Sensitivity Analysis of Mechanical Parameters of Different Rock Layers to the Stability of Coal Roadway in Soft Rock Strata

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="869040.fig.0010a" src="https://static.hindawi.com/articles/tswj/volume-2013/869040/figures/869040.fig.0010a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Effect of cohesion force <i>C </i><sub><i>f</i></sub></td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="869040.fig.0010b" src="https://static.hindawi.com/articles/tswj/volume-2013/869040/figures/869040.fig.0010b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Effect of friction angle <i><i>φ</i> </i><sub><i>f</i></sub></td></tr></table></td></tr></table>

<table>Changes of tunnel displacements with strength parameters of soft floor.</table>

The Scientific World Journal

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Figure 10

Figure 10: Sensitivity Analysis of Mechanical Parameters of Different Rock Layers to the Stability of Coal Roadway in Soft Rock Strata 