GB 1797-1986 生丝分级规定
作者:标准资料网 时间:2024-05-12 21:21:51 浏览:9978
来源:标准资料网
下载地址: 点击此处下载
基本信息
| 标准名称： | 生丝分级规定 |
| 英文名称： | Stipulation of classification for raw silk |
| 中标分类： | 纺织 >> 丝纺织 >> 丝、绸综合 |
| 替代情况： | GB 1797-1979;被GB 1797-2001代替 |
| 发布日期： | |
| 实施日期： | 1987-05-01 |
| 首发日期： | |
| 作废日期： | 2002-05-01 |
| 出版日期： | |
| 页数： | 5页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 纺织 丝纺织 丝 绸综合
下载地址: 点击此处下载
【英文标准名称】:Plastics-Verificationofpendulumimpact-testingmachines-Charpy,Izodandtensileimpact-testing
【原文标准名称】:塑料摆锤冲击试验机的鉴定却贝、艾卓德和拉伸冲击试验
【标准号】:ISO13802-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:材料试验机;定义;塑料;证实;冲击断裂试验;艾卓德(冲击试验);却贝(摆式冲击试验);摆锤式冲击试验机
【英文主题词】:Charpy;Definitions;Design;Izod;Materialtestingmachines;Measurement;Mechanicalproperties;Pendulumimpacttestingmachines;Plastics;Properties;Shockrupturetests;Specimenpreparation;Tensiletesting;Testing;Validation;Verification
【摘要】:ThisInternationalStandardspecifiesmethodsfortheverificationofpendulumimpact-testingmachinesusedfortheCharpyimpacttest,IzodimpacttestandtensileimpacttestdescribedinISO179-1,ISO180andISO8256,respectively.ThetestmachinescoveredbythisInternationalStandardareofthependulumtype.TheimpactenergyW(see3.12)absorbedinimpactingatestspecimenistakenasbeingequaltothedifferencebetweenthepotentialenergyE(see3.11)ofthependulumandtheenergyremaininginthependulumafterimpactingthespecimen.Theimpactenergyiscorrectedforfrictionandair-resistancelosses(seeTable2and5.6).Methodsaredescribedforverificationofthegeometricalandphysicalpropertiesofthedifferentpartsofthetestmachine.Theverificationofsomegeometricalpropertiesisdifficulttoperformontheassembledinstrument.ItisthereforeassumedthatthemanufacturerisresponsiblefortheverificationofsuchpropertiesandforprovidingreferenceplanesontheinstrumentthatenableproperverificationinaccordancewiththisInternationalStandard.Thesemethodsareforusewhenthemachineisbeinginstalled,isbeingrepaired,hasbeenmovedorisundergoingperiodicchecking.ThisInternationalStandardisapplicabletopendulum-typeimpact-testingmachines,ofdifferentcapacitiesand/ordesigns,withthegeometricalandphysicalpropertiesdefinedinclause5.Apendulumimpact-testingmachineverifiedinaccordancewiththisInternationalStandard,andassessedassatisfactory,isconsideredsuitableforimpacttestingwithunnotchedandnotchedtestspecimensofdifferenttypes.AnnexAdescribestherelationshipsbetweenthevariouscharacteristicpendulumlengths,thepotentialenergyandthemomentofinertiaofthependulum.AnnexBexplainshowtocalculatetheratioofframemasstopendulummassrequiredtoavoiderrorsintheimpactenergy.AnnexCdescribes,forCharpyimpacttesting,thechangesinpendulumvelocityjustafterimpactasafunctionofimpactenergyandgivestherangesofimpactenergiesforthemeasurementofwhichpendulumsofspecifiedcapacityhavetobeused.AnnexDdiscussesthestiffnessofthebaseoftheframenecessarytoavoidresonantoscillationsintheframeduetoreactionforcescausedbythemovingpendulum.AnnexEgivesthedimensionsofagaugeplatesuitablefortheverificationofCharpyimpact-testingmachines.
