Trajectory Analysis and Risk Evaluation of Dangerous Rock Mass Instability of an Overhang Slope, Southwest of China

<table class="table-group" id="tab12"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Serial number</td><td class="align_center">Risk level</td><td class="align_center">Risk index</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">I</td><td class="align_center">High</td><td class="align_center">6 ≤ <i>R</i><sub><i>i</i></sub> ≤ 9</td></tr><tr><td class="align_left">II</td><td class="align_center">Medium</td><td class="align_center">3 ≤ <i>R</i><sub><i>i</i></sub> &lt; 6</td></tr><tr><td class="align_left">III</td><td class="align_center">Low</td><td class="align_center">1 ≤ <i>R</i><sub><i>i</i></sub> &lt; 3</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Risk grade of dangerous rock mass.</div>

Advances in Civil Engineering

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Table 12

Table 12: Trajectory Analysis and Risk Evaluation of Dangerous Rock Mass Instability of an Overhang Slope, Southwest of China 