Table 2: Coefficient of volume change under different vertical pressures for silty sand with clay soil and silty-clay soil tested by 1D oedometer.

Types of soilVertical stressCoefficient of volume change
σ (kN/m2)mv × 10−4 (m2/kN)

Silty sand with clay soil10002.90
20001.50
40000.75
80000.56
Silty-clay soil10003.80
20002.40
40001.10
80000.86