Dams & Hydraulics Structures for SPPU 19 Course (BE - VIII - Civil - 401011) (Decode) (END SEM)

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Syllabus Dams and Hydraulics Structures - (401011) Credits Examination scheme 03 End semester exam : 70 Marks Unit 3 : Spillway Introduction, location of spillway, different key levels and heads in spillway, spillway capacity, components of spillway, approach channel, control structure, discharge channel, energy dissipation, energy dissipation device, tail channel, classification of spillway, classification based on operation, main or service spillway, auxiliary spillway, emergency spillway, classification based on gates, gated spillway, ungated spillway, classification based on features, straight drop spillway (free overflow spillway), saddle spillway, side channel spillway, overflow or ogee spillway, chute or open channel or trough spillway, shaft or morning glory spillway, siphon spillway, conduit or tunnel spillway, stepped spillway. Design of ogee spillway or overflow spillway, shape of crest, equations for spillway profile on upstream and downstream, energy dissipation below spillway, classification of energy dissipation devices, stilling basin, components of stilling basin, types of stilling basins, Indian Standard stilling basin, correlation between jump height and tail water depth, methods of energy dissipation for stilling basin, design of roller bucket and ski-jump bucket, introduction to orifice type of spillway and spillway gates. (Chapter - 5) Unit 4 : Earthen dam Introduction, conditions favoring on earth dam, limitations of earth dam, classification of earth dam, classification based on materials, methods of construction, height; selection of type of earth dam, components of earth dam, requirements for safe design of earth dam, hydraulic (seepage) analysis, plotting of phreatic (seepage) line, homogeneous earth dam with horizontal drainage blanket, determination of seepage discharge using flow net. Composite earth dam with casing and hearting, properties of phreatic line, determination of seepage discharge through earth dam using flow net, structural stability analysis of homogeneous and zoned earth dam, forces acting on earth dam, method of stability analysis of an earth dam, procedure of analysis by Swedish slip circle method, fellenius method of locating center of critical slip circle, stability analysis for foundation, failure of earth dam, classification of failure of earth dams, hydraulic failure, seepage failure, structural failure, seepage control in earth dams, causes of seepage, seepage control measures, construction of earth dam. (Chapter - 6) Unit 5 : Canals Introduction, classification of canals, classification based on alignment, classification based on soil, classification based on source of supply, classification based on discharge, classification based on lining, classification based on excavation, components of canal, data required for canal design, selection of canal alignment, design of stable canal in alluvial beds, Kennedy’s theory, design of canal by Kennedy’s theory, limitations of Kennedy’s theory, Lacey’s regime theory, design of canal by Lacey’s theory, design of lined canal, canal lining, necessity of canal lining, requirement of lining material and types of lining. Canal Structures : canal falls, canal outlets, canal escapes, canal regulators. (Chapters - 7, 8) Unit 6 : Diversion Head Works Introduction, function of diversion head works, selection of sites for diversion head works, components of diversion head works, design of weir on permeable foundation, criteria for safe design of weir floor, brief introduction to Bligh and Lane’s theory, Khosla’s theory based on potential theory approach, Khosla’s theory on independent variables, design of weirs on permeable foundations. C. D. Works : Introduction, Necessity of Cross Drainage works, Selection of site for Cross Drainage work, Selection of suitable type of C. D. works, data required for design of cross drainage work, classification of cross drainage works. Drain over canal : siphon, super passage. Canal over drain : aqueduct, siphon aqueduct. Canal and drain water meeting at same level : level crossing, inlet and outlet, design considerations for cross drainage works. (Chapters - 9, 10)

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Pages: 168 Edition: 2024 Vendors: Technical Publications