Experimental Study on the Ratio of Similar Materials in Weak Surrounding Rock Based on Orthogonal Design

<table class="fixed-width table-group" id="tab1"><tr><td><table class="table"><colgroup><col style="width:5.22em"/><col style="width:7.69em"/><col style="width:11.78em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Material</td><td class="align_center">Cohesion (KPa)</td><td class="align_center">Internal Friction Angle (°)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Prototype</td><td class="align_center">30.0</td><td class="align_center">23.0</td></tr><tr><td class="align_left">Model</td><td class="align_center">1.0</td><td class="align_center">23.0</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main mechanical parameters of similar material prototypes and models.</div>

Journal of Engineering

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Table 1

Table 1: Experimental Study on the Ratio of Similar Materials in Weak Surrounding Rock Based on Orthogonal Design 