Volume Change Behaviour of Fine Grained Soils

  • A. Sridharan
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 93)


Soils in arid and semi-arid zones undergoes volume changes due to wetting. Depending upon the type of clay minerals present, degree of saturation, externally applied load and bonding, the fine grained soils either swells or compresses. One of the parameter that affects the volume change behaviour is the primary clay mineral present in their clay size fraction. A simple method of identifying the same has been presented. It has been brought out that in an expansive unsaturated undisturbed soil, the diffuse double layer repulsion, the stress state and the bonding play significant role in their volume change behaviour. In nonexpansive fine grained unsaturated undisturbed soils, the shearing resistance at particle level (including the matrix suction and bonding) and fabric play a significant role in influencing the volume change behaviour. While both the mechanism co-exist, one of them play a dominant role depending upon the primary clay mineral is swelling or non swelling.


Clay Mineral Particle Level Fine Grained Fine Grained Soil Diffuse Double Layer 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • A. Sridharan
    • 1
  1. 1.Department of Civil EngineeringIndian Institute of ScienceBangaloreINDIA

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