Table 2 Height-span ratio data with various arch spacing conditions.

From: Novel evaluation method based on critical arch height as instability criterion for sustaining arch locked-segment-type slopes

Parameters

s (cm)

9

7

5

Arched crack

1st

2nd

3rd

1st

2nd

3rd

1st

2nd

3rd

f (cm)

1.9

2.6

5.0

1.8

2.4

4.3

1.2

2.0

4.0

l (cm)

10

11

13

9

10

11

6

8

9

f/l

0.19

0.24

0.38

0.2

0.24

0.39

0.2

0.25

0.44

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