【中国标准分类号】:G31
【国际标准分类号】:83_200
【页数】:36P;A4
【正文语种】:英语
【英文标准名称】:Precastconcreteproducts-Stairs;GermanversionEN14843:2007
【原文标准名称】:预制混凝土制品.楼梯
【标准号】:DINEN14843-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:CE标记;混凝土;合格;建筑;施工材料;定义;尺寸;耐久性;制造;作标记;单片的;性能要求;物理性能;预制混凝土部件;预制的;预应力混凝土;生产;特性;加筋混凝土;规范(验收);楼梯;表面;测试;公差(测量);变体;验证
【英文主题词】:
【摘要】:Thisstandardgivesspecificationsformaterials,production,properties,requirementsandmethodsoftestingforprecastconcretemonolithicstairs,andforprecastconcreteelements(e.g.individualsteps)usedtomakereinforcedand/orprestressedconcretestairs.Thisstandardisapplicabletostructuralstairsforindoororoutdooruse.Thisstandardcoversprecastconcretestairsandassociatedlandingsofmonolithicdesignorconstructedfromindividualstepssupportedbybeamsorcolumns.Supportingelementsmayincludeinsituconcrete.Thisstandardcoversterminology,performancecriteria,verificationmethods,tolerances,relevantphysicalproperties,specialtestmethodsandspecificaspectsoftransport,erectionandconnection.GeometricalpropertiesrelatedtofunctionalityofstairsarenotcoveredbythisstandardandcanbefoundinNationalregulationsorlocalpractice.Precastconcretestairsareclassifiedintotwomainproductfamilies:-monolithicstairsconstructedfromprecastconcretecomponentsconsistingofflights,landingsoracombinationofthese.Theymayincludeverticalsupportingelements;-stairsconstructedfromindividualsteps,whetherloadbearingornot,assembledonsitewith,forexample,carriagesoracentralcolumn.Theirshapemaybestraightorwinding.Stairsmayincorporateparapets(ononeorbothsides)andlandings.Stairsmayhavesimplebearings(e.g.oncorbels,wallsorbeams),boltedconnectionsortheymaybeconnectedwithreinforcementandinsituconcrete.Thesurfacesoftheprecastelementsmaybeexposedorcoveredbyfinishes.
【中国标准分类号】:Q72
【国际标准分类号】:91_100_30
【页数】:40P;A4
【正文语种】:德语
【原文标准名称】:塑料摆锤冲击试验机的鉴定却贝、艾卓德和拉伸冲击试验
【标准号】:ISO13802-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:材料试验机;定义;塑料;证实;冲击断裂试验;艾卓德(冲击试验);却贝(摆式冲击试验);摆锤式冲击试验机
【英文主题词】:Charpy;Definitions;Design;Izod;Materialtestingmachines;Measurement;Mechanicalproperties;Pendulumimpacttestingmachines;Plastics;Properties;Shockrupturetests;Specimenpreparation;Tensiletesting;Testing;Validation;Verification
【摘要】:ThisInternationalStandardspecifiesmethodsfortheverificationofpendulumimpact-testingmachinesusedfortheCharpyimpacttest,IzodimpacttestandtensileimpacttestdescribedinISO179-1,ISO180andISO8256,respectively.ThetestmachinescoveredbythisInternationalStandardareofthependulumtype.TheimpactenergyW(see3.12)absorbedinimpactingatestspecimenistakenasbeingequaltothedifferencebetweenthepotentialenergyE(see3.11)ofthependulumandtheenergyremaininginthependulumafterimpactingthespecimen.Theimpactenergyiscorrectedforfrictionandair-resistancelosses(seeTable2and5.6).Methodsaredescribedforverificationofthegeometricalandphysicalpropertiesofthedifferentpartsofthetestmachine.Theverificationofsomegeometricalpropertiesisdifficulttoperformontheassembledinstrument.ItisthereforeassumedthatthemanufacturerisresponsiblefortheverificationofsuchpropertiesandforprovidingreferenceplanesontheinstrumentthatenableproperverificationinaccordancewiththisInternationalStandard.Thesemethodsareforusewhenthemachineisbeinginstalled,isbeingrepaired,hasbeenmovedorisundergoingperiodicchecking.ThisInternationalStandardisapplicabletopendulum-typeimpact-testingmachines,ofdifferentcapacitiesand/ordesigns,withthegeometricalandphysicalpropertiesdefinedinclause5.Apendulumimpact-testingmachineverifiedinaccordancewiththisInternationalStandard,andassessedassatisfactory,isconsideredsuitableforimpacttestingwithunnotchedandnotchedtestspecimensofdifferenttypes.AnnexAdescribestherelationshipsbetweenthevariouscharacteristicpendulumlengths,thepotentialenergyandthemomentofinertiaofthependulum.AnnexBexplainshowtocalculatetheratioofframemasstopendulummassrequiredtoavoiderrorsintheimpactenergy.AnnexCdescribes,forCharpyimpacttesting,thechangesinpendulumvelocityjustafterimpactasafunctionofimpactenergyandgivestherangesofimpactenergiesforthemeasurementofwhichpendulumsofspecifiedcapacityhavetobeused.AnnexDdiscussesthestiffnessofthebaseoftheframenecessarytoavoidresonantoscillationsintheframeduetoreactionforcescausedbythemovingpendulum.AnnexEgivesthedimensionsofagaugeplatesuitablefortheverificationofCharpyimpact-testingmachines.
【中国标准分类号】:G31
【国际标准分类号】:83_200
【页数】:36P;A4
【正文语种】:英语
【英文标准名称】:Precastconcreteproducts-Stairs;GermanversionEN14843:2007
【原文标准名称】:预制混凝土制品.楼梯
【标准号】:DINEN14843-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:CE标记;混凝土;合格;建筑;施工材料;定义;尺寸;耐久性;制造;作标记;单片的;性能要求;物理性能;预制混凝土部件;预制的;预应力混凝土;生产;特性;加筋混凝土;规范(验收);楼梯;表面;测试;公差(测量);变体;验证
【英文主题词】:
【摘要】:Thisstandardgivesspecificationsformaterials,production,properties,requirementsandmethodsoftestingforprecastconcretemonolithicstairs,andforprecastconcreteelements(e.g.individualsteps)usedtomakereinforcedand/orprestressedconcretestairs.Thisstandardisapplicabletostructuralstairsforindoororoutdooruse.Thisstandardcoversprecastconcretestairsandassociatedlandingsofmonolithicdesignorconstructedfromindividualstepssupportedbybeamsorcolumns.Supportingelementsmayincludeinsituconcrete.Thisstandardcoversterminology,performancecriteria,verificationmethods,tolerances,relevantphysicalproperties,specialtestmethodsandspecificaspectsoftransport,erectionandconnection.GeometricalpropertiesrelatedtofunctionalityofstairsarenotcoveredbythisstandardandcanbefoundinNationalregulationsorlocalpractice.Precastconcretestairsareclassifiedintotwomainproductfamilies:-monolithicstairsconstructedfromprecastconcretecomponentsconsistingofflights,landingsoracombinationofthese.Theymayincludeverticalsupportingelements;-stairsconstructedfromindividualsteps,whetherloadbearingornot,assembledonsitewith,forexample,carriagesoracentralcolumn.Theirshapemaybestraightorwinding.Stairsmayincorporateparapets(ononeorbothsides)andlandings.Stairsmayhavesimplebearings(e.g.oncorbels,wallsorbeams),boltedconnectionsortheymaybeconnectedwithreinforcementandinsituconcrete.Thesurfacesoftheprecastelementsmaybeexposedorcoveredbyfinishes.
【中国标准分类号】:Q72
【国际标准分类号】:91_100_30
【页数】:40P;A4
【正文语种】:德语
