Experimental Study on the Softening Characteristics of Sandstone and Mudstone in Relation to Moisture Content

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left">Rock type</td><td class="align_center">Quartz</td><td class="align_center">Calcium silicate</td><td class="align_center">Kaolinite</td><td class="align_center">Feldspar</td><td class="align_center">Chlorite</td><td class="align_center">Illite</td><td class="align_center">Others</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">Mudstone</td><td class="align_center">27.70</td><td class="align_center">—</td><td class="align_center">56.10</td><td class="align_center">—</td><td class="align_center">—</td><td class="align_center">11.20</td><td class="align_center">5.00</td></tr><tr><td class="align_left">Sandstone</td><td class="align_center">70.20</td><td class="align_center">27.10</td><td class="align_center">—</td><td class="align_center">—</td><td class="align_center">—</td><td class="align_center">—</td><td class="align_center">2.70</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Minerals composition of mudstone and sandstone (%).

Shock and Vibration

tab1

Table 1

Table 1: Experimental Study on the Softening Characteristics of Sandstone and Mudstone in Relation to Moisture Content 