Research Article

Mechanical Behavior of Loess Tunnels Caused by Surface Water Joints Infiltration

Table 1

Working condition setting of loess joint seepage.

CaseLocation of the jointsNumber of jointsPermeability coefficient of joints

Case 1Vault12 × 10−3 m/s
Case 2Vault22 × 10−3 m/s
Case 3Vault32 × 10−3 m/s
Case 4Vault15 × 10−3 m/s
Case 5Arch shoulder15 × 10−3 m/s