Research on Construction Optimization of Three-Connected-Arch Hydraulic Underground Cavities Considering Creep Property

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="967975.fig.0017a" src="https://static.hindawi.com/articles/mpe/volume-2014/967975/figures/967975.fig.0017a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Side cavity method</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="967975.fig.0017b" src="https://static.hindawi.com/articles/mpe/volume-2014/967975/figures/967975.fig.0017b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Middle cavity method</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="967975.fig.0017c" src="https://static.hindawi.com/articles/mpe/volume-2014/967975/figures/967975.fig.0017c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>PBA</td></tr></table></td></tr></table>

<table>Surrounding rock plastic zone expansion.</table>

Mathematical Problems in Engineering

fig17

Figure 17

Figure 17: Research on Construction Optimization of Three-Connected-Arch Hydraulic Underground Cavities Considering Creep Property 