Table 3 The prediction effect of different models for soil I

From: Study on dynamic resilient modulus prediction model of subgrade fine-grained soil based on physical property parameters

Test stress conditions

Dynamic modulus of resilience measured value (MPa)

Prediction error(%)

Body stresses θ (kPa)

Octahedral shear stress Ï„oct (kPa)

Specification of generic models

Model of this paper

75

14.14

94.78

− 12.55

2.36

120

35.36

88.86

16.89

− 4.35

120

14.14

97.96

17.34

6.12

165

35.36

95.77

− 11.34

− 10.35

165

14.14

102.02

17.76

7.56

190

25.93

100.81

− 14.34

3.89

240

49.50

82.30

− 11.80

− 2.32

210

14.14

105.85

− 7.11

4.35

235

25.93

105.30

6.47

3.98

Mean value of prediction error(%, absolute value)

12.84

5.03

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