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ASTM D6028-1996(2010)e1 用改良的hantus方法测定越流性隔水层中包括蓄水层的封闭含水层水压特性的标准试验方法

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【英文标准名称】:StandardTestMethod(AnalyticalProcedure)forDeterminingHydraulicPropertiesofaConfinedAquiferTakingintoConsiderationStorageofWaterinLeakyConfiningBedsbyModifiedHantushMethod
【原文标准名称】:用改良的hantus方法测定越流性隔水层中包括蓄水层的封闭含水层水压特性的标准试验方法
【标准号】:ASTMD6028-1996(2010)e1
【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】:aquifers;aquifertests;confinedaquifers;confiningbeds;controlwells;groundwater;hydraulicproperties;leakance;leakyaquifers;observationwells;storagecoefficient;transmissivity;Storage--aquifers;Transmissivity;Confinedaquifer
【摘要】:Assumptions:Thecontrolwelldischargesataconstantrate,Q.Thecontrolwellisofinfinitesimaldiameterandfullypenetratestheaquifer.Theaquiferishomogeneous,isotropic,andareallyextensive.Theaquiferremainssaturated(thatis,waterleveldoesnotdeclinebelowthetopoftheaquifer).Theaquiferisoverlainorunderlain,orboth,everywherebyconfiningbedsindividuallyhavinguniformhydraulicconductivities,specificstorages,andthicknesses.TheconfiningbedsareboundedonthedistalsidesbyoneofthecasesshowninFig.1.1.1Thistestmethodcoversananalyticalprocedurefordeterminingthetransmissivityandstoragecoefficientofaconfinedaquifertakingintoconsiderationthechangeinstorageofwaterinoverlyingorunderlyingconfiningbeds,orboth.Thistestmethodisusedtoanalyzewater-levelorheaddatacollectedfromoneormoreobservationwellsorpiezometersduringthepumpingofwaterfromacontrolwellataconstantrate.Withappropriatechangesinsign,thistestmethodalsocanbeusedtoanalyzetheeffectsofinjectingwaterintoacontrolwellataconstantrate.1.2ThisanalyticalprocedureisusedinconjunctionwithTestMethodD4050.1.3Limitations8212;ThevaliduseofthemodifiedHantushmethod(1)islimitedtothedeterminationofhydraulicpropertiesforaquifersinhydrogeologicsettingswithreasonablecorrespondencetotheassumptionsoftheHantush-Jacobmethod(TestMethodD6029)withtheexceptionthatinthiscasethegainorlossofwaterinstorageintheconfiningbedsistakenintoconsideration(see5.1).Allpossiblecombinationsofimpermeablebedsandsourcebeds(forexample,bedsinwhichtheheadremainsuniform)areconsideredonthedistalsideoftheleakybedsthatconfinetheaquiferofinterest(seeFig.1).1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:13_060_10
【页数】:9P.;A4
【正文语种】:英语


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【英文标准名称】:Paper.Untrimmedsizes.Primaryrangeandsupplementaryrangedesignationandtolerances,expressionofdirectionofmanufacture.
【原文标准名称】:纸.未裁切纸尺寸.基本系列和辅助系列名称和公差.机器运行方向的表述
【标准号】:NFQ02-004-1999
【标准状态】:作废
【国别】:法国
【发布日期】:1999-09-01
【实施或试行日期】:1999-09-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Basicseries;Definition;Definitions;Designations;Determination;Dimensions;Directionofgrain;Directionofmanufacture;Directionofmovement;Formats;Marking;Paper;Sheets;Specification(approval);Supplementaryrange;Tolerances(measurement);Untrimmedsizes
【摘要】:
【中国标准分类号】:Y32
【国际标准分类号】:85_060
【页数】:8P.;A4
【正文语种】:其他


【英文标准名称】:RecommendedPracticeforInstallingandMaintainingSwitchboards
【原文标准名称】:安装和维修开关板的推荐操作规程
【标准号】:ANSI/NECA400-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:配电盘(开关设备);安装说明;电气工程
【英文主题词】:Electricalengineering;Instructionsofinstallation;Switchboards(switchgear)
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_130_10
【页数】:
【正文语种】:英语