【英文标准名称】:StandardTestMethodfor(FieldProcedure)forInstantaneousChangeinHead(Slug)TestsforDeterminingHydraulicPropertiesofAquifers
【原文标准名称】:测定蓄水层水力特性用水头瞬息变化(冲击)试验的标准试验方法(现场程序)
【标准号】:ASTMD4044-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D18.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aquifertests;aquifers;groundwater;hydraulicconductivity;hydraulicproperties;instantaneousheadtest;slugtests;storagecoefficient;transmissivity;Aquifers;Controlwells;Fieldtesting--groundwater/aquifers;Groundwater;Hydraulicconductiv
【摘要】:Thisslugtestfieldprocedureisusedinconjunctionwithaslugtestanalyticalprocedure,suchasTestMethodD4104toprovidequickandrelativelyinexpensiveestimatesoftransmissivity.Theslugtestprovidesanadvantageoverpumpingtestsinthatitdoesnotrequirethedisposalofthelargequantitiesofwaterthatmaybeproduced.Thisisofspecialimportancewhentestingapotentiallycontaminatedaquifer.However,slugtestsreflectconditionsnearthewell,thereforeareinfluencedbynear-wellconditions,suchasgravelpack,poorwelldevelopment,andskineffects.Slugtestsmaybemadeinaquifermaterialsoflowerhydraulicconductivitythangenerallyconsideredsuitableforhydraulictestingwithpumpingtests.Themethodofdataanalysis(analyticalprocedure)shouldbeknownpriortothefieldtestingtoensurethatallappropriatedimensionsandmeasurementsareproperlyrecorded.SelectionoftheanalyticalprocedurecanbeaidedbyusingGuideD4043,TestMethodD5785,TestMethodD5881,andTestMethodD5912.1.1Thistestmethodcoversthefieldprocedureforperforminganinsituinstantaneouschangeinhead(slug)test.1.2ThistestmethodisusedinconjunctionwithananalyticalproceduresuchasTestMethodD4104todetermineaquiferproperties.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P55
【国际标准分类号】:13_060_10
【页数】:3P.;A4
【正文语种】:英语