标准名称：	道岔护轨中部间隔铁
中标分类：	铁路 >> 铁路建筑设备 >> 道岔与钢轨伸缩器
替代情况：	TB 439-1964
发布日期：
实施日期：	2003-10-01
首发日期：
作废日期：
出版日期：
页数：	2页

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【英文标准名称】:StandardPracticeforPreparingPanelUnderlayments,ThickPouredGypsumConcreteUnderlayments,ThickPouredLightweightCellularConcreteUnderlayments,andConcreteSubfloorswithUnderlaymentPatchingCompoundstoReceiveResilientFlooring
【原文标准名称】:嵌板衬层、厚浆石膏混凝土衬层、厚浆轻型多孔混凝土衬层以及用以支承弹性地板的带衬层修补混合料的混凝土底层地板制备的标准实施规程
【标准号】:ASTMF2678-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:F06.40
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:concretesubfloors;gypsumconcretesubfloors;panelunderlayment;patchingcompounds;pouredlightweightcellularconcretesubfloors
【摘要】:Thispracticeprovidesminimumrecommendationsforpreparingandsmoothingpanelunderlayments,thickpouredgypsumconcreteunderlayments,thickpouredlightweightcellularconcreteunderlaymentsandconcretesubfloorswithpatchingcompounds.Actualrequirementsformaterialstobeused,mixtures,andotherdetailsaregenerallyincludedaspartoftheprojectplansorspecificationdetailsandmayvaryfromtheminimumrecommendationssetforthinthispractice.1.1Thispracticeincludesrecommendationsforpreparingandsmoothingpanelunderlayments,gypsumconcreteandconcretesubfloorswithpatchingcompoundsuponwhichresilientflooringmaybeinstalled.1.2Thispracticedoesnotcovertheadequacyofthesubfloorassemblytoperformitsstructuralrequirements,whichisgovernedbylocalbuildingcodes.1.3Thispracticedoesnotsupersedeinanymannertheresilientflooring,underlaymentoradhesivemanufacturerx2019;swritteninstructions.Consulttheindividualresilientflooring,underlaymentoradhesivemanufacturerforspecificrecommendations.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P25
【国际标准分类号】:91_180
【页数】:4P.;A4
【正文语种】:英语