Soil Mechanics (SM) Full Hand Written Lecture Notes from Reputed Institutions and Faculties. Useful for Civil Engineers , Specially for Candidates Appearing for GATE Exams.
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Soil mechanics
Geological cycle
Types of soils
1. Alluvial soil
2. Lacustrine soil
3. Marine soil
4. Aeoline soil
5. Glacial soil
6. Colluvial soil
7. Loess soil
8. Marl soil
9. Bentonite soil
10. Tuff soil
11. Loam soil
12. Laterite soil
13. Gumbo soil
14. Peat soil
15. Muck soil
Properties of soil
Void ratio
Porosity
Degree of saturation
Air content
Percentage air voids
Unit weight
Dry unit weight
Saturated unit
Submerged unit
Specific gravity
Density index
Relative compaction
Interrelationship b/w properties of soil
Cubical array
Rhomohedral array
Index properties of soil
a. Water content
b. Sand bath method
c. Alcohol method
d. Calcium carbide method
e. Pycnometer method
f. Radiation method
g. Torsional balance method
h. Specific gravity
i. Unit weight
j. Sand replacement method
Particle size distribution
Sedimentation analysis
Limitations of stoke’s law
Pipette method
Hydrometer Method
• Meniscus correction
• Temperature correction
• Dispersing agent correction ]
Consistency of soil
Liquid limit
Plastic limit
Shrinkage limit
Determination of shrinkage limit
Shrinkage ratio
Linear shrinkage
Degree of shrinkage
Consistency indices
Relative consistency
Water consistency
Toughness index
Sensitivity and thixotrophy
Activity
Collapsibility
Classification of soil
1. Particle size
2. Textural classification
3. HRB classification
4. Indian soil classification system
Coarse grained soils
Fine grained soils
Soil structures
Structures of composite soil
Clay mineralogy
Mont morillonite
Illite
Soil water
Bulking of sand
Slaking of clay
Capillary siphoning
Frost action
Stress in soil
Soil mass with capillary fringe
Partially saturated soils
Permeability
Darcy’s law
Factors affecting permeability
Structure of soil
Determination of permeability
Laboratory method
Falling head method
Capillary permeability test
Field method
Indirect method
Loudens method
Consolidation method
Seepage
Seepage pressure
Flow net and laplace equation
Determination of hydrostatic pressure
Stress distribution in soil
Wastergaards theory
Strip load method
New marks method
Compaction
Factors affecting compaction
Rammers
Vibrators
Type of soil
Effect of compaction
Sheet pile walls
Stability of slopes
Stability analysis of infinite slopes
Stability analysis of finite slopes
Friction circle method
Compressibility of soil
Shear strength of soil
Types of shear
Shear characteristics of clays
Foundation engineering
Types
Guidelines
Shallow foundation
Analytical method
Soil stabilization
Soil exploration
Foundation on expensive soil
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