Table 1 Morphological characteristic parameters of landslide dams.

From: Investigating the failure mechanisms of cascade landslide dams under overtopping conditions: an experimental approach

Dam ID

H/C

H/B

Su (°)

Sd (°)

Vd1/3/H

Vl1/3/H

L:H

Real-world dams (Shi et al.42)

0.20–3.00

0.02–1.00

11.00–45.00

11.00–45.00

0.50–5.00

0.20–10.00

17.60–222.00

Dam 1

1.20

0.29

36.87

36.87

1.53

2.77–3.17

20.83–35.00

Dam 2

1.10

0.28

36.87

36.87

1.60

3.37–3.69

1.00

0.27

1.67

3.61–3.94

Dam 3

1.00

0.27

36.87

36.87

1.67

3.61–3.94

  1. In the table, H is the dam height, C is the crest width, B is the dam bottom width, Su is the upstream slope angle, Sd is the downstream slope angle, Vd1/3/H is the dam shape coefficient, Vl1/3/H is the barrier lake form coefficient, and L/H is the step spacing coefficient.