In a clay layer with a thickness of 16 m, bidirectional drainage conditions exist. The consolidation coefficient for the clay layer is given as CV = 6.2 * 10^-8 1) At the end of 10 years, find the percentages of consolidation at 4 , 8, 12 and 16 m in the clay layer.

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Consolidation parameters

Consolidation is the process of expulsion of pore water present in the voids of soil solids under the pressure of the applied load. This is a quick process in the case of coarse-grained soils since the permeability is high due to the presence of more voids, while it is a slow and gradual process in the case of clayey soil as the permeability of clay is less. An example of consolidation is the settlement of soil under a building due to the load coming from the building.