Study on the Reinforcing Effects of the FRP-PCM Method on Tunnel Linings for Dynamic Strengthening

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/8926423/figures/8926423.fig.0015a.svgz" name="8926423.fig.0015a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>NATM</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/8926423/figures/8926423.fig.0015b.svgz" name="8926423.fig.0015b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>FM</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/8926423/figures/8926423.fig.0015c.svgz" name="8926423.fig.0015c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Cavity on the shoulder</td></tr><tr class="fig-image" id="d"><td><object data="https://static-preview.hindawi.com/articles/geofluids/volume-2021/8926423/figures/8926423.fig.0015d.svgz" name="8926423.fig.0015d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Cavity on the crown</td></tr></table>

<div>The variation of maximum axial stress on lining concrete.</div>

Geofluids

fig15

Figure 15

Figure 15: Study on the Reinforcing Effects of the FRP-PCM Method on Tunnel Linings for Dynamic Strengthening 