Volume Changes and Mechanical Properties of Expansive Mudstone below Canals under Wet-Dry/Wet-Dry-Freeze-Thaw Cycles

Table 1

Fundamental properties of mudstone material.

Properties	Value
Specific gravity	2.67
Potential expansion	71.0
CHCS classification	CH
Consistency limit
Liquid limit	52.6%
Plastic limit	18.4%
Plasticity index	34.2
Compaction study
Optimum moisture content	18.4%
Maximum dry density	1.70 mg/m^3
Mineral components
Montmorillonite	61.5%
Quartz	31.9%
Feldspar	6.1%
Calcite and albite	0.5%