Table 3 Rheological parameter values for the numerical analyses carried out with multiple combinations of values along the run-out path
Turbulent (T) | Voellmy (V) | Frictional (F) | Bingham (B) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sectional reach | Takahashi (1991) | T-t1 | T-t4 | V-t5 | V-t6 | V-t7 | F-t4 | B-t4 | B-t5 | |||||
n [-] | n [-] | n [-] | μ [-] | ξ[m/s2] | μ[-] | ξ[m/s2] | μ [-] | ξ[m/s2] | δ [°] | τy [kPa] | μB [kPa⋅s] | τy [kPa] | μB [kPa⋅s] | |
Triggering-2 | - | 0.04 | 0.04 | 0.05 | 2000 | 0.05 | 2000 | 0.03 | 2000 | 10 | 2 | 0.1 | 2 | 0.1 |
2-3 | 0.04 | 0.04 | 0.04 | 0.05 | 2000 | 0.05 | 2000 | 0.03 | 2000 | 7 | 1 | 0.1 | 1 | 0.05 |
3-5 | 0.04 | 0.04 | 0.04 | 0.05 | 2000 | 0.05 | 2000 | 0.03 | 2000 | 7 | 1 | 0.1 | 1 | 0.05 |
6′-7 | 0.04 | 0.04 | 0.04 | 0.05 | 2000 | 0.05 | 2000 | 0.03 | 2000 | 7 | 1 | 0.1 | 1 | 0.05 |
7′-8 | 0.04 | 0.04 | 0.04 | 0.05 | 2000 | 0.05 | 2000 | 0.03 | 2000 | 7 | 1 | 0.1 | 1 | 0.05 |
8-9 | 0.04 | 0.04 | 0.04 | 0.05 | 2000 | 0.05 | 2000 | 0.03 | 2000 | 7 | 1 | 0.1 | 1 | 0.05 |
9-9″ | 0.04 | 0.04 | 0.04 | 0.05 | 2000 | 0.05 | 2000 | 0.03 | 2000 | 7 | 1 | 0.1 | 1 | 0.05 |
9″-10 | 0.04 | 0.04 | 0.04 | 0.05 | 2000 | 0.05 | 2000 | 0.03 | 2000 | 7 | 1 | 0.1 | 1 | 0.05 |
10-10′ | 0.08 | 0.08 | 0.12 | 0.05 | 300 | 0.05 | 100 | 0.03 | 100 | 10 | 1 | 0.1 | 1 | 0.1 |
10′-12 | 0.13 | 0.13 | 0.12 | 0.05 | 300 | 0.05 | 100 | 0.03 | 100 | 10 | 1 | 0.1 | 1 | 0.1 |
12′-13 | 0.12 | 0.12 | 0.12 | 0.05 | 300 | 0.05 | 100 | 0.03 | 100 | 10 | 1 | 0.1 | 1 | 0.1 |
13-Deposition | - | 0.12 | 0.12 | 0.05 | 300 | 0.05 | 100 | 0.03 | 100 | 10 | 1 | 0.1 | 1 | 0.1 |