ASTM C1452-2000(2006) 增强的热压处理过的加气混凝土构件的标准规范

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【英文标准名称】:StandardSpecificationforReinforcedAutoclavedAeratedConcreteElements
【原文标准名称】:增强的热压处理过的加气混凝土构件的标准规范
【标准号】:ASTMC1452-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:C27.60
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:焊接点;楼梯;荷载;最大荷载;剪切强度;防腐蚀;热压处理过的加气混凝土;混凝土面;增强构件
【英文主题词】:autoclavedaeratedconcrete;concretecover;corrosionprotection;reinforcedelements;serviceloading;shearstrength;stairs;ultimateloading;weldpoint
【摘要】:1.1Thisspecificationcoversload-bearingandnonload-bearingreinforcedautoclavedaeratedconcrete(AAC)floor,roof,wall,andstairelementsusedascomponentsforbuildingconstruction.Autoclavedaeratedconcreteisacementitousproductbasedoncalciumsilicatehydratesinwhichlowdensityisattainedbytheinclusionofanagentresultinginmacroscopicvoidsandissubjectedtohigh-pressuresteamcuring.InstalledunitscoveredbythisspecificationshallbeprotectedagainstdirectexposuretomoistureusingacoatingmaterialacceptedbytheAACmanufacturer.1.2Therawmaterialsusedintheproductionofautoclavedaeratedconcreteareportlandcement,quartzsand,water,lime,gypsumoranhydrite,andanagentresultinginmacroscopicvoids.Thequartzsandusedasarawmaterialmaybereplacedbyasiliceousfineaggregateotherthansandandusuallyisgroundtoafinepowderbeforeuse.Flyashmaybeusedasasandreplacement.Thebatchedrawmaterialsaremixedtogethertoformaslurry.Theslurryiscastintosteelmolds.Duetothechemicalreactionsthattakeplacewithintheslurry,thevolumeexpands.Aftersetting,andbeforehardening,themassismachinecutwithhighaccuracyintoelementsofvarioussizes.Theelementsthenaresteam-curedunderpressureinautoclaveswherethematrixistransformedintoasolidcalciumsilicatehydrate.Note1LOIupto12%maybeacceptableforproductionofAACprovidedsupportingtestdataispresentedbythemanufacturer.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.
【中国标准分类号】:Q72
【国际标准分类号】:91_100_30
【页数】:5P.;A4
【正文语种】: