Table 8 Results for parameter regression analysis of dynamic resilient modulus prediction model.

From: Research on correlation between dynamic resilient modulus and CBR of coarse-grained chlorine saline soil

Test conditions

k1 = 21.063, k2 = 0.516

R2 = 0.893

Z (%)

ω (%)

Measured Average MR (MPa)

Predicted Average MR (MPa)

Residual error

Error (%)

0.0

4.0

153.73

150.86

2.87

1.87

 

5.1

147.41

138.49

8.92

6.05

 

6.0

138.47

132.51

5.96

4.31

2.0

4.0

133.35

139.65

6.30

4.73

 

5.1

130.24

126.27

3.97

3.05

 

6.0

121.13

117.00

4.13

3.41

5.0

4.0

114.67

124.98

10.31

8.99

 

5.1

108.33

109.94

1.61

1.49

 

6.0

100.61

97.66

2.95

2.93

8.0

4.0

95.83

109.94

14.11

14.73

 

5.1

89.73

92.66

2.93

3.27

 

6.0

85.42

75.86

9.56

11.19

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