【英文标准名称】:Precastconcreteproducts-Resinboundconcrete-Requirementsandtestmethods;GermanversionEN15564:2008
【原文标准名称】:预制混凝土制品树脂粘接混凝土要求和试验方法
【标准号】:DINEN15564-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-05
【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】:人造树脂;基底材料;检验;组件;混凝土结构;一致性;建筑;施工材料;装配产品;定义;尺寸;灌充器械;成品;精整;霜;耐霜冻性;初始验证;矿质集料;预制混凝土部件;预制装配式房屋;生产;生产控制;性能;规范(验收);材料强度;试样;试验;试验装置
【英文主题词】:Artificialresins;Basematerials;Checks;Components;Concretestructures;Conformity;Construction;Constructionmaterials;Constructionalproducts;Definition;Definitions;Dimensions;Fillinginstruments;Finishedproduct;Finishes;Frost;Frostresistance;Initialverification;Mineralaggregates;Precastconcreteparts;Prefabricatedbuildings;Production;Productioncontrol;Properties;Specification(approval);Strengthofmaterials;Testspecimens;Testing;Testingdevices
【摘要】:ThisEuropeanStandardspecifiescommonrequirementsforresin-boundconcreteusedinthefabricationofprecastconcreteproducts.Itisintendedtobeusedwhenpreparingdocumentsforresin-boundconcreteproducts.Resin-boundconcreteproductstandardswilldefinespecificrequirements,whichmaybeadditionaltothosegiveninthisdocument.Productstandardswillgiveanylimitingvalues.Examplesfortheuseofresin-boundconcreteare:streetfurnitureandgardenproducts,decorativeelements,windowsills,machinetoolstructures,elementsforfence,animaltroughsandslats,etc.Thisstandardisnotapplicabletopolymer-modifiedorimpregnatedmortarandconcrete(onlyPCnotPCCorSPCC).
【中国标准分类号】:Q14
【国际标准分类号】:91_100_30
【页数】:30P.;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforScratchHardnessofMaterialsUsingaDiamondStylus
【原文标准名称】:用金刚石触针测定材料划痕硬度的标准试验方法
【标准号】:ASTMG171-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:G02.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:scratch;scratchhardness;single-pointabrasion;stylus
【摘要】:Thistestmethodisintendedtomeasuretheresistanceofsolidsurfacestopermanentdeformationundertheactionofasinglepoint(stylustip).Itisacompanionmethodtoquasi-statichardnesstestsinwhichastylusispressedintoasurfaceunderacertainnormalloadandtheresultantdepthorimpressionsizeisusedtocomputeahardnessnumber.Scratchhardnessnumbers,unlikequasi-statichardnessnumbers,involveadifferentcombinationofpropertiesofthesurfacebecausetheindenter,inthiscaseadiamondstylus,movestangentiallyalongthesurface.Therefore,thestressstateunderthescratchingstylusdiffersfromthatproducedunderaquasi-staticindenter.Scratchhardnessnumbersareinprincipleamoreappropriatemeasureofthedamageresistanceofamaterialtosurfacedamageprocessesliketwo-bodyabrasionthanarequasi-statichardnessnumbers.Thistestmethodisapplicabletoawiderangeofmaterials.Theseincludemetals,alloys,andsomepolymers.Themaincriteriaarethatthescratchingprocessproducesameasurablescratchinthesurfacebeingtestedwithoutcausingcatastrophicfracture,spallation,orextensivedelaminationofsurfacematerial.Severedamagetothetestsurface,suchthatthescratchwidthisnotclearlyidentifiableorthattheedgesofthescratcharechippedordistorted,invalidatestheuseofthistestmethodtodetermineascratchhardnessnumber.Sincethedegreeandtypeofsurfacedamageinamaterialmayvarywithappliedload,theapplicabilityofthistesttocertainclassesofmaterialsmaybelimitedbythemaximumloadatwhichvalidscratchwidthmeasurementscanbemade.Theresistanceofamaterialtoabrasionbyasinglepointmaybeaffectedbyitssensitivitytothestrainrateofthedeformationprocess.Therefore,thistestisconductedunderlowstylustraversingspeeds.Useofaslowscratchingspeedalsominimizesthepossibleeffectsoffrictionalheating.Thistestusesmeasurementsoftheresidualscratchwidthafterthestylushasbeenremovedtocomputethescratchhardnessnumber.Therefore,itreflectsthepermanentdeformationresultingfromscratchingandnottheinstantaneousstateofcombinedelasticandplasticdeformationofthesurface.1.1Thisstandarddescribeslaboratoryproceduresfordeterminingthescratchhardnessofthesurfacesofsolidmaterials.Withincertainlimitations,asdescribedinthisguide,thistestmethodisapplicabletometals,ceramics,polymers,andcoatedsurfaces.Thescratchhardnesstest,asdescribedherein,isnotintendedtobeusedasameanstodeterminecoatingadhesion,norisitintendedforusewithotherthanspecifichemispherically-tipped,conicalstyli.1.2Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:17_040_20
【页数】:7P.;A4
【正文语种】: