Research Article

Buoyancy Force Acting on Underground Structures considering Seepage of Confined Water

Table 1

Engineering properties of the foundation soil.

Engineering propertiesSymbolUnitFine sandClay

Wet densitykg·m−319602010
Dry densitykg·m−316301710
Void ratio-0.640.65
Plasticity index-/8.8
Liquid index-/0.38
Permeability coefficientm·s−15.35 × 10−57.11 × 10−7