Table 4 Comparison on the radial displacement of vault (mm).

From: An new elastic–plastic analytical solution of circular tunnel under non-axisymmetric conditions

Methods

Lateral pressure coefficient

0.5

1

1

4

Maximum error (%)

1

4

Maximum error (%)

Internal load (MPa)

0.0

6.10

6.06

1

6.46

6.05

6

0.1

5.84

5.63

4

6.01

5.67

6