Research Article

Development of Debris Flow Impact Force Models Based on Flume Experiments for Design Criteria of Soil Erosion Control Dam

Table 1

Overview of mean (±the standard error of the mean) sediment mixture properties.

Volume indexViscosity indexTotal volume (10−3 m3)Weight (kg)Density (kg m−3)Clay (kg)Sand (kg)Gravel (kg)Water (10−3 m3)

SA5.02 ± 0.038.40 ± 0.031672.38 ± 0.031.80 ± 0.031.80 ± 0.031.80 ± 0.033.00
B5.04 ± 0.028.40 ± 0.021667.67 ± 0.022.10 ± 0.022.10 ± 0.021.20 ± 0.023.00
C5.04 ± 0.038.40 ± 0.031668.35 ± 0.032.40 ± 0.032.40 ± 0.030.60 ± 0.033.00

MA6.74 ± 0.0311.20 ± 0.031661.37 ± 0.032.40 ± 0.032.40 ± 0.032.40 ± 0.034.00
B6.59 ± 0.0711.20 ± 0.071701.43 ± 0.072.80 ± 0.072.80 ± 0.071.60 ± 0.074.00
C6.61 ± 0.0411.20 ± 0.041694.24 ± 0.043.20 ± 0.043.20 ± 0.040.80 ± 0.044.00

LA8.34 ± 0.0214.00 ± 0.021679.52 ± 0.023.00 ± 0.023.00 ± 0.023.00 ± 0.025.00
B8.37 ± 0.0214.00 ± 0.021672.15 ± 0.023.50 ± 0.023.50 ± 0.022.00 ± 0.025.00
C8.36 ± 0.0414.00 ± 0.041675.18 ± 0.044.00 ± 0.044.00 ± 0.041.00 ± 0.045.00

“S, M, and L” mean different volume conditions (about 5.03 × 10−3 m3, 6.64 × 10−3 m3, and 8.35 × 10−3 m3, respectively) and “A, B, and C” mean different clay contents (about 21%, 25%, and 29% of total weight, respectively).