Table 1.
Basic physical properties of the three types of loess.
Fig 1.
Structure and composition of the true triaxial instrument in Xi ‘an University of Technology [12,13].
Fig 2.
Fig 3.
π plane failure lines [11] of several structural loess.
Fig 4.
Yield function on a plane.
Fig 5.
Schematic diagram of the relationship between soil structure and strength failure surface.
Fig 6.
Critical state line of structurally damaged soil.
Fig 7.
Schematic diagram of critical state between structurally damaged soil and normal consolidated soil.
Fig 8.
Yielding shapes of different soil planes under the same structural parameters.
Fig 9.
The plane dynamic yield criterion of structural soil under different structural parameters.
Fig 10.
Example of true triaxial tests.
Fig 11.
True triaxial test loading method.
Fig 12.
Simulation of true triaxial test in Flac3D.
Fig 13.
Comparison between measured and calculated values under consolidated confining pressure of 50kPa.
Fig 14.
Comparison between measured and calculated values under consolidated confining pressure of 100kPa.
Fig 15.
Comparison between measured and calculated values under consolidated confining pressure of 150kPa.
Fig 16.
Comparison between measured and calculated values under consolidated confining pressure of 200kPa.
Fig 17.
Comparison between measured and calculated values under consolidated confining pressure of 300kPa.