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1、水工建筑物知识点（Knowledgepointsofhydraulicstructures）Thefifthchaptersluice1,thesluiceisalowheadbuilding,notonlytoblockthewater,andcanbeusedtoadjustthewaterlevel,discharge,dischargecontrol.Accordingtothetaskofsluicedividedinto:sluice,sluice,drainagesluice,flooddiversio
2、nsluice,tidalsluice,flushingsluice.Accordingtoitsstructureisdividedintoopenandclosedtypesluice.Part2:fromthesluicechamber,theupstreamanddownstreamconnectionconnectionsectionconsistsofthree.Themainfunctionofthechamberis:controlflow,connectthetwosides.Includingga
3、te,pier,floor,parapet,bridgeworkTraffic,bridgeandotherparts.Pier:separategatehole,theupperbearingstructure.Theupstreamconnectionsection:toguidetheflowsmoothlyintothechamber,theupstreamriverbedandbankprotectionfromerosion,andimperviouseffect.Downstreamconnection
4、s:themainroleisenergydissipation,erosionpreventionandsafetyisdischargedthroughtheseepageofsluicefoundationandthetwosides.3thefactorsinfluencingthedesignofsluicesluicegatetype,elevation;4,undergroundOutline:bedding,sheetpileandfloorandgroundcontactlineimpermeabl
5、e,whichisthefirstoftheseepageofsluicefoundationThelengthofstreamlines,lengthofthesluicefoundation.L>CH5,tocalculatetheseepageofsluicefoundationissolvingseepagepressure,seepagegradient,andverifythebeginningtodevelopundergroundoutlineanddrainageThelayoutmeetsther
6、equirements.Thecalculationmethodsare:netmethod,linearmethod,improvedresistancecoefficientmethod,finiteelementmethodandtheelectricanaloguetestmethod.Thelinearmethodassumesthattheslopeseepagealongthegroundcontouristhesame,accordingtothelinearchangeofheadloss.6,in
7、cludingthesluiceanti-seepagefacilities;(horizontalimperviousblanket),verticalcutoff(twoteeth,sheetpilewall),drainagefacilitiesreferstoThelayingofgravelseepageguidingroleinthelowerapron,masonrystoneseabottomorthefloorofthegateofthediffuse.7,themodeofenergydissip
8、ationgenerally:underflowenergydissipation.Energydissipationfacilitiesgenerallyused:apronandapronandantiscourtrough.Man'sroleis:furtherreductionoftheresidualenergyflow,safety
