Research on the Evolution Mechanism of Large Deformation of Expansive Loess Tunnel under Rainfall

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Elastic modulus (GPa)</td><td class="align_center">Poisson’s ratio</td><td class="align_center">Cross-sectional area (mm<sup>2</sup>)</td><td class="align_center">Moment of inertia (m<sup>4</sup>)</td><td class="align_center">Support spacing (m)</td><td class="align_center">Maximum failure strain</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">210</td><td class="align_center">0.25</td><td class="align_center">3958</td><td class="align_center">2.5 × 10<sup>−5</sup></td><td class="align_center">0.6</td><td class="align_center">0.005</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Supporting parameters of steel sets.</div>

Mathematical Problems in Engineering

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Table 3

Table 3: Research on the Evolution Mechanism of Large Deformation of Expansive Loess Tunnel under Rainfall 