【英文标准名称】:StandardTestMethodforOpen-ChannelFlowMeasurementofWaterbyVelocity-AreaMethod
【原文标准名称】:用速度面积法测量明渠水流量的标准试验方法
【标准号】:ASTMD3858-1995(2003)
【标准状态】:现行
【国别】:
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D19.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:运河;测量;水;速度;流速
【英文主题词】:dischargemeasurement;openchannelflow;waterdischarge
【摘要】:Thistestmethodisusedtomeasurethevolumerateofflowofwatermovinginriversandstreamsandmovingoverorthroughlargeman-madestructures.Itcanalsobeusedtocalibratesuchmeasuringstructuresasdamsandflumes.Measurementsmaybemadefrombridges,cableways,orboats;bywading;orthroughholescutinanicecover.Thistestmethodisusedinconjunctionwithdeterminationsofphysical,chemical,andbiologicalqualityandsedimentloadingswheretheflowrateisarequiredparameter.1.1Thistestmethodcoversthemeasurementofthevolumerateofflowofwaterinopenchannelsbydeterminingtheflowvelocityandcross-sectionalareaandcomputingthedischargetherefrom(Refs(1-7)).178;1.2Theproceduresdescribedinthistestmethodarewidelyusedbythoseresponsibleforthecollectionofstreamflowdata,forexample,theU.S.GeologicalSurvey,BureauofReclamation,U.S.ArmyCoprsofEngineers,U.S.DepartmentofAgriculture,WaterSurveyCanada,andmanystateandprovincialagencies.Theproceduresaregenerallyfrominternaldocumentsoftheabovelistedagencies,whichhavebecomethedefactostandardsasusedinNorthAmerica.1.3Thistestmethodcoverstheuseofcurrentmeterstomeasureflowvelocities.Dischargemeasurementsmaybemadetoestablishisolatedsinglevalues,ormaybemadeinsetsorinaseriesatvariousstagesorwater-levelelevationstoestablishastage-dischargerelationatasite.Ineithercase,thesametestmethodisfollowedforobtainingfielddataandcomputationofdischarge.1.4MeasurementsforthepurposeofdeterminingthedischargeinefficiencytestsofhydraulicturbinesarespecifiedinInternationalElectrotechnicalCommissionPublication41179;forthefieldacceptancetestsofhydraulicturbines,andarenotincludedinthistestmethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】: