Soil Mechanics and Foundation
During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm² to 0.26 N/mm², the pore water pressure increases from 0.07 N/mm² to 0.15 “N/mm². Skempton’s pore pressure parameter B is

2
0.5
-0.5
-2

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Soil Mechanics and Foundation
Coefficient of compressibility is

different for different types of soils and also different for a soil under different states of consolidation
constant for any type of soil
independent of type of soil but depends on the stress history of soil
different for different types of soils but same for a soil under different states of consolidation

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