BS EN 771-1-2003 圬工单位规范.粘土砌块

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【英文标准名称】:Specificationformasonryunits.Claymasonryunits
【原文标准名称】:圬工单位规范.粘土砌块
【标准号】:BSEN771-1-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-09-29
【实施或试行日期】:2003-09-29
【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】:砖;砌砖工作;CE标记;分类;抗压强度;一致性评估;建筑;施工材料;定义(术语);密度;名称与符号;测定;尺寸规格;防火安全性;作标记;砖石工程;材料;材料规范;噪声控制(声学的);多孔砖;特性;质量控制;抽样方法;形状;规范(验收);材料强度;测试;公差(测量);吸水率
【英文主题词】:Bricks;Brickwork;CEmarking;Classification;Compressivestrength;Conformityassessment;Construction;Constructionmaterials;Definitions;Density;Designations;Determination;Dimensions;Firesafety;Marking;Masonry;Materials;Materialsspecification;Noisecontrol(acoustic);Perforatedbricks;Properties;Qualitycontrol;Samplingmethods;Shape;Specification(approval);Strengthofmaterials;Testing;Tolerances(measurement);Waterabsorption
【摘要】:ThisEuropeanStandardspecifiesthecharacteristicsandperformancerequirementsformasonryunitsmanufacturedfromclayforuseinmasonryconstruction(e.g.facingandrenderedmasonry,loadbearingornon-loadbearingmasonrystructures,includinginternalliningsandpartitions,forbuildingandcivilengineering).ThisEuropeanStandardisintendedtoapplytotwogroupsoffired-claymasonryunits:LDunits(see3.4and5.2)comprising:claymasonryunitswithagrossdrydensityoflessthanorequalto1000kg/mforuseinprotectedmasonry.HDunits(see3.5and5.3)comprising:a)allclaymasonryunitsforuseinunprotectedmasonry;b)claymasonryunitswithagrossdrydensityofgreaterthan1000kg/mforuseinprotectedmasonry.ThisEuropeanStandardincludesthoseclaymasonryunitsofanoverallnon-rectangularparallelepipedshape.Itdefinestheperformancerelatedtoe.g.dimensionaltolerances,strength,densitymeasuredaccordingtothecorrespondingtestmethodscontainedinseparateEuropeanStandards.ItprovidesfortheevaluationofconformityoftheproducttothisEuropeanStandard.ThemarkingrequirementforproductscoveredbythisEuropeanStandardisincluded.ThisEuropeanStandarddoesnotspecifystandardsizesforclaymasonryunits,norstandardworkdimensionsandanglesofspeciallyshapedclaymasonryunits.ThisEuropeanStandarddoesnotcoverrequirementsforthefollowing:unitsforpaving,fluelinersandstoreyheightclayunitsandclaymasonryunitswithanincorporatedthermalinsulationmaterialbondedtothefacesoftheunitsusceptibletobeexposedtofire.Itdoes,however,includeclayunitsforexternalchimneymasonry.
【中国标准分类号】:P24
【国际标准分类号】:91_100_25
【页数】:58P.;A4
【正文语种】:英语


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基本信息
标准名称:航天产品技术评审 第4部分:型号出厂评审
中标分类: 航空、航天 >> 航空、航天综合 >> 标准化、质量管理
ICS分类: 航空器和航天器工程 >> 航空器与航天器综合
发布日期:
实施日期:2002-02-01
首发日期:
作废日期:
出版日期:
页数:5页
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所属分类: 航空 航天 航空 航天综合 标准化 质量管理 航空器和航天器工程 航空器与航天器综合
【英文标准名称】:StandardGuideforAddressingVariabilityinExposureTestingonNonmetallicMaterials
【原文标准名称】:非金属材料曝光测试中变异度表达的标准导则
【标准号】:ASTMG141-2003
【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】:G03.93
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:非金属的;非金属;曝光;试验;变异度
【英文主题词】:acceleratedtesting;climate;experimentaldesign;nonmetallicmaterials;statistics;sunlight;testingvariability;ultraviolet;weathering
【摘要】:ManystandardsandspecificationsreferenceexposuretestsperformedaccordingtostandardsthataretheresponsibilityofCommitteeG03onDurabilityofNonmetallicMaterials.Inmanycases,useofthedatageneratedinthesetestsfailstoconsidertheramificationsofvariabilityintheexposuretestpractices.Thisvariabilitycanhaveaprofoundeffectontheinterpretationofresultsfromtheexposuretests,andifnottakenintoconsiderationintestdesignanddataanalysis,canleadtoerroneousormisleadingconclusions.Thisguidelistssomeofthesourcesfortestvariabilityandrecommendsstrategiesforexecutingsuccessfulweatheringstudies.Notallsourcesofvariabilityinweatheringtestingareaddressedinthisguide.Specificmaterials,samplingprocedures,specimenpreparation,specimenconditioning,andmaterialpropertymeasurementscancontributesignificantlytovariabilityinweatheringtestresults.ManyoftheseconcernsareaddressedinGuideG147.Toreducethecontributionofaninstrumentalmethodtotestvariability,itisessentialtofollowappropriatecalibrationproceduresandASTMstandardsassociatedwiththeparticularpropertymeasurement.AdditionalsourcesofvariabilityintestresultsarelistedinGuideD4853,alongwithmethodsforidentifyingprobablecauses.1.1Thisguidecoversinformationonsourcesofvariabilityandstrategiesforitsreductioninexposuretesting,andfortakingvariabilityintoconsiderationinthedesign,execution,anddataanalysisofbothexteriorandlaboratoryacceleratedexposuretests.1.2Thevaluesstatedineitherinch-poundorSIunitsaretoberegardedseparatelyasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H20
【国际标准分类号】:19_020
【页数】:6P.;A4
【正文语种】: