CE-701 · Geotechnical Engg/Official Syllabus
Geotechnical Engg (CE-701) - Official Syllabus
1
Unit 1
INTRODUCTION, INDEX PROPERTIES AND CLASSIFICATION OF SOILS
- Definition and scope of soil mechanics
- Origin of soil
- formation of soil
- clay minerals
- Soil structure
- 3-phase soil system
- Basic terminology, and their relations
- index properties of soil - Water content
- Field density
- Specific gravity
- Grain size distribution by sieve and hydrometer analysis
- Relative density
- Atterberg limits and their determination
- Flow-Index
- Plasticity Index
- Toughness Index
- Liquidity Index
- Activity Ratio
- Different Systems of Soil Classification - Particle Size, Textural, Unified, HRB and IS classification
- Field identification of soils
2
Unit 2
PERMEABILITY, EFFECTIVE STRESS AND SEEPAGE THROUGH SOILS
- Types of soil water
- Capillarity in soils
- Flow of water through soils
- Darcye28099s Law
- permeability
- Factors affecting permeability
- Laboratory & field tests for determination of coefficient of permeability
- Permeability of layered soils
- Seepage pressure
- total, Neutral and effective stress
- Upward and downward seepage through soils
- Flow nets: characteristics
- Methods of construction of flow net
- Application of flow net
- Quick condition
- Laplace Equation for two-dimensional flow
- Seepage through anisotropic soil and non-homogenous soil
- Seepage through earth dam
3
Unit 3
STRESS DISTRIBUTION IN SOILS AND COMPACTION
- Boussinesqe28099s and Westergarde28099s theories for point load
- Uniformly loaded circular and rectangular areas
- Pressure bulb
- Variation of vertical stress under point load along vertical and horizontal plane
- Newmarke28099s influence chart for irregular areas
- Contact pressure distribution in sands and clays
- Mechanism importance of compaction
- Standard Proctor compaction test
- Modified compaction test
- Factors affecting compaction
- Effects of compaction on soil properties
- Field compaction equipment and compaction quality control
4
Unit 4
CONSOLIDATION
- Types of compressibility
- Spring analogy
- Immediate settlement
- Primary consolidation and secondary consolidation
- Stress history of clay
- e-p and e-log p curves
- Normally consolidated soil
- Over consolidated soil and under consolidated soil
- Pre-consolidation pressure and its determination
- Consolidation test
- Terzaghie28099s 1-D consolidation theory
- Coefficient of consolidation
- Square root time and Logarithm of time fitting methods
- Computation of total settlement
5
Unit 5
SHEAR STRENGTH & STABILIZATION OF SOILS
- Definition and importance of shear strength
- Mohr and coulomb failure theories
- Mohre28099s Stress Circles
- Measurement of shear strength-Different types of Shear Test namely, Direct Shear Test, Unconfined Compression Test, Tri Axial Compression Test & Vane Shear Test for strength parameters
- Strength tests based on drainage conditions
- Measurement of pore pressure
- Pore pressure parameters
- Strength envelops
- shear strength of sands
- Critical void ratio
- Liquefaction
- Shear strength of clays
- Factors affecting shear strength of granular soils and cohesive soils
- STABILIZATION OF SOIL: Introduction
- Mechanical stabilization
- Cement stabilization
- Lime stabilization
- Bituminous stabilization
- Chemical stabilization
- Thermal stabilization
- Electrical stabilization
- Stabilization by grouting
- Use of geo-synthetic materials, Types, Functions and applications of geo-synthetics
- Reinforced earth structures-components and construction
Laboratory Experiments
- Determination of water content by Oven drying method
- Determination of water content by Pycnometer
- Determination of soil field density by core cutter method
- Determination of soil field density by sand replacement method
- Determination of Specific Gravity By Pycnometer
- Determination of Consistency Limits (i) Liquid Limit (ii) Plastic Limit (iii) Shrinkage Limit
- Determination of liquid limit of soil by cone penetrometer
- Grain size analysis by sieve shaking method
- Grain size analysis of fine grained soil by sedimentation using (i) pipette (ii) hydrometer
- Determination of coefficient of permeability of soil by- (a) constant head method (b) variable head method
- Determination of compaction parameters by- (a) light compaction, (b) heavy compaction
- Direct Shear test
- Triaxial Test
- Unconfined Compression Strength Test
Reference Books
- Soil Mechanics & Foundations — B.C. Punamia
- Modern Geotechnical Engineering — Alam Singh
- Basic & Applied Soil Mechanics — Gopal Ranjan, ASR Rao
- Geotechnical Engineering — S.K Grag
Go to where you left off?
Quick Add to Notes
Save questions, your own notes and screenshots into notes filed by unit. It takes a free account.
Create free accountHave an account? Log in
Notes Panel