Table 2 Summary of undrained triaxial tests (p0' = 100 kPa).

From: Undrained shear behavior of silty sand with a constant state parameter considering initial stress anisotropy effect

Series

fc (%)

e

Dr (%)

ψ

σv (kPa)

σh (kPa)

qs (kPa)

ηs

I

0

0.749

48.7

 − 0.125

100

100

0

0

0.782

38.4

 − 0.092

100

100

0

0

0.812

28.9

 − 0.062

100

100

0

0

0.826

24.5

 − 0.048

100

100

0

0

0.845

18.6

 − 0.029

100

100

0

0

0.844

18.9

 − 0.03

100

100

0

0

0.844

18.9

 − 0.03

127

87

40

0.4

0.844

18.9

 − 0.03

140

80

60

0.6

0.844

18.9

 − 0.03

73

113

 − 40

 − 0.4

II

5

0.702

48.3

 − 0.11

100

100

0

0

0.733

39.3

 − 0.079

100

100

0

0

0.784

24.6

 − 0.028

100

100

0

0

0.804

18.9

 − 0.008

100

100

100

0

0.826

12.4

0.014

100

100

0

0

0.782

25.1

 − 0.03

100

100

0

0

0.782

25.1

 − 0.03

127

87

40

0.4

0.782

25.1

 − 0.03

140

80

60

0.6

0.782

25.1

 − 0.03

73

113

 − 40

 − 0.4

III

10

0.686

43.5

 − 0.065

100

100

0

0

0.714

36.3

 − 0.037

100

100

0

0

0.734

31.2

 − 0.017

100

100

0

0

0.782

18.9

0.031

100

100

0

0

0.721

34.5

 − 0.03

100

100

0

0

0.721

34.5

 − 0.03

127

87

40

0.4

0.721

34.5

 − 0.03

140

80

60

0.6

0.721

34.5

 − 0.03

73

113

 − 40

 − 0.4

IV

20

0.608

49.1

 − 0.037

100

100

0

0

0.625

45.5

 − 0.02

100

100

0

0

0.639

42.5

 − 0.006

100

100

0

0

0.656

38.8

0.011

100

100

0

0

0.615

47.6

 − 0.03

100

100

0

0

0.615

47.6

 − 0.03

127

87

40

0.4

0.615

47.6

 − 0.03

140

80

60

0.6

0.615

47.6

 − 0.03

73

113

 − 40

− 0.4