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

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Level</td><td class="align_center" colspan="6">Rating</td><td class="align_center" rowspan="2"><i>Q</i></td><td class="align_center" rowspan="2">GSI</td></tr><tr class="thead"><td class="align_center">RQD</td><td class="align_center">Jn</td><td class="align_center">Jr</td><td class="align_center">Ja</td><td class="align_center">Jw</td><td class="align_center">SRF</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_left">−320 m</td><td class="align_center">35</td><td class="align_center">15</td><td class="align_center">2.0</td><td class="align_center">4.0</td><td class="align_center">1</td><td class="align_center">5</td><td class="align_center">0.23</td><td class="align_center">41</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Rock mass classification results by using Q-system and GSI-system in the drift.</div>

Advances in Civil Engineering

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Table 3

Table 3: Analysis of Support Design in Weak Rock Drift Using a Systematic Approach 