Designation:D6230−21´1StandardPracticesforMonitoringEarthorStructuralMovementUsingInclinometers1ThisstandardisissuedunderthefixeddesignationD6230;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—MinorcorrectionswereeditoriallymadethroughoutinJuly2021.1.Scope*1.1Thisstandardcoverstheuseofinclinometerstomonitortheinternalmovementofground,orlateralmovementofsubsurfacestructures.Thestandardcoverstypesofinstruments,installationprocedures,operatingprocedures,andmaintenancerequirements.Thestandardalsoprovidesformu-laefordatareduction.1.2AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026unlesssupersededbythisstandard.1.2.1Theproceduresusedtospecifyhowdataarecollected,recordedorcalculatedinthisstandardareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatgenerallyshouldberetained.Theproce-duresuseddonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsider-ationsfortheuser’sobjectives;itiscommonpracticetoincreaseorreducesignificantdigitsofreporteddatatobecommensuratewiththeseconsiderations.Itisbeyondthescopeofthisstandardtoconsidersignificantdigitsusedinanalyticalmethodsforengineeringdesign.1.3Units—ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.ReportingoftestresultsinunitsotherthanSIshallnotberegardedasnonconformancewiththisstandard.1.4Thisstandardoffersanorganizedcollectionofinforma-tionoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisstandardmaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethest...