| Course Name | Geology and Soil Mechanics |
| Course Code | 15CVL212 |
| Program | B. Tech. in Civil Engineering |
| Semester | Four |
| Year Taught | 2019 |
General geology – Weathering – Geological work of wind, rivers and oceans.Mineralogy. Petrology – Three-fold classification of rocks and their characteristic features. Structural geology – Types and classification of structures (Joints, Unconformities, Folds and faults) and their effect on civil engineering projects. Geology in Civil Engineering – Tunnels, dams, reservoirs, bridges, runways, roads and buildings. Physico-Mechanical properties of rock. Origin and formation of soils.
Soil structure and clay mineralogy – Adsorbed water – Mass-volume relationship – Relative density. Index Properties of Soils: Grain size analysis – Sieve and hydrometer methods – consistency limits and indices – I.S. Classification of soils. Permeability: Soil water – capillary rise – flow of water through soils – Darcy’s law- permeability – Factors affecting permeability – laboratory determination of coefficient of permeability – Permeability of layered systems. Seepage through soils: Total, neutral and effective stresses – quick sand condition – Seepage through soils – Flownets: characteristics and uses.
Stress distribution in soils: Boussinesq’s and Westergaard’s theories for point loads and areas of different shapes – Newmark’s influence chart. Compaction: Mechanism of compaction – factors affecting – effects of compaction on soil properties – Field compaction equipment – compaction control. Consolidation: stress history of clay; e-p and e-log p curves – magnitude and rate of 1-D consolidation – Terzaghi’s Theory.
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