IM4203 Geotechnical Engineering for Infrastructure Syllabus:

IM4203 Geotechnical Engineering for Infrastructure Syllabus – Anna University PG Syllabus Regulation 2021

OBJECTIVES:

 To explain the soil investigation and instrumentation in the field.
 To explain the different types of dewatering and method for safe excavation.
 To design safe foundation on different soil and quality assurance in piling.
 To understand different ground improvement techniques.
 To learn about sustainability in geotechnical projects.

UNIT I GEOTECHNICAL FIELD INVESTIGATION

Field exploration – Direct, Semidirect, Indirect exploration – Insitu testing SPT, Plate bearing, Field Vane, Pressurement – Groundwater Conditions – Measurement of Properties –– Hydraulic Properties – Field Instrumentation – Surface movements – Subsurface Deformation – Soil Engineering Reports Interpretation – Shrink and Swell from Borrow to Fill.

UNIT II DEWATERING, EXCAVATION AND ITS SUPPORTS

Drainage – Dewatering methods & Specifications – Underwater Excavations, Caissons, Cofferdams – Seepage Barriers, Slurry Trench Methods, Freezing, Grouting – Wells and WellPoint Systems, – Electroosmosis – Planning Dewatering Operations – Design of Excavation Slopes, Slope Stability, Slope Protection – Shallow Trenches and Excavation Safety-Excavations Support Methods – Planning for Excavation Supports.

UNIT III FOUNDATION CONSTRUCTION

Shallow and Deep Foundations – Settlement Analysis – Footing and Raft Construction – Pile Types, Pile Hammers, Jetting, Spudding, and Predrilling, Pile Dynamics, Contract Provisions, Driving Effects – Bored and Driven Pile Construction – Pile Integrity Testing – Pile Load Test – Foundation on difficult soil – Collapsible Soil – Expansive Soil – Foundation Considerations for Expansive Soils – Construction on Expansive Soils.

UNIT IV GROUND IMPROVEMENT TECHNIQUES

Introduction – Improvement of soils by mechanical and chemical means – General Principles of Compaction – Properties of Compacted Soils – Field Compaction – Compaction Equipment for Shallow Lifts – Compaction Control Testing – Compaction Control for Clay Hydraulic Barriers – Vibroflotation – Blasting – Precompression – Sand Drains – Prefabricated Vertical Drains – Lime Stabilization – Cement Stabilization – Fly-Ash Stabilization – Stone Columns – Sand Compaction Piles – Dynamic Compaction – Jet Grouting – Deep Mixing.

UNIT V GEOTECHNICS TOWARDS SUSTAINABILITY

Introduction to sustainability – Sustainability in geotechnical practice – Geosynthetics types and characteristics – Geosynthetic-Reinforced Slopes, Embankments, Foundations, Roads – Design considerations – Design Parameters and Procedures – Quality control and Assurance.

COURSE OUTCOMES:

CO1 Apply the basic elements of site investigation and explain the interpretation of the soil field/lab testing report and collect pertinent information for geotechnical design.
CO2 Critically assess the effectiveness of dewatering and various excavation methods and promote the safety of construction.
CO3 Determine the bearing capacity of shallow and deep foundations on different terrain, including their expected settlement.
CO4 Identify an appropriate method of ground improvement and design remedial measures where necessary.
CO5 Evaluate the key challenges associated with ensuring the sustainability of the project and recommend appropriate state-of-the-art design solutions using geosynthetics for specific problem scenarios.

REFERENCES:

1. Braja M. Das, “Principles of Foundation Engineering”, Cengage Learning, 2015 Eighth Edition.
2. Jie Han, “Principles and Practices of Ground Improvement”, John Wiley & Sons., 2015.
3. Ming Xiao, “Geotechnical Engineering Design”, Wiley Blackwell, 2015.
4. ICE Manual of Geotechnical Engineering: Vol I & II, Institution og Civil Engineers Publication, J.B. Burland, Tim Chapman eds.,2012.
5. W.L. Schroeder, Don C. Warrington, S. E. Dickenson, “Soils in Construction”, Pearson Education, Fifth Edition, 2012.
6. Murthy, V.N.S., “Advanced Foundation Engineering”, CBS Publishers & Distributors, New Delhi,2007.
7. Purushothama Raj, P., Ground Improvement Techniques, Laxmi Publications (P) Ltd., New Delhi,2007.
8. IS 1888: 1982 Method of Load Test on Soils.
9. IS 1892: 1979 Code of Practice for Subsurface Investigation for Foundations
10. IS 2131: 1981 Method for Standard Penetration Test for Soils.
11. IS 2720: All parts: 1990 Methods of Test for Soils
12. IS 4434: 1978 Code of practice for in-situ vane shear test for soils.
13. IS 4453: 1980 Code of Practice for Subsurface Exploration by Pits, Trenches, Drifts and Shafts
14. IS 4464: 1985 Code of Practice for Presentation of Drilling Information and Core Description in Foundation Investigation.
15. IS 1080: 1985 Code of Practice for Design and Construction of Shallow Foundations in Soils (Other than Raft, Ring and shell).
16. IS2911: Part I: Sec 1 to IV: 1979 Code of Practice for Design and Construction of Pile Foundations.