Analysis of External Water Pressure for a Tunnel in Fractured Rocks

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2017/8618613/figures/8618613.fig.0011a.svgz" name="8618613.fig.0011a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Pressure of water diversion system in powerhouse A</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2017/8618613/figures/8618613.fig.0011b.svgz" name="8618613.fig.0011b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Pressure of water diversion system in powerhouse B</td></tr></table>

<div>External water pressure changes with time when the waterway system was vented with normal reinforced concrete.</div>

Geofluids

fig11

Figure 11

Figure 11: Analysis of External Water Pressure for a Tunnel in Fractured Rocks 