Subject: Soil Mechanics
Subject Code: CE2251
University: Anna University
Type: Anna University Question Paper for Civil
Semester: Fourth
Department: Civil
Regulation: 2008/2010/2012
Batches:2008/2009/2010/2012
CE2251 Soil Mechanics Syllabus
UNIT I INTRODUCTION
Nature of Soil - Problems with soil - phase relation - sieve analysis - sedimentation analysis –
Atterberg limits - classification for engineering purposes - BIS Classification system - Soil
compaction - factors affecting compaction – field compaction methods and monitoring.
UNIT II SOIL WATER AND WATER FLOW
Soil water – Various forms – Influence of clay minerals – Capillary rise – Suction - Effective
stress concepts in soil – Total, neutral and effective stress distribution in soil - Permeability –
Darcy’s Law- Permeability measurement in the laboratory – quick sand condition - Seepage –
Laplace Equation - Introduction to flow nets –properties and uses - Application to simple
problems.
UNIT III STRESS DISTRIBUTION, COMPRESSIBILITY AND SETTLEMENT
Stress distribution in soil media – Boussinesque formula – stress due to line load and Circular
and rectangular loaded area - approximate methods - Use of influence charts – Westergaard
equation for point load - Components of settlement - Immediate and consolidation settlement -
Terzaghi's one dimensional consolidation theory – governing differential equation - laboratory
consolidation test – Field consolidation curve – NC and OC clays - problems on final and time
rate of consolidation
UNIT IV SHEAR STRENGTH
Shear strength of cohesive and cohesionless soils - Mohr - Coulomb failure theory – Saturated
soil - Strength parameters - Measurement of shear strength, direct shear, Triaxial compression,
UCC and Vane shear tests –Types of shear tests based on drainage and their applicability -
Drained and undrained behaviour of clay and sand – Stress path for conventional triaxial test.
UNIT V SLOPE STABILITY
Slope failure mechanisms - Modes - Infinite slopes - Finite slopes – Total and effective stress
analysis - Stability analysis for purely cohesive and C- soils - Method of slices – Modified
Bishop’s method - Friction circle method - stability number – problems – Slope protection
measures.
Subject Code: CE2251
University: Anna University
Type: Anna University Question Paper for Civil
Semester: Fourth
Department: Civil
Regulation: 2008/2010/2012
Batches:2008/2009/2010/2012
Anna University Syllabus For CE2251 Soil Mechanics Syllabus
CE2251 Soil Mechanics Syllabus
UNIT I INTRODUCTION
Nature of Soil - Problems with soil - phase relation - sieve analysis - sedimentation analysis –
Atterberg limits - classification for engineering purposes - BIS Classification system - Soil
compaction - factors affecting compaction – field compaction methods and monitoring.
UNIT II SOIL WATER AND WATER FLOW
Soil water – Various forms – Influence of clay minerals – Capillary rise – Suction - Effective
stress concepts in soil – Total, neutral and effective stress distribution in soil - Permeability –
Darcy’s Law- Permeability measurement in the laboratory – quick sand condition - Seepage –
Laplace Equation - Introduction to flow nets –properties and uses - Application to simple
problems.
UNIT III STRESS DISTRIBUTION, COMPRESSIBILITY AND SETTLEMENT
Stress distribution in soil media – Boussinesque formula – stress due to line load and Circular
and rectangular loaded area - approximate methods - Use of influence charts – Westergaard
equation for point load - Components of settlement - Immediate and consolidation settlement -
Terzaghi's one dimensional consolidation theory – governing differential equation - laboratory
consolidation test – Field consolidation curve – NC and OC clays - problems on final and time
rate of consolidation
UNIT IV SHEAR STRENGTH
Shear strength of cohesive and cohesionless soils - Mohr - Coulomb failure theory – Saturated
soil - Strength parameters - Measurement of shear strength, direct shear, Triaxial compression,
UCC and Vane shear tests –Types of shear tests based on drainage and their applicability -
Drained and undrained behaviour of clay and sand – Stress path for conventional triaxial test.
UNIT V SLOPE STABILITY
Slope failure mechanisms - Modes - Infinite slopes - Finite slopes – Total and effective stress
analysis - Stability analysis for purely cohesive and C- soils - Method of slices – Modified
Bishop’s method - Friction circle method - stability number – problems – Slope protection
measures.
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