Analysis of Face Stability during Excavation of Double-O-Tube Shield Tunnel

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="781968.fig.006a" src="https://static-preview.hindawi.com/articles/tswj/volume-2013/781968/figures/781968.fig.006a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Three-dimensional meshes   </td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="781968.fig.006b" src="https://static-preview.hindawi.com/articles/tswj/volume-2013/781968/figures/781968.fig.006b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Meshes of the excavation unit </td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="781968.fig.006c" src="https://static-preview.hindawi.com/articles/tswj/volume-2013/781968/figures/781968.fig.006c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Meshes of the lining unit</td></tr></table></td></tr></table>

<table>Meshes of the computing model. </table>

The Scientific World Journal

fig6

Figure 6

Figure 6: Analysis of Face Stability during Excavation of Double-O-Tube Shield Tunnel 