JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• 1. To interpret and select the design parameters from the test data
• 2. To analyze and design shallow and pile foundations
• 3. To abreast with advanced techniques of foundation analysis and design

Course Outcomes

At the end of the course, student will be able to:

• 1. Able to plan and select the soil exploration methods
• 2. Determine the Bearing capacity of soil and settlements for the design of shallow foundations
• 3. To design the deep foundations under different loading conditions
• 4. To design the foundations on problematic soils and reliability-based design for shallow and deep foundations

UNIT - I

Soil Exploration: Exploration Methods; Planning the Exploration Program; Boring and Sampling; In Situ Tests: Standard & Cone Penetration Tests, Field Vane & Borehole shear tests, Dilatometer, Pressure meter; Rock Sampling, Core Recovery, RQD; Geophysical Exploration; Preparation of Soil Report.

UNIT - II

Shallow Foundations: Bearing Capacity: - General Formulae; Effect of Water Table; Footings with eccentric or Inclined Loads, Foundations on Layered Soils, on finite layer with a Rigid Base at Shallow Depth, effect of compressibility of soil.

UNIT - III

Settlement: Components – Immediate, Consolidation & Creep, Stresses and Displacements in Homogeneous, Layered and Anisotropic Soils; Consolidation Settlement; One, Two- & Three- Dimensional Consolidation; Secondary Compression Settlement; Bearing Pressure using SPT, CPT, Dilatometer and Pressure meter; Settlement of foundations on Sands - Schmertmann and Burland & Bus bridge methods; Structure Tolerance to Settlement and Differential Settlements, Rotation of Tall Structures.

UNIT - IV

Deep Foundations: Single Pile: Vertically loaded piles, Static capacity α, β and λ Methods, Dynamic formulae; Point Bearing Resistance with SPT and CPT Results; Bearing Resistance of Piles on Rock; Settlement; Pile Load Test; Uplift Resistance; Laterally Loaded Piles -Ultimate Lateral Resistance; Negative Skin Friction; Batter Piles; Under Reamed Piles; Ultimate Capacity of Pile Groups in Compression, Pullout & Lateral Load; Efficiency; Settlements of Pile Groups; Interaction of Axially & Laterally Loaded Pile Groups.

UNIT - V

Special Topics of Foundation Engineering Foundations on Collapsible Soils: Origin and occurrence, Identification, Sampling and Testing, Preventive and Remedial measures.

R19 M.TECH GEOTECHNICAL ENGG.

Foundations on Expansive Soils: The nature, origin and occurrence, Identifying, testing and evaluating expansive soils, typical structural distress patterns and Preventive design & construction measures. Introduction to Reliability-Based Design: Methods, LRFD for structural strength requirements, LRFD for geotechnical strength requirements, Serviceability requirements.

REFERENCE:

• 1. Das, B. M. - Principles of Foundation Engineering 7th Cengage Learning (2013)
• 2. Donald P Coduto – Foundation Design Principles and Practices, 2nd edition, Pearson, Indian edition, 2012. Phi Learning (2008)
• 3. Bowles, J. E. - Foundation Analysis & Design 5th Edition McGraw-Hill Companies, Inc. (1996)
• 4. Poulos, H. G. & Davis, E. H. - Pile Foundation Analysis and Design john wiley & sons inc (1980-08)
• 5. Reese, L. C. & Van Impe, W. F. - Single Piles and Pile Groups under Lateral Loading - Taylor & Francis Group (Jan 2000)
• 6. Tomlinson, M. J. - Foundation Design and Construction - Prentice Hall (2003)
• 7. Lymon C. Reese, William M. Isenhower, Shin-Tower Wang- Analysis and Design of Shallow and Deep Foundations (2006)
• 8. Salgado, R. - The Engineering of Foundations McGraw-Hill, Boston (2008) R19 M.TECH GEOTECHNICAL ENGG. M.TECH.- I YEAR- I SEMESTER GEOTECHNICAL ENGINEERING