作者:标准资料网 时间:2024-05-15 12:27:17   浏览:9390   来源:标准资料网

【英文标准名称】:StandardGuideforMethodsforMeasuringWellDischarge
【原文标准名称】:井水排放测量方法的标准导则
【标准号】:ASTMD5737-1995(2006)
【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(US-ASTM)
【起草单位】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:方法;流量测量;排放物
【英文主题词】:aquifer;aquifertestmethods;dischargerate;flume;groundwater;weir
【摘要】:Thisguideislimitedtothedescriptionoftestmethodstypicalformeasurementofground-waterdischargefromacontrolwell.4.1.1Controlledfieldtestsaretheprimarymeansofdeterminingaquiferproperties.Mostmathematicalequationsdevelopedforanalyzingfieldtestsrequiremeasurementofcontrolwelldischarge.4.1.2Dischargemaybeneededforevaluationofwelldesignandefficiency.4.1.3Foraquifertests,aconceptualmodelshouldbepreparedtoevaluatethepropertestmethodandphysicaltestrequirements,suchaswellplacementanddesign(seeGuideD4043).Reviewthesitedataforconsistencywiththeconceptualmodel.Revisetheconceptualmodelasappropriateandconsidertheimplicationsontheplannedactivities.4.1.4Foraquifertests,thedischargerateshouldbesufficienttocausesignificantstressoftheaquiferwithoutviolatingtestassumptions.Conditionsthatmayviolatetestassumptionsincludeconversionoftheaquiferfromconfinedtounconfinedconditions,loweringthewaterlevelinthecontrolwelltobelowthetopofthewellscreen,causingawellscreenentrancevelocitythatpromoteswelldevelopmentduringthetest,ordecreasingthefilterpackpermeabilitycharacteristics.4.1.5Sometestmethodsdescribedherearenotapplicabletoinjectionwelltests.Thisguidedoesnotapplytotestmethodsusedinmeasurementofflowofotherfluidsusedinindustrialoperations,suchaswastewater,sludge,oil,andchemicals.1.1Thisguidecoversanoverviewofmethodstomeasurewelldischarge.Thisguideisanintegralpartofaseriesofstandardspreparedonthein-situdeterminationofhydraulicpropertiesofaquifersystemsbysingle-ormultiple-welltests.Measurementofwelldischargeisacommonrequirementtothedeterminationofaquiferandwellhydraulicproperties.1.2Thisguidedoesnotestablishafixedprocedureforanymethoddescribed.Rather,itdescribesdifferentmethodsformeasuringdischargefromapumpingorflowingwell.Apumpingwellisonetypeofcontrolwell.Acontrolwellcanalsobeaninjectionwellorawellinwhichslugtestsareconducted.1.3Thisguidedoesnotaddressboreholeflowmetersthataredesignedformeasuringverticalorhorizontalflowwithinaborehole.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Furthermore,itistheuser''sresponsibilitytoproperlydisposeofwaterdischarged.1.6Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:A52
【国际标准分类号】:17_120_20
【页数】:4P.;A4
【正文语种】: