GROUND WATER DEVELOPMENT AND MANAGEMENTUNIT – IGround Water Occurrence: Ground water hydrologic cycle, origin of ground water,rock properties effecting ground water,vertical distribution of ground water, zone of aeration and zone of saturation,geologic formation as Aquifers, types ofaquifers, porosity, Specific yield and Specific retention.UNIT – IIGround Water Movement: Permeability, Darcy’s law, storage coefficient.Transmissivity, differential equation governingground water flow in three dimensions derivation, ground water flow equation inpolar coordinate system. Ground waterflow contours their applications.UNIT – IIIAnalysis of Pumping Test Data – I: Steady flow groundwater flow towards a wellin confined and unconfined aquifers –Dupit’s and Theism’s equations, Assumptions, Formation constants, yield of anopen well interface and well tests.UNIT – IVAnalysis of Pumping Test Data – II: Unsteady flow towards a well – Nonequilibrium equations – Thesis solution – Jocoband Chow’s simplifications, Leak aquifers.UNIT – VSurface and Subsurface Investigation: Surface methods of exploration – Electricalresistivity and Seismic refractionmethods. Subsurface methods – Geophysical logging and resistivity logging.Aerial Photogrammetry applications alongwith Case Studies in Subsurface Investigation.UNIT – VIArtificial Recharge of Ground Water: Concept of artificial recharge – rechargemethods, relative merits, Applications of GISand Remote Sensing in Artificial Recharge of Ground water along with Casestudies.UNIT – VIISaline Water Intrusion in aquifer: Occurrence of saline water intrusions, Ghyben-Herzberg relation, Shape of interface,control of seawater intrusion.UNIT – VIIIGroundwater Basin Management: Concepts of conjunction use, Case studies..
PAVEMENT ANALYSIS AND DESIGN(ELECTIVE –IV)UNIT – ITypes of pavement – Factors affecting design of pavements – wheel loads –ESWLConcept- tyre pressure – contactpressure, Material characteristics – Environmental and other factors.UNIT – IIStresses in flexible pavement – layered systems concept – one layer system –Boussinesq Two layer system – BurmisterTheory for Pavement Design.UNIT – IIIStresses in rigid pavements – relative stiffness of slab, modulus of sub-gradereaction – stresses due to warping, stressesdue to loads, stresses due to friction.UNIT – IVPavement design: CBR Method of Flexible Pavement Design- IRC method offlexible pavement design.- AASHO Methodof Flexible Pavement designUNIT – VIRC method of Rigid pavement design – Importance of Joints in Rigid Pavements-Types of Joints – Use of Tie Bars andDowell Bars.UNIT – VIHighway Materials – Soil, Aggregate and Bitumen- Tests on aggregates –Aggregate Properties and their Importance-Tests on Bitumen – Bituminous Concrete- Requirements of Design Mix-Marshall’s Method of Bituminous Mix design.UNIT – VIIHighway construction – Construction of Earth Roads- Gravel Roads – WBMRoads- Bituminous Pavements- CementConcrete Roads- Steps in Construction- Reinforced Concrete Pavements – SoilStabilization – Methods and Objectives-Soil-cement Stabilization and Soil-lime Stabilization.UNIT – VIIINeed for Highway Maintenance- Pavement Failures- Failures in FlexiblePavements-Types and Causes-Rigid PavementFailures- Types and causes- Pavement Evaluation- Benkleman Beam method-Strengthening of Existing Pavements-Overlays.
SOIL DYNAMICS AND MACHINE FOUNDATIONS(ELECTIVE –V)UNIT – 1Theory of vibrations: Basic definitions- free and forced vibrations with and withoutdamping for single degree freedomsystem- Resonance and its effect – magnification – Logarithmic decrement –TransmissibilityUNIT – IINatural frequency of foundation – Soil system: Barkan’s and IS methods –pressure bulb concept – Pauw’s Analogy.UNIT – IIIWave propagation: Elastic waves in Rods – Waves in elastic Half space.UNIT – IVDynamic Soil Properties: Field and Laboratory methods of determination –Uphole, Down hole and cross hole methods –Cyclic plate load test – Block vibration test – Determination of Damping factor.UNIT – VMachine Foundations: Types, Design criteria, permissible amplitudes and bearingpressure.UNIT – VIBlock foundation: Degrees of freedom - analysis under different modes ofvibrationUNIT – VIIAnalysis of Two Degree freedom systems under free and forced vibrations-Principles of Design of Foundations forreciprocating and impact machines as per IS code.Unit – VIIIVibration Isolation: Types and methods – Isolating materials and their propertiesTEXT BOOKS:1) Handbook of Machine Foundations by P.Srinivasulu and G.V.Vaidyanathan,Tata McGraw Hill2) Soil Dynamics by Shamsher Prakash