Table 1 Measured strength parameters used in the literature.

From: Numerical model of debris flow susceptibility using slope stability failure machine learning prediction with metaheuristic techniques trained with different algorithms

References

Measured parameters

Study area

FOS

C

Φ

ή

E

Ɵ

H

I

γ

µ

Nguyen et al.29

24.6 kPa

18.2°–35.0°

7.25E + 4

15°–25°

 

Martinez35

0

0.162–0.740 Pa s

 

Nguyen et al. 36

0 to 100

10.2°–32.0°

10.7–150 MPa

15°–45°

18.3–27.0 kN/m3

 

Vietnam

0.93

Woldesenbet et al.47

40.71–67.02

15.12°–26.62°

1.5–200 MPa

1.232°–43.230°

14.03–21.66 kN/m3

 

Ethiopia

1.437

Melo et al.45

0.8–0.9

9°–21°

0.8–1.0 Pa s

0.1 m

9.8–26 kN/m3

 

Portuguese

Moreno et al27

2 Pa s

0.074–11 m

 

East Texas, United

States

Quan Luna et al.28

5.32 m2 S–1

0.15–3.70 m

 

Valtellina Valley (Lombardy Region, Northern Italy)

1

Negishi et al.37

10.0 Pa s

1.5 * 102

to 7.5* 102 MPa

 

Bingham

Kondo et al.38

1000.0 Pa s

1000 MPa

0.01–0.04 m

 

Sváček39

10–3 Pa s

 

 

Qingyun et al.41

0.001 Pa·s

23–200 GPa

0.1–2 m

0.0027 m

 

Kyushu, Japan

Rendina et al.44

100 to 5 * 105 Pa s

1 m

 

Whipple49

15 ± 2 Pa s to 876 ± 31 Pa s

 

Kwan et al.33

12° to 15°

2–500 MPa

30°

 

Veltheima

1

Bašić et al.30

60°

0.65 m

 

Bingham

C. E. Martinez35

0.1–0.2 Pa s

6°–11.3°

0.572 m

2.77

 

Venezuela

0.9

Bokharaeian, Naderi, and Csámer42

0.2 m

 

Hemeda48

80 m

 

Luxor, Egypt

  1. where C—cohesion; Φ—internal friction angle; µ—Poisson’s ratio; ή—Viscosity; E—Young’s modulus; Ɵ—slope angle; H—height of slope; γ—unit weight; FOS—factor of safety.