Which of the following is NOT an assumption in Terzaghi’s one-dimensional consolidation theory?
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Option 4 : Soil is heterogeneous.
Assumptions in Terzaghi’s theory of consolidation:
1. The soil is homogeneous.
2. The soil is fully saturated.
3. The compression of the soil layer is due to the change in volume only, which, in turn, is due to the squeezing out of water from the void spaces.
4. Darcy’s law is valid.
5. Deformation of soil occurs only in the direction of the load application.
6. The coefficient of consolidation is constant during the consolidation.
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