ASTM C330/C330M-2009 结构混凝土用轻质集料的标准规范

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【英文标准名称】:StandardSpecificationforLightweightAggregatesforStructuralConcrete
【原文标准名称】:结构混凝土用轻质集料的标准规范
【标准号】:ASTMC330/C330M-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C09.21
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:Aggregate--specifications;Concreteaggregates--specifications;Concreteconstructionmaterials/applications--specifications;Lightweightaggregate;Structuralconcrete--specifications
【摘要】:1.1Thisspecificationcoverslightweightaggregatesintendedforuseinstructuralconcreteinwhichprimeconsiderationsarereducingthedensitywhilemaintainingthecompressivestrengthoftheconcrete.Procedurescoveredinthisspecificationarenotintendedforjobcontrolofconcrete.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.2.1Withregardtootherunitsofmeasure,thevaluesstatedininch-poundunitsaretoberegardedasstandard.1.3Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.Note18212;Thisspecificationisregardedasadequatetoensuresatisfactorylightweightaggregatesformostconcrete.Itisrecognizedthatitmaybeeithermoreorlessrestrictivethanneededforsomeconditionsandforspecialpurposes,suchasfireresistance,fill,andconcreteconstructions,theuseofwhichisbasedonloadtestsratherthanconventionaldesignprocedures.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:4P.;A4
【正文语种】:英语


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【英文标准名称】:Acoustics-Measurementsofsoundpressurelevelemittedbystationaryroadvehicles
【原文标准名称】:声学.稳定道路车辆发射声压级的测量
【标准号】:BSISO5130-2007
【标准状态】:作废
【国别】:英国
【发布日期】:2007-06-29
【实施或试行日期】:2007-06-29
【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】:声学测量;声学特性和声学现象;声学测试;声学;定义;检验;测量;测量结果;摩托车;噪声辐射;噪声(环境的);噪声测量;噪声降低;道路车辆;旋转速度;声级;声压级;稳定噪声;试验报告;测试;测试条件;运载工具
【英文主题词】:Acousticmeasurement;Acousticpropertiesandphenomena;Acoustictesting;Acoustics;Definitions;Inspection;Measurement;Measuringresults;Measuringtechniques;Motorvehicles;Noiseemissions;Noise(environmental);Noisemeasurements;Noisereduction;Roadvehicles;Rotationalspeeds;Soundlevels;Soundpressurelevel;Stationarynoise;Testreports;Testing;Testingconditions;Vehicles
【摘要】:ThisInternationalStandardspecifiesatestprocedure,environmentandinstrumentationformeasuringtheexteriorsoundpressurelevelsfromroadvehiclesunderstationaryconditions,providingacontinuousmeasureofthesoundpressureleveloverarangeofenginespeeds.ThisInternationalStandardappliesonlytoroadvehiclesofcategoriesL,MandNequippedwithinternalcombustionengines.Themethodisdesignedtomeettherequirementsofsimplicityasfarastheyareconsistentwithreproducibilityofresultsundertheoperatingconditionsofthevehicle.ItiswithinthescopeofthisInternationalStandardtomeasurethestationaryA-weightedsoundpressurelevelduringtypeapprovalmeasurementsofvehicle;measurementsatthemanufacturingstage;measurementsatofficialtestingstations;measurementsatroadsidetesting.ThisInternationalStandardspecifiesneitheramethodtochecktheexhaustsoundpressurelevelwhentheengineisoperatedatrealisticloadsnoramethodtochecktheexhaustsoundpressurelevelsagainstageneralnoiselimitforcategoriesofroadvehicles.TechnicalbackgroundinformationisgiveninAnnexA.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_30;43_020
【页数】:26P.;A4
【正文语种】:英语


Product Code:SAE AS14102
Title:Bearing, Plain, Self-Lubricating, Self-Aligning, Low Speed, Wide, Chamfered Race, -65Mdf to 325Mdf
Issuing Committee:Acbg Plain Bearing Committee
Scope:No scope available.