Surficial Failure of Expansive Soil Cutting Slope and Its Flexible Support Treatment Technology

Table 1

Characteristic index of expansive soil.

Proportion of different particle size (mm)/%				Montmorillonite content/%	Relative content of clay minerals/%
>0.075	0.075–0.005	<0.005	<0.002		I/S	I	K	C
0.30	56.14	43.56	42.29	11.78	58	11	20	11