粒径(mm)

黏聚力拟合方程

内摩擦角拟合方程

<0.1

y = 1.8551x² − 8.1927x + 21.44, R² = 0.9538

y = 0.5313x² − 3.3158x + 20.441, R² = 0.5337

0.10~0.25

y = 1.5795x² − 6.4026x + 17.29, R² = 0.8492

y = 0.5657x² − 2.8007x + 20.613, R² = 0.7984

0.25~0.50

y = 1.6637x² − 6.427x + 17.1, R² = 0.8177

y = 0.9357x² − 5.5793x + 25.02, R² = 0.9327

0.50~1.00

y = 1.6195x² − 6.3069x + 17.5, R² = 0.8533

y = 0.5585x² −3.1265x + 22.029, R² = 0.7985

1.00~2.00

y = 3.3933x² − 17.692x + 28.42, R² = 0.9652

y = 0.282x² − 2.1915x + 23.959, R² = 0.2485