Study on Structural Service Performance of Heavy-Haul Railway Tunnel with Voided Base

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td class="align_left">Case</td><td class="align_center">Case 1</td><td class="align_center">Case 2</td><td class="align_center">Case 3</td><td class="align_center">Case 4</td><td class="align_center">Case 5</td><td class="align_center">Case 6</td><td class="align_center">Case 7</td><td class="align_center">Case 8</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_left">Peak values of maximum principal stress</td><td class="align_center">1.12</td><td class="align_center">1.20</td><td class="align_center">1.33</td><td class="align_center">1.41</td><td class="align_center">1.58</td><td class="align_center">1.65</td><td class="align_center">1.43</td><td class="align_center">1.44</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Peak values of maximum principal stress of the inverted arch (MPa).</div>

Advances in Civil Engineering

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Table 6

Table 6: Study on Structural Service Performance of Heavy-Haul Railway Tunnel with Voided Base 