Hydraulic Structures I (Handout).pdf - Addis Ababa...

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Addis Ababa UniversityFaculty of TechnologyDepartment of Civil EngineeringHYDRAULLIC STRUCTURES ILECTURE NOTEShimelis Behailu (M. Sc.)Addis AbabaMay 2006
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Course SyllabusCourse ObjectiveThis course provides a broad understanding of the basic principles of hydraulic structures. The emphasis is on design and analysis of different types of dams andspillways. Computer applications included.Course ContentReference Books:1.P. Novak, Hydraulic Structures2.S. R. Sahasrabudhe, Irrigation Engineeering and Hydraulic Structures3.S. K. Garg Irrigation Engineering and Hydraulic Structures4.V. T. Chow, Open Channel Hydraulics5.USBR, Design of Small DamsLearner Assessment 100%Assignment 10 %Project10%Mid Exam30 %Final Exam50 %InstructorShimelis Behailu (Ato).E-mail[email protected]Tel.+251-91-1411357 (Mob.)DefinitionForces acting onCombination of loads onTypes and Causes offailureDesign PrinciplePrincipal and ShearstressesElementary profile ofStress intensitiesStability analysisMerits and Demerits of4. Arch andButtress Dams3. Gravity Dam2. Foundation ofdams1.IntroductionTypes of damsCharacteristics of damsReservoir planningHydrology and geologyInvestigationTopography, Geology,SociologyResourceBudget InventoryFeasibility6. Spillways,Energy Dissipators,Intake and OutletworksTypesDesign7. Stable channelDesignandStream diversion5. EmbankmentDams
Addis Ababa UniversityHydraulic Structures IFebruary 08iTable of ContentsCourse Syllabus.......................................................................................................................iCourse Objective.....................................................................................................................iCourse Content........................................................................................................................iTable of Contents....................................................................................................................i1Introduction............................................................................................................11.1General........................................................................................................................11.2Types of dams.............................................................................................................11.3Characteristics of dams................................................................................................21.4Reservoir Planning......................................................................................................61.5Hydrology and geology................................................................................................71.6Environmental, Social, Economical and Political investigation..................................111.7Location criteria for dam and spillway site.................................................................111.8Dam site investigation...............................................................................................121.9Data collection...........................................................................................................121.10Site Requirement.......................................................................................................141.11Stages in Project Planning and Implementation..........................................................152Foundations of Dams and their Treatment.........................................................162.1General......................................................................................................................162.2Rock foundation........................................................................................................162.2.1General..............................................................................................................162.2.2Foundation treatment.........................................................................................162.2.3Measures against leakage...................................................................................172.2.4Drainage............................................................................................................172.2.5Stability of Dams and Strength of Rock Foundation...........................................182.3Earth foundation........................................................................................................182.3.1General..............................................................................................................182.3.2Gravel and sand foundation................................................................................192.3.3Estimation of seepage amount............................................................................192.3.4Piping................................................................................................................202.3.5Uplift pressure and control of seepage................................................................212.3.6Theories of Seepage Flow..................................................................................242.3.7Uplift pressure and seepage under masonry structures on pervious foundations .. 252.3.8Silt and clay foundation......................................................................................273Concrete Gravity Dam.........................................................................................283.1General......................................................................................................................283.2Forces acting on gravity dams....................................................................................283.2.1Water pressure...................................................................................................283.2.2Wight of Structure..............................................................................................303.2.3Earth and silt pressure........................................................................................313.2.4Wind pressure....................................................................................................313.2.5Wave pressure and wave height.........................................................................313.2.6Earthquake forces...............................................................................................323.3Load combination for Design.....................................................................................343.4Reaction of the foundation.........................................................................................343.5Rules Governing the Design of Gravity Dams............................................................35
Addis Ababa UniversityHydraulic Structures IFebruary 08ii3.6Theoretical versus practical section of a dam.............................................................383.7Design procedure of gravity dams..............................................................................383.7.1Design methods.................................................................................................383.7.2

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Refrigeration and Air Conditioning Technology
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Chapter 22 / Exercise 16
Refrigeration and Air Conditioning Technology
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