Study on the Safety Thickness of Rock Strata for Outburst Prevention in Deep Tunnel Based on Numerical Modeling and Backpropagation Neural Network

<div>Changes in horizontal stress at the arch waist on the right side and vertical stress at the top of the vault under different widths of fault fracture zones.</div>

Geofluids

fig6

Figure 6

Figure 6: Study on the Safety Thickness of Rock Strata for Outburst Prevention in Deep Tunnel Based on Numerical Modeling and Backpropagation Neural Network 

Figure 6 | Study on the Safety Thickness of Rock Strata for Outburst Prevention in Deep Tunnel Based on Numerical Modeling and Backpropagation Neural Network 