ASTM F2280-2008 最低拉伸强度为150ksi的热处理的"扭开"型拉伸控制结构螺栓/螺母/垫圈组件的标准规范
时间:2024-04-28 07:36:09 来源: 标准资料网 作者：标准资料网 阅读：8673
【英文标准名称】:StandardSpecificationfor&x201C;TwistOff&x201D;TypeTensionControlStructuralBolt/Nut/WasherAssemblies,Steel,HeatTreated,150ksiMinimumTensileStrength
【原文标准名称】:最低拉伸强度为150ksi的热处理的"扭开"型拉伸控制结构螺栓/螺母/垫圈组件的标准规范
【标准号】:ASTMF2280-2008
【标准状态】:作废
【国别】:
【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】:F16.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:组件;螺栓;控制;热处理;最低拉伸强度;螺母;钢;抗拉荷载;抗拉强度
【英文主题词】:alternatedesignfasteners;bolts;alloysteel;fasteners;splineend;structural;tensioncontrolbolt;tensioncontrolboltassembly;twist-offbolt;weatheringsteel;Bolt/nut/washerassembly
【摘要】:1.1Thisspecificationcoverstwotypesofheattreated,steel,tensioncontrolbolt-nut-washerassemblies,alsoreferredtoasx201C;sets,x201D;havingatensilestrengthof150to173ksi.Theseassembliesarecapableofdevelopingaminimumpredeterminedtensionwheninstalledbyapplyingtorquetothenut,whileatthesametimeapplyingacountertorquetoseparatethesplineendfromthebodyoftheboltusinganappropriatesplinedriveinstallationtool.1.2Anassemblyconsistsofatensioncontrolboltwithsplineend(coveredbythisspecification)andasuitablenutandwashercoveredbyreferencetoapplicableASTMspecifications.1.3Thefastenerassembliesareintendedforuseinstructuralconnections.Theseconnections,installationprocedures,andtheuseofalternatedesignstructuralboltsarecoveredundertherequirementsofthex201C;SpecificationforStructuralJointsUsingASTMA325orA490Boltsx201D;,approvedbytheResearchCouncilonStructuralConnections.1.4Theassembliesareavailablewitheitherround(buttonordome)heads,heavyhexstructuralheads,oralternatedesignheadsdescribedinSection11,insizesx00BD;to11/8in.inclusive,intwotypesspecifiedinSection4.1.5TensioncontrolboltsmanufacturedandmarkedinaccordancewiththerequirementsofSpecificationA490,andconformingtothedimensionalandotherrequirementsofthisspecification,willbeconsideredanacceptablealternateunderthisspecificationfortwoyearsfollowinginitialpublication.1.6Thefollowingprecautionarystatementpertainsonlytothetestmethodportions,Sections15and16,ofthisSpecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:21_060_01
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:TestMethodforSurfaceBurningCharacteristicsofBuildingMaterials
【原文标准名称】:建筑材料的表面燃烧特性用试验方法
【标准号】:ANSI/ASTME84a-2008
【标准状态】:作废
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:施工材料;防火安全;火焰表面传播;测试
【英文主题词】:Construction;Constructionmaterials;Firesafety;Firesafetyinbuildings;Materials;Properties;Surfacespreadofflame;Surfaces;Testing
【摘要】:Thisfire-test-responsestandardforthecomparativesurfaceburningbehaviorofbuildingmaterialsisapplicabletoexposedsurfacessuchaswallsandceilings.Thetestisconductedwiththespecimenintheceilingpositionwiththesurfacetobeevaluatedexposedfacedowntotheignitionsource.Thematerial,product,orassemblyshallbecapableofbeingmountedinthetestpositionduringthetest.Thus,thespecimenshalleitherbeself-supportingbyitsownstructuralquality,heldinplacebyaddedsupportsalongthetestsurface,orsecuredfromthebackside.Thepurposeofthistestmethodistodeterminetherelativeburningbehaviorofthematerialbyobservingtheflamespreadalongthespecimen.Flamespreadandsmokedevelopedindexarereported.However,thereisnotnecessarilyarelationshipbetweenthesetwomeasurements.Theuseofsupportingmaterialsontheundersideofthetestspecimenhastheabilitytolowertheflamespreadindexfromthosewhichmightbeobtainedifthespecimencouldbetestedwithoutsuchsupport.Thesetestresultsdonotnecessarilyrelatetoindicesobtainedbytestingmaterialswithoutsuchsupport.Testingofmaterialsthatmelt,drip,ordelaminatetosuchadegreethatthecontinuityoftheflamefrontisdestroyed,resultsinlowflamespreadindicesthatdonotrelatedirectlytoindicesobtainedbytestingmaterialsthatremaininplace.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thetextofthisstandardreferencesnotesandfootnotesthatprovideexplanatoryinformation.Thesenotesandfootnotes,excludingthoseintablesandfigures,shallnotbeconsideredasrequirementsofthestandard.Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfire-hazardorfire-riskassessmentofthematerials,products,orassembliesunderactualfireconditions..Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P16
【国际标准分类号】:13_220_50;91_100_01
【页数】:
【正文语种】:英语
【英文标准名称】:PC-MIPSpecification
【原文标准名称】:PC-MIP规范
【标准号】:ANSI/VITA29-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:规范;信息技术;印制电路板;接口;微电子学
【英文主题词】:Informationtechnology;Interfaces(dataprocessing);Microelectronics;Printed-circuitboards;Specification
【摘要】:
【中国标准分类号】:L30
【国际标准分类号】:31_180
【页数】:
【正文语种】:英语