【英文标准名称】:Electricalengineering;basisenvironmentaltestingprocedures;testFcandguidance:vibration(sinusoidal);identicalwithIEC68-2-6:1982(statusasof1985)
【原文标准名称】:电器技术.基本环境试验规程.第2部分:试验.第6节:试验Fc和指南.振动正弦
【标准号】:DINIEC60068T.2-6-1990
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:


【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】: