Research Article

Development Characteristics and Sensitivity Analysis of Expansive Soil Slope

Table 4

Parameters of soil in natural state.

Type of rock-soilDensity (kg/m3)Friction (°)Cohesion (kPa)Bulk modulus (MPa)Shear modulus (MPa)

Artificial filling1850101839.5814.18
Silty clay184072239.2215.04
Completely weathered mudstone, sandstone1950172546.318.94
Strongly weathered mudstone, sandstone200025501667769.23