Shear Strength of Unsaturated Soils - Unsaturated Soil Mechanics in Engineering Practice - page 574

1200

CW50-200
CW100-200
CW150-200
CW200-200
CW250-200
CW300-200

1000

800

600

400

200

0

0 5 10 15 20 25 30

Axial strain,

ε y (%)

(a)

4

CW50-200
CW100-200
CW150-200
CW200-200
CW250-200
CW300-200

2

0

− 2

− 4

0 5 10 15 20 25 30

Axial strain, ε y (%)

(b)

100

CW50-200
CW100-200
CW150-200
CW200-200
CW250-200
CW300-200

80

60

40

20

0

0 5 10 15 20 25 30

Axial strain, ε y (%)

(b)

Figure 11.71 Results of constant-water-content triaxial tests under different net confining
stresses but with the same initial matric suction of 200 kPa: (a) deviator stress versus strain;
(b) volume change versus strain; (c) change in pore-water pressure versus strain.