【英文标准名称】:Testsforthermalandweatheringpropertiesofaggregates-Part4:Determinationofdryingshrinkage;EnglishversionofDINEN1367-4:2008-06
【原文标准名称】:集料热和风化性能试验.第4部分:干燥收缩测定
【标准号】:DINEN1367-4-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-06
【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】:混凝土;建筑;施工材料;定义;测定;干燥;干燥失重;干燥收缩;粒度;粒度分选;热室;材料测试;机械性能;矿质集料;混合率;潮气;物理性能;性能;耐力;电阻器;岩石;试样;抽样方法;筛选(大小);测试;测试装置;热性能;热稳定性;抗风化能力;耐风化
【英文主题词】:Concretes;Construction;Constructionmaterials;Definition;Definitions;Determination;Drying;Dryinglosses;Dryingshrinkage;Grainsize;Grainsizing;Heatingchamber;Materialstesting;Mechanicalproperties;Mineralaggregates;Mixingratio;Moisture;Physicalproperties;Properties;Resistance;Resistors;Rocks;Samples;Samplingmethods;Screening(sizing);Testing;Testingdevices;Thermalproperties;Thermalstability;Weatherresistance;Weatheringresistance
【摘要】:Thisstandarddescribesthereferencemethodusedfortypetestingandincasesofdispute,fordeterminingtheeffectofaggregatesonthedryingshrinkageofconcrete.Forotherpurposes,inparticularfactoryproductioncontrol,othermethodsmaybeusedprovidedanappropriateworkingrelationshipwiththereferencemethodhasbeenestablished.Thisstandardisbasedonthetestingofconcretesoffixedmixproportionsandaggregatesof20mmmaximumsize.NOTEIGuidanceontheuseoflargersizeisgiveninAnnexA.Precisiondataisnotavailableforvariationsinsizeandforvariationsinthewatercontentofthetestconcrete.NOTE2Inthosecaseswherethedryingshrinkageofasourceofcoarseaggregateonlyorasourceoffineaggregate(sand)onlyarerequired,theothercomponenttobeusedshouldbe,respectively,afineorcoarseaggregateofknownIowshrinkage.NOTE3Aggregateswithhighwaterdemandand/orporositymayinaconcretewithafixedwatercontentresultinamixwithinsufficientworkabilitytoallowfullcompactionofthetestspecimens.Thisislikelytooccurwithaggregatescombinationshavingacompositewaterabsorptionvaluegreaterthan3,5%oroven-driedparticledensitieslessthan2,45Mg/m3(e.g.forrecycledaggregates).Insuchinstancesavariationofthemethod(withoutprecisiondata)maybecarriedoutbyoneofthefollowingchangestotheconcretemix:(a)useofaggregatesinthesaturatedandsurfacedrycondition.(b)useofwater-reducingadmixture.Anoteonthedetailsofanymodificationtothemixdesignshouldbeincludedwiththetestreport.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_15
【页数】:16P.;A4
【正文语种】:英语