Stability Analysis of TBM Tunnel Undercrossing Existing High-Speed Railway Tunnel: A Case Study from Yangtaishan Tunnel of Shenzhen Metro Line 6

<div>Development trend of settlement at segment top and segment bottom of the existing tunnel with increasing excavation step. (a) Settlement of segment top. (b) Settlement of segment bottom.</div>

Advances in Civil Engineering

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Figure 15

Figure 15: Stability Analysis of TBM Tunnel Undercrossing Existing High-Speed Railway Tunnel: A Case Study from Yangtaishan Tunnel of Shenzhen Metro Line 6 

Figure 15 | Stability Analysis of TBM Tunnel Undercrossing Existing High-Speed Railway Tunnel: A Case Study from Yangtaishan Tunnel of Shenzhen Metro Line 6 