Introduction and Index Properties. a) Introduction to Geo-technical Engineering and its applications to Civil Engineering, Complexity of soil structure, major soil deposits of India, Field identification of soils. Introduction to soil exploration-objective and purpose. b) Three phase soil system, weight -volume relationships, Index properties of soil–methods of determination and their significance. IS and Unified Soil classification systems. Permeability and Seepage. a)Soil water, permeability definition and and necessity of its study, Darcy’s law, factors affecting permeability. Laboratory measurement of permeability – Constant head method and Falling head method as per IS 2720. Field test for determination of permeability- Pumping in test and Pumping out test as per IS 5529 part-I. Permeability of stratified soil deposits. b) Seepage and Seepage Pressure, quick sand phenomenon, critical hydraulic gradient, General flow equation for 2-D flow (L...
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