Table 1.
Chemical composition of mudstone.
Fig 1.
X-ray diffraction pattern of mudstone.
Table 2.
Physical and mechanical parameters of experimental soils.
Fig 2.
Compaction and direct shear test results: (a) Compaction test curve; (b) Shear stress-shear displacement relationship of mudstone under different interfacial water content conditions.
Fig 3.
Mudstone water-induced softening test results: (a) Water absorption rate variation with time; (b) Unconfined compressive strength variation with water absorption rate.
Fig 4.
The diffusion phenomenon of mudstone after hygroscopicity.
Fig 5.
Schematic diagram of test apparatus and sensor measurement point layout.
Table 3.
Sensor parameter indicators.
Fig 6.
Measurement point layout diagram.
Table 4.
FARO focus premium 350 scanner performance indicators.
Fig 7.
Failure mode demonstration diagram.
Fig 8.
Earth pressure variation curve.
Fig 9.
Pore water pressure variation curve.
Table 5.
Results of mudstone water absorption test.
Fig 10.
Unconfined compressive failure diagram of mudstone.
Fig 11.
Displacement changes at various stages of test landslide.