Field Experimental Study on the Broken Rock Zone of Surrounding Rock and the Rock Borehole Shear Tests of the Large Deformation Tunnel

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">DK (distance kilometer)</td><td class="align_center">Number of measuring points</td><td class="align_center">Broken rock zone (meter)</td><td class="align_center">Average (meter)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left" rowspan="2">41 + 990</td><td class="align_center">A</td><td class="align_center">4.10</td><td class="align_center" rowspan="2">4.20</td></tr><tr><td class="align_center">B</td><td class="align_center">4.30</td></tr><tr><td class="align_left" rowspan="2">42 + 000</td><td class="align_center">C</td><td class="align_center">4.40</td><td class="align_center" rowspan="2">4.45</td></tr><tr><td class="align_center">D</td><td class="align_center">4.50</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The results of broken rock zone tests.</div>

Advances in Materials Science and Engineering

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Table 1

Table 1: Field Experimental Study on the Broken Rock Zone of Surrounding Rock and the Rock Borehole Shear Tests of the Large Deformation Tunnel 