基本信息
标准名称: | 放射性核素活度测量 锗γ谱仪法 |
英文名称: | Measurement of activity of radionuclides-Germanium gamma-ray spectrometry |
中标分类: |
能源、核技术 >>
同位素与放射源 >>
放射源 |
ICS分类: |
|
发布部门: | 中国核工业总公司 |
发布日期: | 1998-12-30 |
实施日期: | 1999-04-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 18页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 能源 核技术 同位素与放射源 放射源
【英文标准名称】:StandardTestMethodforDeterminingConsistencyandDensityofRoller-CompactedConcreteUsingaVibratingTable
【原文标准名称】:使用振动台测定滚动压实混凝土的稠度和密度的试验方法
【标准号】:ASTMC1170-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:C09.45
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:混凝土;密度;震动台;试验方法
【英文主题词】:concrete;consistency;density;freshconcreteproperties;roller-compactedconcrete;
【摘要】:Thistestmethodisintendedtobeusedfordeterminingtheconsistencyanddensityofstiffplastictoextremelydryconcretemixturescommonwhenusingroller-compactedconcreteconstruction.5.1.1Becauseofthestifftoextremelydryconsistencyofsomeroller-compactedconcretemixtures,thestandardVebetestmethodofroddingthespecimeninaslumpconeissubstitutedbyProceduresAandB.8ProcedureAusesa50-lb(22.7-kg)surchargeandisusedforconcreteconsolidatedbyroller-compactionmethodswhentheconsistencyoftheconcreteisstifftoextremelydry.ProcedureBusesa27.5-lb(12.5-kg)surchargeandisusedforconcreteconsolidatedbyroller-compactionmethodswhentheconsistencyoftheconcreteisstiffplastictoverystiffconsistency,butnotextremelydry.1.1Thistestmethodisusedtodeterminetheconsistencyofconcreteusingavibratingtableandasurchargeandtodeterminethedensityoftheconsolidatedconcretespecimen.Thistestmethodisapplicabletofreshlymixedconcrete,preparedinboththelaboratoryandthefield,havinganominalmaximumsizeaggregateof2in.(50mm)orless.Ifthenominalmaximumsizeofaggregateislargerthan2in.(50mm),thetestmethodisapplicableonlywhenperformedonthefractionpassingthe2-in.(50-mm)sievewiththelargeraggregatebeingremovedinaccordancewithPracticeC172.1.2Thistestmethod,intendedforuseintestingroller-compactedconcrete,maybeapplicabletotestingothertypesofconcretesuchascement-treatedaggregateandmixturessimilartosoil-cement.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationpurposesonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Warning-Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.)
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:5P.;A4
【正文语种】: