Table 3: 3D coefficient of consolidation of soils using horizontal and vertical permeability values under different vertical pressures.

Types of soilVertical stressCoefficient of consolidation
σ (kN/m2)cv3 × 10−6 (m2/s)

Silty sand with clay soil1004.341
2008.126
40016.093
80019.896
Silty-clay soil1001.380
2002.082
4004.538
8004.814