ASTM C1721-2009 石材岩相检验的标准指南

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【英文标准名称】:StandardGuideforPetrographicExaminationofDimensionStone
【原文标准名称】:石材岩相检验的标准指南
【标准号】:ASTMC1721-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C18.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:composition;dimensionstone;examination;microscopy;mineralogy;petrography;rock;structure
【摘要】:Petrographicexaminationsaremadeforthefollowingpurposes:Determinethephysicalandchemicalcharacteristics(mineralogy,texture,andcomposition)ofthestonespecimenthatmaybeobservedbypetrographicmethodsandthathaveabearingontheperformanceofthematerialinitsintendeduse.Describeandclassifythemineralsofthespecimen.ClassifythestonebothcommerciallyandgeologicallybasedonTerminologyC119,recognizingthedifferencesinnomenclature;andbasedonthefollowingstandards,asappropriate:SpecificationC406SpecificationC503SpecificationC568SpecificationC615SpecificationC616SpecificationC629SpecificationC1526SpecificationC1527Determinetherelativeamountsofthemineralsofthespecimenandconstituentsthathaveabearingontheperformanceofthematerialinitsintendeduse.Comparecharacteristicsofthestonewithspecimensfromoneormoresources,forwhichtestdataorperformancerecordsareavailable.Thepetrographershouldbetoldinasmuchdetailasnecessary,thepurposesandobjectivesoftheexamination,thekindofinformationneeded,andtheextentofexaminationdesired.Pertinentbackgroundinformation,includingresultsofpriortesting,suchasnbsp;nbsp;nbsp;physicalandmechanicaltesting,shouldbemadeavailable.Thepetrographerx2019;snbsp;nbsp;nbsp;adviceandjudgmentshouldbesoughtregardingtheextentoftheexamination.nbsp;nbsp;nbsp;Availablephysicalandmechanicaltestingmayincludethefollowing:TestMethodsC97TestMethodC99TestMethodC170TestMethodC880TestMethodsC120TestMethodC121TestMethodC241TestMethodC1353TestMethodC217Thisguidemayformthebasisforestablishingarrangementsbetweenapurchaserofconsultingpetrographicserviceandthepetrographer.Insuchacase,thepurchaserandtheconsultantshouldtogetherdeterminethekind,extent,andobjectivesoftheexaminationandanalysestobemade,andshouldrecordtheiragreementinwriting.Theagreementmaystipulatespecificdeterminationstobemade,observationstobereported,fundstobeobligated,oracombinationoftheseorotherconditions.Petrographicexaminationsprovideidentificationoftypeandvarietiesofmineralsandstructurespresentinthespecimen.However,asnotedabove,identificationofallmineralsandstructurespresentinthespecimenisnotrequired.Thepetrographicexaminationshouldestablishwhetherthespecimencontainschemicallyunstablemineralsorvolumetricallyunstablematerials.Petrographicexaminationshouldidentifyweatheredorotherwisealteredconstituentsormineralsanddescribetheextentofthatweatheringoralteration.Wherepossible,describepotentialaestheticchangesthatmayoccurasaresultofweathering.Note18212;Ifthedimensionstonewillbeexposedtofreezingandthawingandmaybecomewetorsaturatedinuse,finelyporousandhighlyweatheredorotherwisealteredmineralsshouldbeidentifiedbecausethesematerialswillbeespeciallysusceptibletodamagebyfreezingandthawing.Petrographicexaminationshouldidentifyconstituentsormineralsandtheextenttowhichtheymayleadtostainingandcolorchangeofthesurfaceofthestonewhenthestoneisexposedtotheweatherforexterioruse.Petrographicexaminat........
【中国标准分类号】:Q21
【国际标准分类号】:07_060
【页数】:5P.;A4
【正文语种】:英语