Analysis of Support Design in Weak Rock Drift Using a Systematic Approach

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Level</td><td class="align_center">Deformation modulus <i>E</i><sub>mass</sub></td><td class="align_center">Tensile strength <i>σ</i><sub>tmass</sub></td><td class="align_center">Compressive strength <i>σ</i><sub>cmass</sub></td><td class="align_center">Friction angle <i>φ</i>′</td><td class="align_center">Cohesive strength <i>c′</i></td><td class="align_center">Poisson’s ratio <i>υ</i></td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Units</td><td class="align_center">GPa</td><td class="align_center">MPa</td><td class="align_center">MPa</td><td class="align_center">°</td><td class="align_center">MPa</td></tr><tr><td class="align_left">−320 m</td><td class="align_center">7.29</td><td class="align_center">0.0065</td><td class="align_center">3.95</td><td class="align_center">34.6</td><td class="align_center">0.80</td><td class="align_center">0.24</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The mechanics parameters of weak rock drift.</div>

Advances in Civil Engineering

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Table 4

Table 4: Analysis of Support Design in Weak Rock Drift Using a Systematic Approach 