Table 5 Comparison on the radial displacement of side wall and the circumferential stress of vault.
From: An new elastic–plastic analytical solution of circular tunnel under non-axisymmetric conditions
Methods | Location | ||||||
---|---|---|---|---|---|---|---|
Radial displacement of side wall (mm) | Circumferential stress of vault (MPa) | ||||||
M1 | M4 | M5 | M1 | M4 | M5 | ||
Deformation modulus (GPa) | 250 | 243.57 | 243.50 | 276.50 | 19.88 | 18.55 | 17.48 |
500 | 126.80 | 121.75 | 138.30 | 19.88 | 18.55 | 17.48 | |
1000 | 63.70 | 60.88 | 69.08 | 19.88 | 18.55 | 17.48 | |
6000 | 10.53 | 10.15 | 11.53 | 19.88 | 18.55 | 17.48 | |
Buried depths (m) | 30 | 0.71 | 0.83 | 1.06 | 2.39 | 2.33 | 2.05 |
100 | 2.59 | 2.42 | 3.56 | 6.99 | 6.55 | 5.85 | |
200 | 6.15 | 5.88 | 7.52 | 13.38 | 12.99 | 11.76 | |
300 | 10.53 | 10.15 | 11.53 | 19.88 | 18.55 | 17.48 | |
Lateral pressure coefficient | 1.5 | 10.53 | 10.15 | 11.53 | 19.88 | 18.55 | 17.48 |
2.0 | 16.17 | 13.44 | 16.14 | 26.94 | 24.15 | 22.96 | |
2.5 | 22.58 | 16.15 | 20.92 | 32.88 | 30.29 | 27.87 | |
3.0 | 29.49 | 18.23 | 26.24 | 38.57 | 36.94 | 34.04 |