Application of Modified Hoek–Brown Strength Criterion in Water-Rich Soft Rock Tunnel

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Immersion time (d)</td><td class="align_center">The displacement using generalized Hoek-Brown strength criterion (mm)</td><td class="align_center">Displacement using Hoek-Brown strength criterion considering water-rich disturbance factor (mm)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">0</td><td class="align_center">43.51</td><td class="align_center">43.51</td></tr><tr><td class="align_left">360</td><td class="align_center">44.33</td><td class="align_center">54.53</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Calculation results of tunnel vault surrounding rock deformation.</div>

Geofluids

tab5

Table 5

Table 5: Application of Modified Hoek–Brown Strength Criterion in Water-Rich Soft Rock Tunnel 