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【英文标准名称】:StandardTestMethodforOpenChannelFlowMeasurementofWaterwithBroad-CrestedWeirs
【原文标准名称】:用宽口堰测量明渠水流量的标准试验方法
【标准号】:ASTMD5614-1994(2003)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:水坝;宽的;明渠流量;河流;溢流堰;斜槽;雷诺数;水;试验;临界层排水量;堰口;水流和水流率;明渠流量测量;下游水
【英文主题词】:dams;flumes;open-channelflow;streamflow
【摘要】:Broad-crestedweirscanbeusedforaccuratemeasurementsofawiderangeofflowrates,buttheirstructuralsimplicityandsturdinessmakethemparticularlyusefulformeasuringlargeflowsunderfieldconditions.Becausetheyrequireverticalsidewalls,broad-crestedweirsareparticularlyadaptabletorectangularartificialchannelsortonaturalandartificialchannelsthatcanreadilybelinedwithverticalsidewallsintheimmediatevicinityoftheweir.1.1Thistestmethodcoversmeasurementofthevolumetricflowrateofwaterinopenchannelswithtwotypesofhorizontalbroad-crestedweirs:thosehavingasquare(sharp)upstreamcornerandthosehavingawell-roundedupstreamcorner.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】: