Mechanical Behavior of Loess Tunnels Caused by Surface Water Joints Infiltration

Figure 7

Seepage field after 4, 8, and 12 hours of infiltration in Case 4. (a) Seepage field after 4 hours. (b) Seepage field after 8 hours. (c) Seepage field after 12 hours.

(a)

(b)

(c)