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Engineering Geology

Students studying in Civil Engineering will find this subject very useful. Hundreds of important topics on Engineering Geology are organized into lessons below.

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Overview

Topics Covered

Module 1 Introduction

1.1 Branches of geology useful to civil engineering, Importance of geological studies in various civil engineering Projects.

1.2 Internal structure of the Earth and use of seismic waves in understanding the interior of the earth ...

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Module 1 Introduction

1.1 Branches of geology useful to civil engineering, Importance of geological studies in various civil engineering Projects.

1.2 Internal structure of the Earth and use of seismic waves in understanding the interior of the earth, Theory of Plate Tectonics.

1.3 Agents modifying the earth's surface, study of weathering and its significance in engineering properties of rocks like strength, water tightness and durability etc.

1.4 Brief study of geological action of river, wind, glacier, ground water and the related land forms created by them.

1.5 Building stones- Requirements of good building stones and its geological factors, controlling properties, consideration of common rocks as building stones, study of different building stones from various formations of Indian Peninsula.

Module 2 Mineralogy and Petrology

2.1 Identification of minerals with the help of physical properties, rock forming minerals, megascopic identification of primary and secondary minerals, study of common ore minerals.

2.2 Igneous Petrology - Mode of formation, Texture and structure, Classifications, study of commonly occurring igneous rocks and their engineering application.

2.3 Sedimentary Petrology - Mode of formation, Textures, characteristics of shallow water deposits like lamination, bedding, current bedding etc., residual deposits, chemically and organically formed deposits, classification, study of commonly occurring sedimentary rocks and their engineering application.

2.4 Metamorphic Petrology - Mode of formation, agents and types of metamorphism, metamorphic minerals, rock cleavage, structures and textures of metamorphic rocks, classification and study of commonly occurring metamorphic rocks and their engineering application.

Module 3 Structural Geology, Stratigraphy and Indian Geology

3.1 Structural elements of rocks, dip, strike, outcrop patterns, outliers and inliers, study of joints, unconformities and their engineering consideration. Faults and folds, their classification and importance in engineering operations.

3.2 Determination of thickness of the strata with the help of given data.

3.3 General principles of Stratigraphy, geological time scale, Physiographic divisions of India and their characteristics. Stratigraphy of Deccan Volcanic Province

Module 4 Geological Investigation, study of dam and reservoir site

4.1 Preliminary Geological Investigation and their importance to achieve safety and economy of the projects like dams and tunnels, methods of surface and subsurface investigations, Excavations-Trial pit, trenches etc.

4.2 Core Drilling - Geological logging, Inclined Drill holes. Electrical Resistivity method, Seismic method and their applications

4.3 Strengths, stability, water tightness of the foundation rocks and its physical characters against geological structures at dam sites, favourable and unfavourable geological conditions for locating dam sites.

4.4 Precautions over the unfavourable geological structures like faults,dykes, joints, unfavourable dips on dam sites and giving treatments, structural and erosional valleys.

Module 5 Tunnel Investigation and Ground Water Control

5.1 Importance of geological considerations while choosing tunnel sites and alignments of the tunnel, safe and unsafe geological and structural conditions, Difficulties during tunneling and methods to overcome the difficulties. Methods of tunneling in soft soil

5.2 Sources, zones, water table, unconfined and Perched water tables. Factors controlling water bearing capacity of rocks, Pervious and Impervious rocks, Cone of depression and its use in Civil engineering. Artesian well (flowing and non-flowing)

5.3 Springs seepage sites and geological structures. Different types of rocks as source of ground water

5.4 Methods of artificial recharge of ground water, geology of percolation tank.

Module 6 Geological Disasters and Control Measures

6.1 Landslides - Types, causes and preventive measures for landslides, Landslides in Deccan region

6.2 Volcano- Central type and fissure type, products of volcano and volcanic land forms.

6.3 Earthquake- Earthquake waves, construction and working of seismograph, Earthquake zones of India, elastic rebound theory Preventive measures for structures constructed in Earthquake prone areas

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Lessons