Subject Code & Name: CE25C10 – Soil Mechanics Laboratory
Regulation: R-2025
Semester: IV (Fourth Semester)
Branch: B.E. Civil Engineering (Environmental Engineering) (Civil(Env))
Credits / L-T-P: 2 Credits | L-T-P: 0-0-4
Course Objectives
- To develop students’ skills to test the soils for their index and engineering properties, and to characterize the soil based on its properties.
Full Unit-wise Syllabus
List of Experiments
- Determination of Index Properties a) Specific gravity of soil solids b) Grain size distribution – Sieve analysis and Hydrometer analysis c) Liquid limit and Plastic limit tests
- Determination of In-situ Density and Compaction Characteristics a) Field density Test (Core cutter and Sand replacement method) b) Determination of moisture–density relationship using standard proctor compaction test.
- Determination of Engineering Properties a) Permeability determination (constant head and falling head methods) b) Direct shear test in cohesion less soil c) Unconfined compression test in cohesive soil d) Vane Shear test e) Tri-axial compression test in cohesion less soil (Demonstration only)
Tasks
- Prepare a bore log report by performing index and engineering tests for the samples obtained from a nearby site location.
- Develop a compaction and permeability assessment report and interpret the suitability of soil for backfill.
- Evaluate shear strength characteristics and estimate bearing capacity of shallow foundations using obtained parameters.
Course Outcomes (COs)
- CO1: Explain the basic principles and procedures of soil laboratory tests for determining index and engineering properties.
- CO2: Perform soil laboratory tests and analyze results to evaluate compaction, permeability, and consolidation characteristics.
- CO3: Interpret shear strength parameters and assess their implications for bearing capacity and foundation performance.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 60% | End Semester Examinations 40% Methodology for Continuous Assessment : Project (30%), Assignment (10%), Practical (30%), Internal Examinations (30%) References 1. Saibaba Reddy, E. Ramasastri, K. “Measurement of Engineering Properties of Soils”, New age International (P) limited publishers, New Delhi, 2008. 2. Lambe T.W., “Soil Testing for Engineers”, John Wiley and Sons, New York, 1951. Digitized 2008. 3. IS Code of Practice (2720) Relevant Parts, as amended from time to time, Bureau of Indian Standards, New Delhi. 4. BrajaM.Das., “Soil Mechanics: Laboratory Manual”, Oxford University Press, Eighth edition, 2012. ` Relevant Indian Standards 1. IS 2720 (Part 3):1980 (Reaffirmed 2020) – Methods of Test for Soils – Determination of Specific Gravity, Bureau of Indian Standards. 2. IS 2720 (Part 4):1985 (Reaffirmed 2020) – Methods of Test for Soils – Grain Size Analysis, Bureau of Indian Standards. 3. IS 2720 (Part 5):1985 (Reaffirmed 2021) – Methods of Test for Soils – Determination of Liquid and Plastic Limit, Bureau of Indian Standards. 4. IS 2720 (Part 7):1980 (Reaffirmed 2021) – Methods of Test for Soils – Determination of Water Content-Dry Density Relation Using Light Compaction, Bureau of Indian Standards. 5. IS 2720 (Part 10):1991 (Reaffirmed 2021) – Methods of Test for Soils – Unconfined Compression Test, Bureau of Indian Standards. 6. IS 2720 (Part 11):1993 (Reaffirmed 2021) – Methods of Test for Soils – Triaxial Compression Test, Bureau of Indian Standards. 7. IS 2720 (Part 13):1986 (Reaffirmed 2021) – Methods of Test for Soils – Direct Shear Test, Bureau of Indian Standards. 8. IS 2720 (Part 17):1986 (Reaffirmed 2021) – Methods of Test for Soils – Laboratory Determination of Permeability, Bureau of Indian Standards. 9. IS 2720 (Part 28):1974 (Reaffirmed 2021) – Methods of Test for Soils – Determination of Dry Density of Soils in Place, Bureau of Indian Standards. 10. IS 2720 (Part 30):1980 (Reaffirmed 2021) – Methods of Test for Soils – Laboratory Vane Shear Test, Bureau of Indian Standards. E-resources https://archive.nptel.ac.in/courses/105/101/105101160/ - Geotechnical Engineering Laboratory by Prof. J. N. Mandal, IIT Bombay PO
Source: Official Anna University – B.E. Civil Engineering (Environmental Engineering) R-2025 Syllabus
Last Updated: October 2026
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