Analysis of Pipe-Roof in Tunnel Exiting Portal by the Foundation Elastic Model

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2017/9387628/figures/9387628.fig.0012a.svgz" name="9387628.fig.0012a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Deflection with different excavation</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2017/9387628/figures/9387628.fig.0012b.svgz" name="9387628.fig.0012b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The maximum deflection with excavation</td></tr></table>

<div>Variation curve of pipe-roof deflection with tunnel excavation footage.</div>

Mathematical Problems in Engineering

fig12

Figure 12

Figure 12: Analysis of Pipe-Roof in Tunnel Exiting Portal by the Foundation Elastic Model 