voids

EK501

The time dependent settlement or densification of soils, essentially fine-grained soils, by the expulsion of water from the voids is called consolidation.

EK494

Primary consolidation is the change in volume of a fine-grained soil caused by the expulsion of water from the voids and the transfer of stress from the excess porewater pressure […]

EK478

Total stress is the stress carried by the soil particles and the liquids and gases in the voids.