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.006a.svgz" name="2543584.fig.006a" type="image/svg+xml"></object><div class="fig-label"><b>(a) </b>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.006b.svgz" name="2543584.fig.006b" type="image/svg+xml"></object><div class="fig-label"><b>(b) </b>Double-borehole test</div></div></figure>

<p>Schematic of the test of ultrasonic waves.</p>

Mathematical Problems in Engineering

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Figure 6

Figure 6: Evaluation of Ground Surface Pregrouting in a Mountain Tunnel Based on FAHP 