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Soil Mechanics and Foundation Engineering by P. Purushothama Raj

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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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