MIL-STD-91621
时间:2024-05-14 14:28:54 来源: 标准资料网 作者：标准资料网 阅读：8799
MIL-STD-91621, MILITARY STANDARD: PRINCIPLES OF INSPECT, REPAIR ONLY AS NECESSARY (IROAN) PROCEDURES AND PREPARATION OF IROAN PUBLICATIONS (2 NOV 1992)., This military standard addresses the Inspect, Repair Only As Necessary (IROAN) procedure, presents guidelines for establishing an IRON program, and sets the criteria for developing the IROAN standards publication.
【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标准试验方法
【标准号】:ASTMC1170/C1170M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C09.45
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:concrete;consistency;density;freshconcreteproperties;roller-compactedconcrete;Calibration--cement/concreteanalysisinstrumentation;Consistency--concrete;Density--concrete;Roller-compactedconcrete;Vebevibratingtable;Vibratingtable
【摘要】:Thistestmethodisintendedtobeusedfordeterminingtheconsistencyanddensityofstifftoextremelydryconcretemixturescommonwhenusingroller-compactedconcreteconstruction.Becauseofthestifftoextremelydryconsistencyofsomeroller-compactedconcretemixtures,thestandardVebetestmethodofroddingthespecimeninaslumpconeissubstitutedbyProceduresAandB.ProcedureAusesa22.7-kg[50-lb]surchargeandisusedforconcreteconsolidatedbyroller-compactionmethodswhentheconsistencyoftheconcreteisverystifftoextremelydry.ProcedureBusesa12.5-kg[27.5-lb]surchargeandisusedforconcreteconsolidatedbyroller-compactionmethodswhentheconsistencyoftheconcreteisstifftoverystiffconsistency,butnotextremelydry.1.1Thistestmethodisusedtodeterminetheconsistencyofconcreteusingavibratingtableandasurchargeandtodeterminethedensityoftheconsolidatedconcretespecimen.Thistestmethodisapplicabletofreshlymixedconcrete,preparedinboththelaboratoryandthefield,havinganominalmaximumsizeaggregateof50mm[2in.]orless.Ifthenominalmaximumsizeofaggregateislargerthan50mm[2in.],thetestmethodisapplicableonlywhenperformedonthefractionpassingthe50-mm[2-in.]sievewiththelargeraggregatebeingremovedinaccordancewithPracticeC172.1.2Thistestmethod,intendedforuseintestingroller-compactedconcrete,maybeapplicabletotestingothertypesofconcretesuchascement-treatedaggregateandmixturessimilartosoil-cement.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Warningx2014;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】:英语
【英文标准名称】:Weldablesteeldropforgedarticlesforboilersandpressurevessels.Mo,Mn/MoandCr/Moalloysteels.Gradesandtypes.
【原文标准名称】:锅炉和压力容器用焊接钢自由锻件.钼、锰钼和铬钼合金钢.等级和类型
【标准号】:NFA36-606-1982
【标准状态】:现行
【国别】:法国
【发布日期】:1982-11-01
【实施或试行日期】:1982-11-28
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:机械性能;压力容器;特性;化学成分;产品;锻件;压力装置;试验条件;钢;热处理;规范
【英文主题词】:Chemicalcomposition;Forgings;Heattreatment;Mechanicalproperties;Pressureequipment;Pressurevessels;Products;Properties;Specifications;Steels;Testingconditions
【摘要】:
【中国标准分类号】:H40
【国际标准分类号】:77_140_30;77_140_85
【页数】:16P;A4
【正文语种】:其他