Research Article

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

Figure 17

Time-history curves of invert of characteristic DK25 + 870 and DK25 + 880 sections of the existing tunnel. (a) Section DK25 + 870. (b) Section DK25 + 880.
(a)
(b)