320
Proceedings of the 18
th
International Conference on Soil Mechanics and Geotechnical Engineering, Paris 2013
ASTM Standard D3080. (2011). "Standard test method for direct shear
test of soil under consolidated drained conditions." ASTM
International.
West
Conshohocken,
PA.
2011.
DOI:
10.1520/D3080_D3080M-11.
.
Figure 3. CD direct shear and CU triaxial test results on remolded test
specimens.
Colorado Clay
Figure 4. Undisturbed soil specimen before and after drying.
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Effective Normal Stress (kPa)
0
100
200
300
400
0
50
100
150
200
Shear Stress (kPa)
CD Direct Shear
CU Triaxial
CD Direct Shear
a = 0.601
b = 0.924
a = 0.646
b = 0.905
CU Triaxial
NOVA Clay
Effective Normal Stress (kPa)
0
100
200
300
400
0
50
100
150
200
Shear Stress (kPa)
CD Direct Shear
CU Triaxial
CD Direct Shear
a = 0.533
b = 0.838
a = 0.528
b = 0.783
CU Triaxial
VBC
Effective Normal Stress (kPa)
0
100
200
300
400
0
50
100
150
200
Shear Stress (kPa)
CD Direct Shear
CU Triaxial
CD Direct Shear
a = 0.461
b = 0.767
a = 0.427
b = 0.729
CU Triaxial
