【英文标准名称】:Testinghardenedconcrete-Freeze-thawresistance-Scaling
【原文标准名称】:硬化混凝土试验.抗冻融性.缩放比例
【标准号】:BSDDCEN/TS12390-9-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-10-31
【实施或试行日期】:2006-10-31
【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】:混凝土结构;混凝土;建筑;施工材料;定义;防冻盐;测定;评估;霜;耐霜冻性;材料试验机;生产;抽样方法;固体混凝土;规范(验收);试样制备;试验证明书;试验设备;试样;试验;验证
【英文主题词】:Concretestructures;Concretes;Construction;Constructionmaterials;Definition;Definitions;Deicingsalt;Determination;Evaluations;Frost;Frostresistance;Materialtestingmachines;Production;Samplingmethods;Solidconcrete;Specification(approval);Specimenpreparation;Testcertificates;Testequipment;Testspecimens;Testing;Verification
【摘要】:ThisTechnicalSpecificationdescribesthetestingofthefreeze-thawscalingresistanceofconcretebothwithwaterandwithsodiumchloridesolution.Itcanbeusedeithertocomparenewconstituentsornewconcretecompositionsagainstaconstituentoraconcretecompositionthatisknowntogiveadequateperformanceinthelocalenvironmentortoassessthetestresultsagainstsomeabsolutenumericalvaluesbasedonlocalexperiences.Extrapolationoftestresultstoassessdifferentconcretesi.e.newconstituentsornewconcretecompositions,requiresanexpertevaluation.NOTEInsomecasesthetestmethodsmaynotbesuitablefortestingspecialconcretese.g.highstrengthconcreteorpermeableconcrete.Inthesecasestheresultistobetreatedwithcaution.Thesetestsmaynotidentifyaggregatesthataresubjecttooccasional‘pop-outs’.Thereisnoestablishedcorrelationbetweentheresultsobtainedbythethreetestmethods.Alltestswillclearlyidentifypoorandgoodbehaviour,buttheydifferintheirassessmentofmarginalbehaviourTherearetwotypesofconcretedeteriorationwhenafreeze-thawattackoccurs,scalingandinternalstructuraldamage.TestmethodsoninternalstructuraldamagearedescribedinaCENTechnicalReportCEN/TR15177"Testingthefreeze-thawresistanceofconcrete-Internalstructuraldamage".
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:28P.;A4
【正文语种】:英语