5
Permeability and Capillarity
CHAPTER HIGHLIGHTS
Water flow – Darcy's law – Validity of Darcy's law – Laboratory and field permeability tests – Permeability of stratified soils – Values of permeability – Factors affecting permeability – Capillary phenomenon in soils – Shrinkage and swelling of soils
5.1 INTRODUCTION
The amount, distribution, and movement of water in soil have an important bearing on the properties and behaviour of soil. The engineer should know the principles of fluid flow, as groundwater conditions are frequently encountered on construction projects. Water pressure is always measured relative to atmospheric pressure, and water table is the level at which the pressure is atmospheric. Soil mass is divided into two zones with ...
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