【英文标准名称】:Gymnasticequipment-Generalsafetyrequirementsandtestmethods.
【原文标准名称】:室内运动设备.一般安全要求和试验方法
【标准号】:NFS52-357-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-01-01
【实施或试行日期】:2009-01-03
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:事故预防;竞技性运动项目;定义;室内运动设备;体操器材;大容量;体育与娱乐设备;作标记;安全;安全工程;安全要求;规范(验收);体育运动;体育器材;稳定性;试验
【英文主题词】:Accidentprevention;Competitivesports;Definition;Definitions;Gymnasticequipment;Gymnasticsequipment;Highcapacity;Leisureequipment;Marking;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Sports;Sportsequipment;Stability;Testing
【摘要】:
【中国标准分类号】:Y55
【国际标准分类号】:97_220_30
【页数】:22P;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforFlexuralPropertiesofPolymerMatrixCompositeMaterials
【原文标准名称】:聚合物基复合材料弯曲性能标准试验方法
【标准号】:ASTMD7264/D7264M-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fiber-reinforcedcomposites;flexuralproperties;stiffness;strength
【摘要】:Thistestmethoddeterminestheflexuralproperties(includingstrength,stiffness,andload/deflectionbehavior)ofpolymermatrixcompositematerialsundertheconditionsdefined.ProcedureAisusedforthree-pointloadingandProcedureBisusedforfour-pointloading.Thistestmethodwasdevelopedforoptimumusewithcontinuous-fiber-reinforcedpolymermatrixcompositesanddiffersinseveralrespectsfromotherflexuremethods,includingtheuseofastandardspan-to-thicknessratioof32:1versusthe16:1ratiousedbyTestMethodsD790(aplastics-focusedmethodcoveringthree-pointflexure)andD6272(aplastics-focusedmethodcoveringfour-pointflexure).Thistestmethodisintendedtointerrogatelong-beamstrengthincontrasttotheshort-beamstrengthevaluatedbyTestMethodD2344/D2344M.Flexuralpropertiesdeterminedbytheseprocedurescanbeusedforqualitycontrolandspecificationpurposes,andmayfinddesignapplications.Theseprocedurescanbeusefulintheevaluationofmultipleenvironmentalconditionstodeterminewhicharedesigndriversandmayrequirefurthertesting.Theseproceduresmayalsobeusedtodetermineflexuralpropertiesofstructures.1.1Thistestmethoddeterminestheflexuralstiffnessandstrengthpropertiesofpolymermatrixcomposites.1.1.1ProcedureA8212;Athree-pointloadingsystemutilizingcenterloadingonasimplysupportedbeam.1.1.2ProcedureB8212;Afour-pointloadingsystemutilizingtwoloadpointsequallyspacedfromtheiradjacentsupportpoints,withadistancebetweenloadpointsofone-halfofthesupportspan.Note18212;UnlikeTestMethodD6272,whichallowsloadingatbothone-thirdandone-halfofthesupportspan,inordertostandardizegeometryandsimplifycalculationsthisstandardpermitsloadingatonlyone-halfthesupportspan.1.2Forcomparisonpurposes,testsmaybeconductedaccordingtoeithertestprocedure,providedthatthesameprocedureisusedforalltests,sincethetwoproceduresgenerallygiveslightlydifferentpropertyvalues.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:11P.;A4
【正文语种】:英语