Module 1
Site investigation and Soil exploration: Objectives – planning – reconnaissance methods of subsurface exploration-test pits, auger borings – rotary drilling – depth and spacing of borings – bore log – soil profile – location of water table-sampling – disturbed and undisturbed samples. Standard Penetration test – Static and dynamic cone penetration test – field vane shear test – Geophysical methods.
Stress Distribution: Boussinesque’s and Westergaard’s equations for vertical pressure due to point loads and u.d.l. – assumptions and limitations – pressure bulb – Newmark charts and their use.
Site investigation and Soil exploration: Objectives – planning – reconnaissance methods of subsurface exploration-test pits, auger borings – rotary drilling – depth and spacing of borings – bore log – soil profile – location of water table-sampling – disturbed and undisturbed samples. Standard Penetration test – Static and dynamic cone penetration test – field vane shear test – Geophysical methods.
Stress Distribution: Boussinesque’s and Westergaard’s equations for vertical pressure due to point loads and u.d.l. – assumptions and limitations – pressure bulb – Newmark charts and their use.
Module 2
Earth Pressure: General & local State of plastic equilibrium. Earth pressure at rest – active and passive. Rankine’s and Coulomb’s theories of cohesionless and cohesive soils – influence of surcharge and water table.
Rehban’s and Culman’s graphical methods: Sheeting and bracings in shallow and deep excavations.
Sheet Piles: Common Types of Sheet Piles – Uses of Sheet pile walls
Earth Pressure: General & local State of plastic equilibrium. Earth pressure at rest – active and passive. Rankine’s and Coulomb’s theories of cohesionless and cohesive soils – influence of surcharge and water table.
Rehban’s and Culman’s graphical methods: Sheeting and bracings in shallow and deep excavations.
Sheet Piles: Common Types of Sheet Piles – Uses of Sheet pile walls
Module 3
Bearing capacity: Definitions – ultimate and allowable – plate load test – factors affecting – Terzaghi’s and Skempton’s analysis – bearing capacity factors and charts – effect of watertable – bearing capacity from building codes andSPT values – Methods of improving bearing capacity – vibroflotation and sand drains.
Settlement analysis: Distribution of contact pressure estimation of immediate and consolidation settlement – causes of settlement – permissible, total and differential settlement – methods of reducing differential settlement.
Bearing capacity: Definitions – ultimate and allowable – plate load test – factors affecting – Terzaghi’s and Skempton’s analysis – bearing capacity factors and charts – effect of watertable – bearing capacity from building codes andSPT values – Methods of improving bearing capacity – vibroflotation and sand drains.
Settlement analysis: Distribution of contact pressure estimation of immediate and consolidation settlement – causes of settlement – permissible, total and differential settlement – methods of reducing differential settlement.
Module 4
Foundation: General consideration – Functions of foundation – shallow and deep foundation – different types of foundation -Selection of type of foundation-steps involved.
Footings: Design of individual, continuous and combined footings – footings subjected to eccentric loading – proportioning footings for equal settlement.
Foundation: General consideration – Functions of foundation – shallow and deep foundation – different types of foundation -Selection of type of foundation-steps involved.
Footings: Design of individual, continuous and combined footings – footings subjected to eccentric loading – proportioning footings for equal settlement.
Module 5
Raft foundation: Bearing capacity equations – design procedure – floating foundation.
Pile foundation: Uses of piles – Classification of piles – Determination of load carrying capacity of axially loaded single vertical pile (static & dynamic formulae) pile load tests – negative skin friction – group action & pile spacings – settlement of pile group.
Caissons: Open, box, and pneumatic caissons, construction details of well foundation – problems of well sinking.
Raft foundation: Bearing capacity equations – design procedure – floating foundation.
Pile foundation: Uses of piles – Classification of piles – Determination of load carrying capacity of axially loaded single vertical pile (static & dynamic formulae) pile load tests – negative skin friction – group action & pile spacings – settlement of pile group.
Caissons: Open, box, and pneumatic caissons, construction details of well foundation – problems of well sinking.
Note
Structural design of foundations is not contemplated in this course.
Structural design of foundations is not contemplated in this course.
References
1. Arora K. R, Soil Mechanics & Foundation Engineering, Standard Publishers , Distributors.
2. Joseph E.Bowles, Foundation Analysis and Design, McGraw Hills Publishing Company.
3. Ninan P. Kurian, Modern Foundations, Tata McGraw Hills Publishing Company.
4. Peck, Hansen & Thornburn, Foundation Engineering.
5. W.C. Teng, Foundation Design.
6. Hans. F. Winterkorn & Hsai Yang Fang, Foundation Engineering Hand Book, Van Nostrand Reinhold Company.
2. Joseph E.Bowles, Foundation Analysis and Design, McGraw Hills Publishing Company.
3. Ninan P. Kurian, Modern Foundations, Tata McGraw Hills Publishing Company.
4. Peck, Hansen & Thornburn, Foundation Engineering.
5. W.C. Teng, Foundation Design.
6. Hans. F. Winterkorn & Hsai Yang Fang, Foundation Engineering Hand Book, Van Nostrand Reinhold Company.
mg university b.tech s6 civil syllabus