Table 1.
Basic physical indexes of granite residual soil and clay.
Fig 1.
Particle size distribution of granite residual soil and clay.
Fig 2.
Fourier transform infrared spectroscopy of granite residual soil.
Fig 3.
Sample preparation and testing process diagram.
Fig 4.
Test instrument.
Fig 5.
Changes in the liquid plastic limit of improved soil.
Fig 6.
Improved soil compaction performance parameters.
Fig 7.
Verticle stress – void ratio curve.
Fig 8.
Proportion of clay – compression coefficient curve.
Fig 9.
Shear displacement and shear stress curves under different vertical pressures.
Fig 10.
Relationship curve of clay content-cohesion force and internal friction angle.
Fig 11.
SEM images of granite residual soil and clay particles.
Fig 12.
FTIR of granite residual soil with different clay contents.
Table 2.
Comparison of research results of the same type.