Table 6 Statistical table of seepage area ratio for inclined cracks.

From: Experimental study on seepage characteristics model of tunnel lining based on infrared imaging

Condition

Lining position

Flow rate (mL/min)

Seepage area ratio (%)

1

Vault

300

17.39

2

600

20.47

3

900

21.00

4

1200

19.25

5

Spandrel

300

27.11

6

600

30.18

7

900

41.18

8

1200

59.30

9

Haunch

300

21.20

10

600

23.28

11

900

28.43

12

1200

31.38