Analysis of Plastic Zone and Pressure Variance Features of Surrounding Rock of High-Altitude Macker Tunnel: A Case Study in Jiangluling Macker Tunnel in Qinghai

<div>Layout of stress measuring points of the surrounding rock, the borehole depth <i>L</i> = 8.0 m and aperture Φ70 mm.</div>

Advances in Civil Engineering

fig7

Figure 7

Figure 7: Analysis of Plastic Zone and Pressure Variance Features of Surrounding Rock of High-Altitude Macker Tunnel: A Case Study in Jiangluling Macker Tunnel in Qinghai 

Figure 7 | Analysis of Plastic Zone and Pressure Variance Features of Surrounding Rock of High-Altitude Macker Tunnel: A Case Study in Jiangluling Macker Tunnel in Qinghai 