The Progressive Failure Mechanism of the Tunnel-Slope System under Rainfall: An Experimental Investigation

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Name</td><td class="align_center">Material</td><td class="align_center">Ratio</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Bedrock</td><td class="align_center">Clay, lime</td><td class="align_center">7 : 3</td></tr><tr><td class="align_left">Slope</td><td class="align_center">Medium sand, clay, talcum powder, water</td><td class="align_center">11 : 3 : 4 : 2</td></tr><tr><td class="align_left">Sliding zone</td><td class="align_center">Laying talcum powder and water with double-layer plastic film</td><td class="align_center">2 : 1</td></tr><tr><td class="align_left">Tunnel lining</td><td class="align_center">PVC pipe</td><td class="align_center">With a dimeter of 15 cm</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The proportion of similar soil materials.</div>

Geofluids

tab1

Table 1

Table 1: The Progressive Failure Mechanism of the Tunnel-Slope System under Rainfall: An Experimental Investigation 