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 right arch waist on the right side and vertical stress at the top of the vault under different water pressures.</div>

Geofluids

fig4

Figure 4

Figure 4: Study on the Safety Thickness of Rock Strata for Outburst Prevention in Deep Tunnel Based on Numerical Modeling and Backpropagation Neural Network 

Figure 4 | Study on the Safety Thickness of Rock Strata for Outburst Prevention in Deep Tunnel Based on Numerical Modeling and Backpropagation Neural Network 