Geotechnical Engineering - I
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Follow on Instagram for UpdatesGeotechnical Engineering - I Syllabus — Unit-wise Content
The official GTU curriculum for Geotechnical Engineering - I (subject code 2154003) as prescribed for Civil Infra · Semester 5 divides the course into 8 units, covering 71 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (2154003)Unit 1 Introduction
- Need for soil engineering studies
- Scope and limitation of geo-technical engineering in civil engineering
- Geological cycle and soil formation
- General characteristics of different types of soils
- Overview of different types of soils in Gujarat / India
Unit 2 Index Properties & Plasticity Characteristics
- Constituent of soil
- phase diagram
- Properties and interrelationship between: water density and unit weight
- Specific gravity
- void ratio
- degree of saturation
- air voids
- air content
- zero air void curve
- specific surface
- Plasticity characteristics: Liquid limit
- Plastic limit
- shrinkage limit and its determination
- Different indices
- field moisture equivalent
Unit 3 Particle Size Analysis
- Size and nomenclature of soil particles
- sieve analysis
- sedimentation analysis
- Particle size distribution curve and it’s uses
Unit 4 Soil Structure & Classification
- Soil Structure properties
- conditions for the formation of different structures
- particle shape & texture
- Soil classification based on constituents and structure
- field classification and related practice
- grain size distribution and consistency limit
- measurements of grain size distribution and consistency limit
- Free water and held water
- structural water and absorbed water
- capillary water
- total stress
- neutral stress and effective stress
Unit 5 Permeability & Seepage
- Darcy’s law & its validity
- co-efficiency of permeability
- determination of coefficient of permeability in field and laboratory
- seepage velocity
- effective stress
- quick sand phenomenon
- seepage pressure and piping
- flow net
Unit 6 Compaction
- Theory of compaction
- factors influencing Compaction
- Field compaction
- control of compaction in embankment
- effect of compaction in engineering properties
- quality control tests:Core Cutter and sand replacement
- nuclear and proctor penetrometer
- determination of relative density
Unit 7 Shear Strength
- Mohr strength theory
- Mohr-coulomb’s strength theory
- Direct shear test
- Tri-axial compression test
- unconfined compression test
- vane shear test
- Shear test based on drainage condition
Unit 8 Consolidation
- Compressibility of soil
- definitions and mechanism of consolidation
- spring analogy
- void ratio and effective stress Relation
- Terzaghi’s one dimensional consolidation theoretical equation
- Time factor
- one dimensional consolidation test
- laboratory and theoretical time curves
- determination of pre-consolidation pressure
- Consolidation settlement
- rate of settlement
- secondary compression
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