【英文标准名称】:StandardSpecificationforConcreteAggregates
【原文标准名称】:混凝土集料的标准规范
【标准号】:ASTMC33-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:C09.20
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:混凝土用集料;混凝土;分级(质量)
【英文主题词】:aggregates;coarseaggregate;concreteaggregates;fineaggregate;Aggregate--specifications;Coarseaggregate--specifications;Concreteaggregates--specifications;Fineaggregate
【摘要】:1.1Thisspecificationdefinestherequirementsforgradingandqualityoffineandcoarseaggregate(otherthanlightweightorheavyweightaggregate)foruseinconcrete.1.2Thisspecificationisforusebyacontractor,concretesupplier,orotherpurchaseraspartofthepurchasedocumentdescribingthematerialtobefurnished.Note18212;Thisspecificationisregardedasadequatetoensuresatisfactorymaterialsformostconcrete.Itisrecognizedthat,forcertainworkorincertainregions,itmaybeeithermoreorlessrestrictivethanneeded.Forexample,whereaestheticsareimportant,morerestrictivelimitsmaybeconsideredregardingimpuritiesthatwouldstaintheconcretesurface.Thespecifiershouldascertainthataggregatesspecifiedareorcanbemadeavailableintheareaofthework,withregardtograding,physical,orchemicalproperties,orcombinationthereof.1.3Thisspecificationisalsoforuseinprojectspecificationstodefinethequalityofaggregate,thenominalmaximumsizeoftheaggregate,andotherspecificgradingrequirements.Thoseresponsibleforselectingtheproportionsfortheconcretemixtureshallhavetheresponsibilityofdeterminingtheproportionsoffineandcoarseaggregateandtheadditionofblendingaggregatesizesifrequiredorapproved.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthisstandard.
【中国标准分类号】:
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:


【英文标准名称】:
【原文标准名称】:铜及铜合金中的锡含量测定方法
【标准号】:JISH1052-1984
【标准状态】:作废
【国别】:日本
【发布日期】:1984-02-01
【实施或试行日期】:1984-02-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:锡;铜合金;含量测定;铜
【英文主题词】:
【摘要】:
【中国标准分类号】:H13
【国际标准分类号】:
【页数】:
【正文语种】: