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Course Detail

Course Name Geotechnical Engineering
Course Code 15CVL303
Program B. Tech. in Civil Engineering
Semester Five
Year Taught 2019


Unit 1

Shear strength of soils: Mohr – Coulomb Failure theories – Types of laboratory strengthtests – strength tests based on drainage conditions – Shear strength of sands – Critical Void Ratio – Liquefaction – shear strength of clays.

Soil Exploration: Need – Methods of soil exploration – Boring and Sampling methods – Field tests – Penetration Tests – Plate load test – Pressure meter – Planning of programme and preparation of soil investigation report.

Unit 2

Shallow Foundations: Types – choice of foundation – Location of depth – Safe Bearing Capacity – Terzaghi, Meyerhof, Skempton and IS Methods.

Safe bearing pressure based on N-value – allowable bearing pressure; safe bearing capacity and settlement from plate load test – allowable settlements of structures – Settlement Analysis.

Pile Foundation: Types of piles – Load carrying capacity of piles based on static pile formulae – Dynamic pile formulae – Pile load tests – Load carrying capacity of pile groups in sands and clays – Settlement of pile groups.

Well Foundations: Types – Components of well foundation – functions and design. Design Criteria – Sinking of wells – Tilts and shifts.

Unit 3

Earth Slope Stability: Infinite and finite earth slopes – types of failures – factor of safety of infinite slopes – stability analysis by Swedish arc method, standard method of slices, Bishop’s Simplified method – Taylor’s Stability Number.

Earth Pressure Theories: Rankine’s theory of earth pressure – Earth pressure in layered soils – Coulomb’s earth pressure theory – Culmann’s graphical method.

Retaining Walls: Types of retaining walls – stability of retaining walls.

Text Books

  1. Gopal Ranjan and A. S. R. Rao, “Basic and Applied Soil Mechanics”, New Age International Pvt. Ltd, 2004.
  2. Venkataramaiah. C., “Geotechnical Engineering”, New Age International Publishers, 2006.


  • Varghese, P. C., “Foundation Engineering”, PHI Learning, 2009.
  • Das, B. M., “Principles of Foundation Engineering”, CL Engineering, 2013.
  • Bowles, J. E., “Foundation Analysis and Design”, Tata McGraw Hill, 1996.
  • Swami Saran, “Analysis and Design of Substructures”, Oxford and IBH Publishing Company Pvt Ltd, 2008 .
  • Teng, W. C, “Foundation Design”, Prentice Hall, 1998.

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