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EN 12390-5-2000 硬化混凝土试验.第5部分:试样结构强度

作者:标准资料网 时间:2024-05-14 11:21:14  浏览:8404   来源:标准资料网
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【英文标准名称】:Testinghardenedconcrete-Part5:Texturalstrengthoftestspecimens;GermanversionEN12390-5:2000
【原文标准名称】:硬化混凝土试验.第5部分:试样结构强度
【标准号】:EN12390-5-2000
【标准状态】:现行
【国别】:
【发布日期】:2001-02
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);混凝土结构;施工材料;稳定性(机械性能);试验;试样;机械试验;混凝土;固体混凝土;一致性;基准方法;评定;弯曲拉伸强度;弯曲试验;新浇混凝土;建筑;抽样方法;试验设备;材料试验机;测定;测量
【英文主题词】:Bendtesting;Bendingtensilestrength;Concretestructures;Concretes;Consistency;Consistency(mechanicalproperty);Construction;Constructionmaterials;Determination;Evaluations;Freshconcrete;Materialtestingmachines;Measurement;Mechanicaltesting;Referencemethods;Samplingmethods;Solidconcrete;Specification(approval);Testequipment;Testspecimens;Testing
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:9P.;A4
【正文语种】:英语


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【英文标准名称】:GuidanceforinformationsecuritymanagementofpowersupplycontrolsystemsbasedonISO/IEC27002
【原文标准名称】:以ISO/IEC27002为基础的供电控制系统的信息安全管理的指南
【标准号】:DINSPEC27009-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Access;Accesscontrols;Automation;Circuitnetworks;Codedrepresentation;Coding;Controlsystems;Controltechnology;Dataprocessing;Dataprotection;Datasecurity;Definitions;Electricpowerdistribution;Electricpowersystems;Energydistribution;Energyeconomy;Energystorage;Energysupply;Energysupplysystems(buildings);Energytechnology;Energytransmission;Guidebooks;Informationinterchange;Informationmanagement;Informationsecurity;Informationsystems;Informationtechnology;ITsecurity;ITsystems;Management;Metrology;Networkinterconnection;Operation;Personnel;Powergeneration;Powersystemmanagement;Processcontrol;Responsibility;Safety;Safetyengineering;Securitymanagement
【摘要】:
【中国标准分类号】:F21
【国际标准分类号】:25_040_40;29_240_01;35_040
【页数】:48P;A4
【正文语种】:德语


【英文标准名称】:Plastics-DeterminationofCharpyimpactproperties-Non-instrumentedimpacttest
【原文标准名称】:塑料.摆式冲击强度测定.无仪表显示的冲击试验
【标准号】:BSENISO179-1-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-03-15
【实施或试行日期】:2001-03-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:高聚物;增强的材料;试验条件;尺寸;热固性聚合物;塑料;叠层板材;纤维;韧性;加强材料;薄板材;材料的机械性能;摆式冲击试验;脆性;热塑性聚合物;机械试验;优先尺寸;试样;冲击试验
【英文主题词】:Brittleness;Charpy;Charpyimpacttests;Compositematerials;Definitions;Determination;Impactresistance;Impactstrength;Impactvalue;Interpretations;Materials;Materialstesting;Plastics;Polymers;Properties;Samplepreparation;Testequipment;Testspecimens;Testing;Thermoplasticpolymers;Thermosettingpolymers;Toughness
【摘要】:1ThispartofISO179specifiesamethodfordeterminingtheCharpyimpactstrengthofplasticsunderdefinedconditions.Anumberofdifferenttypesofspecimenandtestconfigurationsaredefined.Differenttestparametersarespecifiedaccordingtothetypeofmaterial,thetypeoftestspecimenandthetypeofnotch.2Themethodisusedtoinvestigatethebehaviourofspecifiedtypesofspecimenundertheimpactconditionsdefinedandforestimatingthebrittlenessortoughnessofspecimenswithinthelimitationsinherentinthetestconditions.Itmayalsobeusedforthedeterminationofcomparativedatafromsimilartypesofmaterial.3ThemethodhasagreaterrangeofapplicabilitythanthatgiveninISO180andismoresuitableforthetestingofmaterialsshowinginterlaminarshearfractureorofmaterialsexhibitingsurfaceeffectsduetoenvironmentalfactors.4Themethodissuitableforusewiththefollowingrangeofmaterials:—rigidthermoplasticmouldingandextrusionmaterials,includingfilledandreinforcedcompoundsinadditiontounfilledtypes;rigidthermoplasticssheets;—rigidthermosettingmouldingmaterials,includingfilledandreinforcedcompounds;rigidthermosettingsheets,includinglaminates;—fibre-reinforcedthermosettingandthermoplasticcompositesincorporatingunidirectionalornon-unidirectionalreinforcementssuchasmat,wovenfabrics,wovenrovings,choppedstrands,combinationandhybridreinforcements,rovingsandmilledfibres,sheetmadefrompre-impregnatedmaterials(prepregs),includingfilledandreinforcedcompounds;—thermotropicliquid-crystalpolymers.5Themethodisnotnormallysuitableforusewithrigidcellularmaterialsandsandwichstructurescontainingcellularmaterial.Also,notchedspecimensarenotnormallyusedforlong-fibre-reinforcedcompositesorthermotropicliquid-crystalpolymers.6Themethodissuitedtotheuseofspecimenswhichmaybeeithermouldedtothechosendimensions,machinedfromthecentralportionofastandardmultipurposetestspecimen(seeISO3167)ormachinedfromfinishedorsemifinishedproductssuchasmouldings,laminatesandextrudedorcastsheet.7Themethodspecifiespreferreddimensionsforthetestspecimen.Testswhicharecarriedoutonspecimensofdifferentdimensionsorwithdifferentnotches,orspecimenswhicharepreparedunderdifferentconditions,mayproduceresultswhicharenotcomparable.Otherfactors,suchastheenergycapacityoftheapparatus,itsimpactvelocityandtheconditioningofthespecimenscanalsoinfluencetheresults.Consequently,whencomparativedataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.8Themethodshouldnotbeusedasasourceofdatafordesigncalculations.Informationonthetypicalbehaviourofamaterialcanbeobtained,however,bytestingatdifferenttemperatures,byvaryingthenotchradiusand/orthethicknessandbytestingspecimenspreparedunderdifferentconditions.note:1)ISO180:2000,Plastics?DeterminationofIzodimpactstrength.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:28P.;A4
【正文语种】:英语



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