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【英文标准名称】:StandardGuideforUseofDual-WallReverse-CirculationDrillingforGeoenvironmentalExplorationandtheInstallationofSubsurfaceWater-QualityMonitoringDevices
【原文标准名称】:地质环境勘探和地下水质量检测装置安装用双壁反转钻的使用标准导则
【标准号】:ASTMD5781-1995(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】:勘探;渗流层;羽绒;装配;旋转钻;双数;风钻;螺孔风钻;撞击;环境设备;质量监测设备;地质;地下探查;地质勘探;导则;地下水;使用;三倍
【英文主题词】:down-the-holehammer(DTH)drilling;drilling;dual-wallreverse-circulationdrillingmethod(s);geoenvironmentalexploration;groundwater;percussion-hammerdrillingmethod;triple-wallpercussion-hammerdrillingmethod;vadosezone
【摘要】:1.1Thisguidecovershowdual-wallreverse-circulationdrillingmaybeusedforgeoenvironmentalexplorationandinstallationofsubsurfacewater-qualitymonitoringdevices.Note1Thetermreversecirculationwithrespecttodual-walldrillinginthisguideindicatesthatthecirculatingfluidisforceddowntheannularspacebetweenthedouble-walldrillpipeandtransportssoilandrockparticlestothesurfacethroughtheinnerpipe.Note2Thisguidedoesnotincludeconsiderationsforgeotechnicalsitecharacterizationsthatareaddressedinaseparateguide.1.2Dual-wallreverse-circulationforgeoenvironmentalexplorationandmonitoring-deviceinstallationswillofteninvolvesafetyplanning,administration,anddocumentation.Thisguidedoesnotpurporttospecificallyaddressexplorationandsitesafety.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:D91
【国际标准分类号】:73_100_30
【页数】:8P.;A4
【正文语种】: