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Introduction to Foundation Engineering By: Alka Shah Civil Engineering Department Institute of Technology Nirma University

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Introduction to Building Construction Materials CL302

Introduction to Foundation EngineeringBy:Alka ShahCivil Engineering DepartmentInstitute of TechnologyNirma University

Hiding world of Geotechnical Engineering

Geotechnical Eng. StructuresBuried right Under your Feet!!Terzaghi says:(Father of Soil Mechanics)

Unfortunately, soils are made by nature and not byman, and the products of nature are always complex

Natural soil is never uniform

Karl Terzaghi (1883-1963)

Lectures/week:3Practical/week:2Credit:4Exam WeightageExam HoursCELPWSEESEE0.400.200.403Teaching SchemeSyllabus

Soil Investigations: Methods of exploration, exploratory borings, sampling methods, disturbed and undisturbed samples, penetration tests, miscellaneous methods of exploration, record of field exploration and laboratory tests, soil investigation reports, testing in rocky strata, plate load test.

Types of Foundation : Shallow foundation isolated footing, combined footing, strap footing, strip footing, raft foundation, Deep foundation well foundation, pile foundation, floating foundations; factors affecting choice of foundation, Design of Foundation : Design of shallow foundation isolated, combined, raft foundation and deep foundation pile and well foundation, foundation subjected to lateral loads

Bearing Capacity of Foundation: Bearing capacity of shallow and deep foundations based on shear and settlement criteria, bearing capacity in sandy and clayey strata, factors affecting soil bearing capacity, bearing capacity from penetration tests, bearing capacity of rock. Consolidation of soils: Consolidation, compressibility of soils, settlement analysis, Terzaghis one dimensional consolidation theory, settlement characteristics of clay & its evaluation.

Settlement of Foundation: Causes of settlement, settlement on sandy strata, clayey strata, layered soil, factors affecting settlement, control of settlement.

Earth Pressure and Retaining Structures : Active and passive earth pressure due to cohesive soil, noncohesive soil, submerged soil, level and inclined backfill, Rankines theory, Coulombs theory, pressure calculations for retaining walls, design of sheet piling.

Stability of Slopes: Stability of slope in cohesive and noncohesive soils, factor of safety, methods for analysis of stability of slopes.

Ground Improvement Techniques : Drainage, dewatering , grouting, compaction, stabilization of soils, Lime and Cement stabilization, use of Geosynthetics, vibroflotation, sand pile, reinforced earth structure, rock anchors etc.

Introduction to Machine foundation

Introduction to advances in Geotechnical engineering List of Reference booksCoduto D.P., Foundation design; principles and practices, Pearson PublicationBowles J.W., Foundation Analysis and Design, Tata Mc-Graw HiillBraja M Das, Principles of Foundation Engineering, C.B.S Publishers Arora K.R., Soil Mechanics and Foundation Engg, Standard Publication Murthy V.N.S., Advanced Foundation Engineering, Global Engineering Gulhati S.K. and Datta M., Geotechnical Engineering, Tata Mc-Graw HiillKhan I.N., Text book of Geotechnical Engineering, PHI LearningTo prepare graduates in Civil Engineering for successful careers dealing with analysis, design and management of infrastructural projects both in India and Abroad. It must alsonhelp them to develop an intelligent understanding of the theoretical bases of various codal provisions in design, construction and maintenance.

To provide the students with a comprehensive and balanced understanding of the several branches of Civil Engineering such as Structural Engineering, Geotechnical Engineering, Transportation Engineering, Hydraulic and Water Resources Engineering, Environmental Engineering and Engineering breadth to create novel products and solutions for the real-life problems.

To provide opportunities to students to work in interdisciplinary projects across the various branches of Civil Engineering.

To provide students with a sound foundation in mathematical and scientific subjects which are necessary prerequisites for a clear and sound understanding of Civil Engineering as a whole and to encourage those students who are motivated to go for Postgraduate programmes in the branch of their interest. Those wishing to enter services through competitive examination should also be encouraged.

To create an understanding among the student body the values of life-long learning and to inculcate in them professional ethics, moral values and social concern.PROGRAMME EDUCATIONAL OBJECTIVES (PEOs):Programme Outcomes: (POs)

a) Graduates will demonstrate a sound knowledge of basic mathematics and sciences asbuilding blocks of the Civil Engineering discipline.

b) Graduates will demonstrate ability to conduct tests, interpret the results and report themin a professional format.

c) Graduates will demonstrate the ability to design Civil Engineering systems followingspecifications and meeting individual requirements.

d) Graduates will demonstrate their ability as productive members of interdisciplinarydesign teams.

e) Graduates will have the ability to identify problems and find solutions for them in themost cost-effective manner.f) Graduates will display an understanding of their professional responsibilities meeting ethical standards.

g) Graduates will be able to communicate in both verbal and written forms and makeeffective presentations.

h) Graduates will have the confidence to apply engineering solutions, addressing social concerns.

i) Graduates will be capable of self-education and clearly understand the value of life-long learning.

j) Graduates will demonstrate an understanding of the impact of Civil Engineering ofsociety in enhancing the quality of life of the people.

k) Graduates will be familiar with modern Civil Engineering professional software tools and demonstrate their ability in applying them for the solution of design situations they face.Expected Course Learning Outcomes (CLO)After successful completion of the course, student will be able toInvestigate various types of soils through exploration methods and to compute bearing capacityIdentify, assess, recommend and design deep and shallow foundationCalculate factor of safety for stability of slope and ground improvement techniquesMapping of Course Learning Outcomes with Programme OutcomesPO1PO2PO3PO4PO5PO6PO7PO8PO9PO10CLO1SPP-------CLO2SSW--W-W--CLO3PWW-WW----S : Strong (60% - 80%), M : Moderate (40% - 60%) , P : Partial (20% - 40%)Mapping of Course with Programme OutcomesCourse NamePO1PO2PO3PO4PO5PO6PO7PO8PO9PO10FoundationEngineeringSSW--W----S : Strong (60% - 80%), P : Partial (40% - 60%) , W : Weak (20% - 40%)Syllabus Covered by Prof. Alka Shah

Earth pressureBearing CapacityDesign of FoundationPile FoundationGround Improvement Techniqueuse of GeosyntheticsSoil DynamicsGeophysical methodsIntroduction to Machine foundationIntroduction to soil structure InteractionREVISIONSoil index propertiesConsistency limitsPermeabilityCompactionShear strength