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【英文标准名称】:Piston-operatedvolumetricapparatus-Part4:dilutors.
【原文标准名称】:活塞驱动式容量测定仪.第4部分:稀释器
【标准号】:NFB35-655-4-2003
【标准状态】:现行
【国别】:法国
【发布日期】:2003-04-01
【实施或试行日期】:2003-04-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:活塞仪表;作标记;定义;规范(验收);稀释器;烧瓶(实验室);实验室器皿;试验;计量学;容量测量仪器;实验室玻璃器皿;容量计;调节;实验室设备;误差极限;操作;性能要求;规范;测量仪器;功能;用户信息;回程缸
【英文主题词】:Adjustment;Definitions;Dilutors;Errorlimits;Flasks(laboratory);Functions;Laboratoryequipment;Laboratoryglassware;Laboratoryware;Liftingcylinders;Marking;Measuringinstruments;Metrology;Operation;Performancerequirements;Pistonmeters;Specification(approval);Specifications;Testing;Userinformation;Volumetricapparatus;Volumetricmeters
【摘要】:
【中国标准分类号】:N12
【国际标准分类号】:17_060;71_040_20
【页数】:18P;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforCompressiveStrengthofConcreteCylindersCastinPlaceinCylindricalMolds
【原文标准名称】:在圆柱形模型中现场浇注的混凝土圆筒的抗压强度的标准试验方法
【标准号】:ASTMC873/C873M-2010a
【标准状态】:现行
【国别】:
【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】:C09.61
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:耐压强度;混凝土;圆筒模具;现场强度
【英文主题词】:compressivestrength;concrete;cylindermolds;in-placestrength
【摘要】:Cast-in-placecylinderstrengthrelatestothestrengthofconcreteinthestructureduetothesimilarityofcuringconditionsbecausethecylinderiscuredwithintheslab.However,duetodifferencesinmoisturecondition,degreeofconsolidation,specimensize,andlength-diameterratio,thereisnotauniquerelationshipbetweenthestrengthofcast-in-placecylindersandcoresofthesameage.Whencorescanbedrilledundamagedandtestedinthesamemoistureconditionasthecast-in-placecylinders,thestrengthofthecylinderscanbeexpectedtobeonaverage10%higherthanthecoresatagesupto91daysforspecimensofthesamesizeandlength-diameterratio.Strengthofcast-in-placecylindersmaybeusedforvariouspurposes,suchasestimatingtheload-bearingcapacityofslabs,determiningthetimeofformandshoreremoval,anddeterminingtheeffectivenessofcuringandprotection.1.1Thistestmethodcoversthedeterminationofstrengthofcylindricalconcretespecimensthathavebeenmoldedinplaceusingspecialmoldsattachedtoformwork.Thistestmethodislimitedtouseinslabswherethedepthofconcreteisfrom125to300mm[5to12in.].1.2Units8212;ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(WarningFreshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.)
【中国标准分类号】:
【国际标准分类号】:91_100_30
【页数】:4P.;A4
【正文语种】: