Table 5 Cases of shield tunneling adjacent to operational subway tunnels in Beijing, Shenzhen and Guangzhou
Project no. | Tunnels be constructed | Tunnel crossing type | Existing tunnels | Source of citation |
|---|---|---|---|---|
21 | Subway tunnels on Line 8 of Beijing subway | Under-crossing | Guloudajie station of Line 2 | Jiang (2013) |
22 | Subway tunnels on Line 10 of Beijing subway | Under-crossing | Shaoyaoju station of Line 13 | Yang et al. (2009) |
23 | Subway tunnels on Line 3 of Shenzhen subway | Under-crossing in launching phase | Subway tunnels on Line 1 of Shenzhen subway | Fan (2014) |
24 | Line 11 running tunnel of Shenzhen subway | Above-crossing | Line 1 running tunnels | Li et al. (2014) |
25 | Line 2 tunnels of Shenzhen subway | Under-crossing at a skew of about 55° | Line 1 tunnels | Li and Yuan (2012) |
26 | Line 2 tunnels of Shenzhen subway | Under-crossing at a skew of about 20°–23° and along a 350 m radius curve | Line 1 tunnels | Li and Chen (2012) |
27 | Line 6 running tunnel of Guangzhou subway along a 250Â m radius curve | Under-crossing | Huangsha station of Line 1 | Wang et al. (2011) |