CE-C601: Geotechnical Engg. – II Syllabus for CE 6th Sem 2018 Pattern Mumbai University

Geotechnical Engg. – II detailed syllabus scheme for Civil Engineering (CE), 2018 regulation has been taken from the University of Mumbai official website and presented for the Bachelor of Engineering students. For Course Code, Course Title, Test 1, Test 2, Avg, End Sem Exam, Team Work, Practical, Oral, Total, and other information, do visit full semester subjects post given below.

For all other Mumbai University Civil Engineering 6th Sem Syllabus 2018 Pattern, do visit CE 6th Sem 2018 Pattern Scheme. The detailed syllabus scheme for geotechnical engg. – ii is as follows.

Geotechnical Engg. – II Syllabus for Civil Engineering TE 6th Sem 2018 Pattern Mumbai University

Rationale

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Course Objectives:

• Students will gain knowledge of consolidation theory.
• Students will evaluate the shear strength characteristics of the soil. Moreover, they would apply the knowledge for solving the related problems.
• Students will analyze stability of slopes, comprehend lateral earth pressure theories and apply them in stability analysis of retaining walls.
• Students will analyze and design shallow as well as deep foundations.
• Students will gain knowledge of underground conduits and braced cuts.
• Students will gain knowledge of ground improvement techniques.

Module 1

Consolidation of soils 04

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 over consolidated soils.
2. Terzhaghis theory of consolidation- assumptions, coefficient of vertical consolidation, distribution of hydrostatic excess pore water pressure with depth & time, time factor, relationship between time factor degree of consolidation, determination of coefficient of vertical consolidation, preconsolidation pressure.
3. Final settlements of a soil deposit in the field, time settlement curve, field consolidation curve.

Module 2

Shear strength 05

1. Introduction, three dimensional state of stress in soil mass, principal stresses in soil, shear failure in soils- frictional cohesive strength, general shear stress-strain curves in soil definition of failure, graphical method of determination of stresses on a plane inclined to the principal planes through Mohrs circle, important characteristics of Mohrs circle.
2. Mohr-Coulomb theory- shear strength parameters; Mohr-Coulomb failure criterion- relation between major minor principle stresses, total & effective stress analysis.
3. Different types of shear tests drainage conditions; Direct shear test, Triaxial compression test (UU, CU CD), Unconfined compression test, Vane shear test; comparison between direct & triaxial tests, interpretation of test results of direct shear & triaxial shear tests stress-strain curves Mohr failure envelopes
4. Determination of shear strength of soil with geosynthetics- pull out test: ASTM procedure for finding shear strength of soil-geosynthetic system.

Module 3

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Module 4

Lateral Earth Pressure Theories and Stability of Retaining Walls 10

1. Introduction to Lateral Earth Pressure Theories: Concept of lateral earth pressure based on vertical and horizontal stresses, different types of lateral earth pressure
2. Rankines earth pressure theory:
   1. assumptions,
   2. active and passive states in cohesionless soil: effect of submergence, effect of uniform surcharge, effect of inclined surcharge
   3. active and passive states in cohesive soil
3. Coulombs wedge theory:
   1. assumptions,
   2. active and passive states in cohesionless soil,
   3. active and passive states in cohesive soil
4. Rehbanns Graphical Method (no proof.
5. Culmanns Graphical Method (no proof.
6. Introduction to retaining walls: types of retaining walls, stability checks for retaining walls
7. Stability analysis of gravity retaining walls
8. Stability analysis of cantilever retaining walls

Module 5

Shalow Foundations 10

1. Introduction: types of shallow foundations, definitions of different bearing capacities
2. Theoretical methods of determining bearing capacity of shallow foundations:
   1. Terzaghis 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 Terzaghis theory
   2. Vesics theory: bearing capacity equation
   3. I.S. Code Method: bearing capacity equation
3. Field methods of determining bearing capacity of shallow foundations:
   1. standard penetration test and
   2. plate load test

Module 6

Pile Foundations 6

1. Introduction to pile foundations: types of pile foundations, necessity of pile foundations
2. Theoretical methods of determining load carrying capacity of pile foundations:
   1. static formulae and
   2. dynamic formulae
3. Field method of determining load capacity of pile foundations: pile load test
4. Group action of piles, settlement of pile groups, negative skin friction

Course Outcomes:

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Theory examination

1. Question paper will consist of total 6 questions; each carrying 20 marks.
2. Only 4 questions (out of 6) need to be attempted.
3. Question no. 1 will be compulsory.
4. Any 3 out of the remaining 5 questions need to be attempted.
5. In question paper, weightage of each module maybe approximately proportional to the number of lecture hours assigned to it in the syllabus.

Oral Examination:

The oral examination shall be based upon the entire syllabus

Term Work:

Although it is recommended that 7 experiments are desirable, at least 5 should be performed.

1. Determination of pre-consolidation pressure coefficient of consolidation from one dimensional consolidation test.
2. Determination of shear parameters form unconsolidated undrained tri-axial compression test
3. Determination of shear parameters from direct shear test
4. Determination of cohesion from unconfined compression test
5. Determination of CBR value from CBR test
6. Determination of shear strength of soft clays from vane shear test.
7. Determination of swelling pressure of clays

Assignments:

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Recommended Books:

1. Soil Mechanics and Foundations: Dr. B. C. Punmia, Ashok Kumar Jain, Arun Kumar Jain; Laxmi Publications
2. Soil Mechanics and Foundation Engineering: K. R. Arora; Standard Publishers and Distributors
3. Soil Mechanics and Foundation Engineering: V. N. S. Murthy; Saitech Publications
4. Geotechnical Engineering: C. Venkatramaiah; New Age International
5. Soil Engineering in Theory and Practice: Alam Singh; CBS Publishers Distributors
6. Designing with Geosynthetics: R. M. Koerner; Prentice Hall, New Jersey
7. An Introduction to Soil Reinforcement Geosynthetics: G. L. Sivakumar Babu; Universities Press
8. Theoretical Soil Mechanics: K. Terzaghi; John Wiley and Sons
9. Fundamentals of Soil Engineering: D. W. Taylor; John Wiley and Sons.
10. Relevant Indian Standard Specifications Code: BIS Publications, New Delhi

For detail syllabus of all other subjects of Civil Engineering (CE) 6th Sem 2018 regulation, visit CE 6th Sem Subjects syllabus for 2018 regulation.