Geotechnical Engineering-II (Includes Typical MCQ's) For MU Sem 6 Civil Engineering Course Code :CEC603  (Hardcover, V. K. Kumawat)

Module Course Module / Contents Periods 1 Module Name- Consolidation of soils 06 1.1 Compressibility & settlement, comparison between compaction & consolidation, concept of excess pore water pressure, initial, primary secondary consolidation, spring analogy for primary consolidation, consolidation test results, coefficient of compressibility, coefficient of volume change, compression, expansion, recompression indices, normally and over consolidated soils. 1.2 Terzhaghi’s theory of consolidation (no proof)- assumptions, coefficient of vertical consolidation, distribution of hydrostatic excess pore water pressure with depth & time, time factor, relationship between time factor and degree of consolidation, determination of coefficient of vertical consolidation, pre- consolidation pressure. 1.3 Final settlements of a soil deposit in the field, time settlement curve, field consolidation curve. (Refer chapter 1) 2 Module Name- Shear strength 05 2.1 Introduction, frictional cohesive strength, state of stresses in soil mass, principal stresses, determination of stresses on an inclined plane by using analytical and Mohr’s circle method, important characteristics of Mohr’s circle. 2.2 Coulomb theory, Mohr-Coulomb theory- shear strength parameters; Mohr-Coulomb failure envelope- relation between major and minor principal stresses, total & effective stress analysis. 2.3 Different types of drainage conditions UU, CU and CD: Direct shear test, Triaxial compression test, Unconfined compression test, Vane shear test; comparison between direct & triaxial tests, interpretation of test results of direct shear & triaxial shear tests stress-strain curves. 2.4 Determination of shear strength of soil- pull out test and Introduction to liquefaction of Soils. (Refer chapter 2) 3 Module Name- Stability of Slopes 06 3.1 Introduction: Types of slopes, types of slope failures, factors of safety. 3.2 Stability analysis of infinite slopes in i) cohesionless soil and ii) cohesive soil under a) dry condition, b) submerged condition and c) steady seepage condition along the slope. 3.3 Stability analysis of finite slopes: i) Taylor’s stability number ii) friction circle method iii) Swedish circle. (Refer chapter 3)Module Name - Lateral Earth Pressure Theories 08 4.1 Introduction to Lateral Earth Pressure Theories: Concept of lateral earth pressure based on vertical and horizontal stresses, different types of lateral earth pressure 4.2 Rankine’s earth pressure theory: i) assumptions, ii) active and passive states in cohesionless soil: effect of submergence, effect of uniform surcharge, effect of inclined surcharge iii) active and passive states in cohesive soil 4.3 Coulomb’s wedge theory: i) assumptions, ii) active and passive states in cohesionless soil, iii) active and passive states in cohesive soil 4.4 Rehbann’s Graphical Method (no proof) 4.5 Culmann’s Graphical Method (no proof) (Refer chapter 4) 5 Module Name- Shallow Foundations 08 5.1 Introduction: types of shallow foundations, definitions of different bearing Capacities 5.2 Theoretical methods of determining bearing capacity of shallow foundations: i) Terzaghi’s theory: assumptions, zones of failure, modes of failure, ultimate bearing capacity equations for general and local shear failure, factors influencing bearing capacity: shape of footing and water table, limitations of Terzaghi’s theory ii) Vesic’s theory: bearing capacity equation I.S. Code Method: bearing capacity equation 5.3 Field methods of determining bearing capacity of shallow foundations: i) standard penetration test and ii) plate load test. (Refer chapter 5) 6 Module Name- Pile Foundations 06 6.1 Introduction to pile foundations: necessity of pile foundations, types of pile foundation. 6.2 Theoretical methods of determining load carrying capacity of pile foundations: i) static formulae and ii) dynamic formulae 6.3 Field method of determining load carrying capacity of pile foundations: pile load test 6.4 Group action of piles, settlement of pile groups, negative skin friction. (Refer chapter 6) Total Hours 39