Designation:D4535−13´1StandardTestMethodsforMeasurementofThermalExpansionofRockUsingDilatometer1ThisstandardisissuedunderthefixeddesignationD4535;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditorialcorrectionsweremadethroughoutinFebruary2014.1.Scope1.1Thesetestmethodscoverthelaboratorymeasurementoftheone-dimensionallinearthermalexpansionofrocksusingadilatometer.1.2Themethodsareapplicablebetweentemperaturesof25°Cto300°C.Bothbenchtopandconfinedmeasurementtechniquesarepresented.MethodAisusedforunconfinedorbenchtopmeasurementsandMethodBisusedforconfinedconditions.Rocksofvaryingmoisturecontentcanbetested.1.3Forsatisfactoryresultsinconformancewiththesetestmethods,theprinciplesgoverningthesize,construction,anduseoftheapparatusdescribedinthesetestmethodsshouldbefollowed.Iftheresultsaretobereportedashavingbeenobtainedbyeithertestmethod,thenthepertinentrequirementsprescribedbythattestmethodshallbemet.1.4Thesetestmethodsdonotestablishdetailsofconstruc-tionandprocedurestocoveralltestsituationsthatmightofferdifficultiestoapersonwithouttechnicalknowledgeconcerningthetheoryofheatflow,temperaturemeasurement,andgeneraltestingpractices.Standardizationofthesetestmethodsdoesnotreducetheneedforsuchtechnicalknowledge.1.5Units—ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesaremathemati-calconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.ReportingoftestresultsinunitsotherthanSIshallnotberegardedasnonconformancewiththistestmethod.1.6AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.6.1Theproceduresusedtospecifyhowdataarecollected/recordedorcalculated,inthisstandardareregardedastheindustrystandard.Inaddition,theyarerepresentati...