condition on the Mechanical Properties and Microstructure of Sandstone

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_center">Sample state</td><td class="align_center">Internal friction angle <i>φ</i> (°)</td><td class="align_center">Cohesion <i>c</i> (MPa)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Dry state</td><td class="align_center">52.13</td><td class="align_center">20.52</td></tr><tr><td class="align_left">Natural state</td><td class="align_center">48.21</td><td class="align_center">17.74</td></tr><tr><td class="align_left">Saturated state</td><td class="align_center">44.24</td><td class="align_center">12.36</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Cohesion and internal friction angle of sandstone in different states.</div>

Shock and Vibration

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Table 3

Table 3: Research on the Influence of Moisture Condition on the Mechanical Properties and Microstructure of Sandstone 