Characteristics of the In Situ Stress Field and Engineering Effect along the Lijiang to Shangri-La Railway on the Southeastern Tibetan Plateau, China

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left"><i>σ</i><sub><i>θ</i></sub>/<i>R</i><sub>c</sub></td><td class="align_center">Grade</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">0.20∼0.30</td><td class="align_center">Weak</td></tr><tr><td class="align_left">0.30∼0.55</td><td class="align_center">Moderate</td></tr><tr><td class="align_left">≥0.55</td><td class="align_center">Strong</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div><i>σ</i><sub><i>θ</i></sub> is the tangential stress of the surrounding rocks (<i>σ</i><sub><i>θ</i></sub> = 3<i>σ</i><sub>1</sub>–<i>σ</i><sub>3</sub>), and <i>R</i><sub>c</sub> is the compressive strength of the rocks.<br/></div></td></tr></table>

<div>Russenes criterion of rock burst [<a href="/journals/ace/2021/6652790/#B40" target="_blank">40</a>].</div>

Advances in Civil Engineering

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Table 3

Table 3: Characteristics of the In Situ Stress Field and Engineering Effect along the Lijiang to Shangri-La Railway on the Southeastern Tibetan Plateau, China 

Table 3 | Characteristics of the In Situ Stress Field and Engineering Effect along the Lijiang to Shangri-La Railway on the Southeastern Tibetan Plateau, China 