Evaluation of Ground Surface Pregrouting in a Mountain Tunnel Based on FAHP

<figure class="figure-group responsive"><div class="sub-figure" id="a"><object data="https://static.hindawi.com/articles/mpe/volume-2019/2543584/figures/2543584.fig.0012a.svgz" name="2543584.fig.0012a" type="image/svg+xml"></object><div class="fig-label"><b>(a) </b>Increase rate of sound velocity in single-borehole test</div></div><div class="sub-figure" id="b"><object data="https://static.hindawi.com/articles/mpe/volume-2019/2543584/figures/2543584.fig.0012b.svgz" name="2543584.fig.0012b" type="image/svg+xml"></object><div class="fig-label"><b>(b) </b>Increase rate of sound velocity in double-borehole test</div></div><div class="sub-figure" id="c"><object data="https://static.hindawi.com/articles/mpe/volume-2019/2543584/figures/2543584.fig.0012c.svgz" name="2543584.fig.0012c" type="image/svg+xml"></object><div class="fig-label"><b>(c) </b>Decrease rate of permeability rate</div></div><div class="sub-figure" id="d"><object data="https://static.hindawi.com/articles/mpe/volume-2019/2543584/figures/2543584.fig.0012d.svgz" name="2543584.fig.0012d" type="image/svg+xml"></object><div class="fig-label"><b>(d) </b>Increase rate of the unconfined compressive strength</div></div></figure>

<p>Calculation of the four index memberships.</p>

Mathematical Problems in Engineering

fig12

Figure 12

Figure 12: Evaluation of Ground Surface Pregrouting in a Mountain Tunnel Based on FAHP 