【英文标准名称】:StandardPracticeforRockCoreDrillingandSamplingofRockforSiteInvestigation
【原文标准名称】:现场斟探用金刚石钻取岩芯和取样的标准试验方法
【标准号】:ASTMD2113-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D18.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:diamonddrilling;exploration;rock;rockcoring;rockinvestigations;sitecharacterization;Angledboreholedrilling;Diamondcoredrilling;Environmentalsiteassessment(ESA);Horizontaltesting;Rockdrilling/coring/investigation;Rotarydrilling;So
【摘要】:Rockcoresaresamplesofrecordoftheexistingsubsurfaceconditionsatgivenboreholelocations.Thesamplesareexpectedtoyieldsignificantindicationsaboutthegeological,physical,andengineeringnatureofthesubsurfaceforuseinthedesignandconstructionofanengineeredstructure(seeGuideD420.Thecoresamplesneedtobepreservedusingspecificproceduresforastipulatedtime(PracticesD5079).Theperiodofstoragedependsuponthenatureandsignificanceoftheengineeredstructure.Rockcoresalwaysneedtobehandledsuchthattheirpropertiesarenotalteredinanywayduetomechanicaldamageorchangesinambientconditionsofmoistureandtemperatureorotherenvironmentalfactors.1.1Thispracticecoverstheguidelines,requirements,andproceduresforcoredrilling,coring,andsamplingofrockforthepurposesofsiteinvestigation.Theboreholecouldbevertical,horizontal,orangled.1.2Thispracticeisdescribedinthecontextofobtainingdataforthedesign,construction,ormaintenanceofstructures,andappliestosurfacedrillinganddrillingfromaditsandexploratorytunnels.1.3Thispracticeappliestocoredrillinginhardandsoftrock.1.4Thispracticedoesnotaddressconsiderationsforcoredrillingforgeo-environmentalsitecharacterizationandinstallationofwaterqualitymonitoringdevices(seeGuidesD5782andD5783).1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thispracticedoesnotpurporttocomprehensivelyaddressallofthemethodsandtheissuesassociatedwithcoringandsamplingofrock.Usersshouldseekqualifiedprofessionalsfordecisionsastotheproperequipmentandmethodsthatwouldbemostsuccessfulfortheirsiteinvestigation.Othermethodsmaybeavailablefordrillingandsamplingofrock,andqualifiedprofessionalsshouldhaveflexibilitytoexercisejudgmentastopossiblealternativesnotcoveredinthispractice.Thispracticeiscurrentatthetimeofissue,butnewalternativemethodsmaybecomeavailablepriortorevisions;therefore,usersshouldconsultwithmanufacturersorproducerspriortospecifyingprogramrequirements.Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Thewordx201C;Standardx201D;inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Also,theusermustcomplywithprevalentregulatorycodes,suchasOSHA(OccupationalHealthandSafetyAdministration)guidelines,whileusingthispractice.Forgoodsafetypractice,consultapplicableOSHAregulationsandothersafetyguidesondrilling(1).
【中国标准分类号】:D10
【国际标准分类号】:93_020
【页数】:20P.;A4
【正文语种】:英语