【英文标准名称】:StandardPracticeforPreparationofRockSlabsforDurabilityTesting
【原文标准名称】:岩石板进行耐久性试验前的处理的标准实施规程
【标准号】:ASTMD5121-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D18.17
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:defects;diamondsawblade;durability;rocksaw;slabs;Defects;Diamondsawblade;Rockmaterials/properties/analysis;Rocksaw;Slab/slabs;Specimenpreparation(fortesting)--rock
【摘要】:Thispracticeisusedtopreparerockspecimensfordurabilitytestingandtoevaluateanyinternaldefects,suchascracks,thatmaynotbeapparentonthesurfacesofbrokenblocksofrock.SuchevaluationcanalsoaidintheselectionandlocationofslabsfortestingasoutlinedinPracticeD4992.Insomecases,theneedforfurthertestingorevaluationmaybeeliminated.Thesawingofrocksampleswillreducethemtoasuitablespecimensizeandquantityfortestingand,inmanycases,preservethenaturalstructureoftheinternaldefectssothesamplescanbeevaluatedbythevariousdurabilitytests.Durabilitytestsspecimensshouldbe64x00B1;6mm(2.5x00B1;0.25in)thicknormaltobeddingoranypotentialplanesofweaknesswhichmaybeobservedinthesamples.Innocasewillthesizeoftheslabbelessthan125mm(5in.)onaside,excludingthethicknessIdeally,atestspecimensizeequaltotheproposeddesignsizewouldprovidetheultimateincorrelationbetweenlaboratorytestsandactualfieldperformance.However,inmostcases,thisisneitherpracticalnoreconomicallyfeasible.1.1Thispracticecoversthepreparationofrockslabsforvarioustestsandanyvisualinspectionsusedtoevaluatethedurabilityofrockforerosioncontrol.Thesetestsinclude,butarenotlimitedto,TestMethodsD5240,D5312,andD5313.1.2Units8212;ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3AllobservedandmeasuredvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.4Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Thewordx201C;Standardx201D;inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardsstatement,seeSection7.
【中国标准分类号】:Q21
【国际标准分类号】:91_100_15
【页数】:3P.;A4
【正文语种】:英语


MIL-STD-1688A, MILITARY STANDARD: FABRICATION, WELDING AND INSPECTION OF HY-80/100 SUBMARINE APPLICATIONS (15 DEC 1990)., This standard contains minimum requirements for shipbuilding practices, standards for materials, weld joint design, welding inspection, and record requirements for combatant submarines and non-combatant submersibles constructed of HY-80/100 materials. Requirements for HY-180 submarine applications are contained in MIL-STD-1681. Requirements for non-HY steel submarine applications are contained in MIL-STD-1689.