HYDRAULIC DESIGN OF NAVIGATION DAMS

USArmyCorpsofEngineersEM1110-2-160512May1987HydraulicDesignofNavigationDamsENGINEERMANUALDEPARTMENTOFTHEARMYEM1110-2-1605U.S.ArmyCorpsofEngineersDAEM-ECE-HDWashington,DC20314-1000EngineerManualNo.1110-2-160512May1987EngineeringandDesignHYDRAULICDESIGNOFNAVIGATIONDAMS1.Purpose.Thismanualprovidescurrentguidanceandengineeringproceduresforthehydraulicdesignofnavigationdams.2.Applicability.ThismanualappliestoallHQUSACE/OCEelementsandfieldoperatingactivities(FOA)havingresponsi-bilityforthedesignofcivilworksprojects.3.General.Subjectscoveredaredesign,construction,andoperationofnavigationdams.Thegoalofagooddesignistoprovideacosteffectivestructurewithconsiderationgiventosocialandenvironmentalimpacts.FORTHECOMMANDER:ARTHURE.WILLIAMSColonel,CorpsofEngineersChiefofStaffThismanualsupersedesEM1110-2-2606datedJune1952iDEPARTMENTOFTHEARMYEM1110-2-1605USArmyCorpsofEngineers12May87DAEN—ECE—HDWashington,DC20314-1000EngineerManualNo.1110—2—1605EngineeringandDesignHYDRAULICDESIGNOFNAVIGATIONDAMSTableofContentsSubjectParagraphPageChapter1.INTRODUCTIONSectionI.GeneralPurpose-----------------------------------1-11-1Applicability-----------------------------1-21-1References--------------------------------1-31-1Bibliography------------------------------1-41-2Symbol------------------------------------1-51-2OtherGuidanceandDesignAids------------1-61-2WESCapabilitiesandServices-------------1-71-2DesignMemorandumPresentations-----------1-81-3SectionII.TypicalNavigationProjectsNavigationDams---------------------------1-91-3BasicProjectComponents------------------1-101-3SupplementalProjectComponents-----------1-111-3SectionIII.SpecialConsiderationsSafety------------------------------------1-121-4Environmental-----------------------------1-131-4Aesthetics--------------------------------1-141-5CHAPTER2.PROJECTIDENTIFICATIONSectionI.NavigationSystemsGeneralConsiderations--------------------2-12-1SectionII.ProjectPurposesGeneral-----------------------------------2-22-1Purposes----------------------------------2-32-1SectionIII.ProjectStudiesGeneral-----------------------------------2-42-2ProjectWaterRequirements----------------2-52-2PoolLevels-------------------------------2-62-2PoolStorage------------------------------2-72-3Environmental-----------------------------2-82-3Foundations-------------------------------2-92-4EM1110-2-160512May87iiSubjectParagraphPageCHAPTER3.PROJECTPARAMETERSSectionI.HydrologyGeneral-----------------------------------3-13-1BasinDescription-------------------------3-23-1HydrologicData---------------------------3-33-1HydrologicDataSources-------------------3-43-2HydrologicModel--------------------------3-53-4FlowComputations-------------------------3-63-4SectionII.HydraulicsGeneral-----------------------------------3-73-6ChannelDischargeRatingCurves-----------3-83-7Water-SurfaceProfiles--------------------3-93-7SpecificProfileUses---------------------3-103-8NavigationPoolLevelStability-----------3-113-9SectionIII.SedimentationGeneral-----------------------------------3-123-9Problems----------------------------------3-133-10SedimentDataNeeds-----------------------3-143-10SedimentationStudy-----------------------3-153-10AnalysisTool-----------------------------3-163-11SedimentControlMeasures-----------------3-173-12SectionIV.IceConditionsGeneral-----------------------------------3-183-13CHAPTER4.PROJECTLAYOUT(SITINGOFSTRUCTURES)General-----------------------------------4-14-1UpperPoolElevation----------------------4-24-1NavigationConsiderations-----------------4-34-1Foundations-------------------------------4-44-1SedimentMovement-------------------------4-54-2ChannelRectification---------------------4-64-2ChannelStabilization---------------------4-74-2CHAPTER5.PROJECTDESIGNSectionI.SpillwayDesignGeneral-----------------------------------5-15-1CrestDesign------------------------------5-25-1SpillwayCapacityforHigh-HeadDams------5-35-3SpillwayCapacityforLow-HeadDams-------5-45-6PoolTailwaterRelationships--------------5-55-8PoolElevations---------------------------5-65-8DischargeRatingCurvesforGated,Broad-CrestedWeirs---------------------------5-75-9OverflowEmbankments----------------------5-85-17EM1110-2-160512May87iiiSubjectParagraphPageStillingBasinDesign---------------------5-95-19ApproachArea-----------------------------5-105-27ExitArea---------------------------------5-115-28SpillwayGates----------------------------5-125-34GateTypesandSelection------------------5-135-35TainterGateDesign-----------------------5-145-39Vertical-LiftGateDesign-----------------5-155-43SpillwayPiers----------------------------5-165-43Abutments---------------------------------5-175-46SectionII.DesignofOtherAppurtenancesNavigablePasses--------------------------5-185-47Low-FlowandWaterQualityReleases-------5-195-47FishPassageFacilities-------------------5-205-47IceControlMethods-----------------------5-215-47SectionIII.ModelStudiesGeneral-----------------------------------5-225-49SectionIV.ExampleDesignKnownInformation-------------------------