Key Techniques and Risk Management for the Application of the Pile-Beam-Arch (PBA) Excavation Method: A Case Study of the Zhongjie Subway Station

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="275362.fig.007a" src="https://static-preview.hindawi.com/articles/tswj/volume-2014/275362/figures/275362.fig.007a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Contour of ground settlement after excavation</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="275362.fig.007b" src="https://static-preview.hindawi.com/articles/tswj/volume-2014/275362/figures/275362.fig.007b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Horizontal displacement of stratum after excavation</td></tr></table></td></tr></table>

<table>Displacement field obtained from the numerical simulation.</table>

The Scientific World Journal

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Figure 7

Figure 7: Key Techniques and Risk Management for the Application of the Pile-Beam-Arch (PBA) Excavation Method: A Case Study of the Zhongjie Subway Station 

Figure 7 | Key Techniques and Risk Management for the Application of the Pile-Beam-Arch (PBA) Excavation Method: A Case Study of the Zhongjie Subway Station 