SAE AS31971 Gage Pin for Socket Contact Engagement Test
作者:标准资料网 时间:2024-05-16 00:23:30 浏览:8707
来源:标准资料网
Product Code:SAE AS31971
Title:Gage Pin for Socket Contact Engagement Test
Issuing Committee:Ae-8c1 Connectors Committee
Scope:Gage Pin For Socket Contact Engagement Test
【英文标准名称】:StandardTestMethodforPotentialAlkaliReactivityofCarbonateRocksasConcreteAggregates(Rock-CylinderMethod)
【原文标准名称】:用作混凝土集料的碳酸盐岩石潜在碱活性的标准试验方法(岩石柱法)
【标准号】:ASTMC586-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:C09.26
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:集料;强碱;碳酸盐;水泥;混凝土;试验;施工材料
【英文主题词】:aggregate;alkalireactivity;carbonaterocks;concrete;deleteriousexpansion
【摘要】:Thistestmethodisintendedtogivearelativelyrapidindicationofthepotentialexpansivereactivityofcertaincarbonaterocksthatmaybeusedasconcreteaggregates.Thetestmethodhasbeensuccessfullyusedin(1)researchand(2)preliminaryscreeningofaggregatesourcestoindicatethepresenceofmaterialwithapotentialfordeleteriousexpansionwhenusedinconcrete.Thetestmethodisintendedasaresearchandscreeningmethodratherthanasthebasisofaspecificationrequirement.Itisintendedtosupplementdatafromfieldservicerecords,petrographicexaminationsaccordingtoGuideC295,andtestsofaggregateinconcreteaccordingtoTestMethodC1105.Alkaliesparticipatingintheexpansivereactionswithaggregateconstituentsinconcreteusuallyarederivedfromthehydrauliccement;undercertaincircumstancestheymaybederivedfromotherconstituentsofconcreteorfromexternalsources.Twotypesofalkalireactivityofaggregatesarerecognized:(1)alkali-silicareactioninvolvingcertainsiliceousrocks,minerals,andartificialglasses,and(2)alkalicarbonatereactioninvolvingdolomiteincertaincalciticdolomites,dolomiticlimestones,anddolostones.Thistestmethodisnotsuitableasameanstodetectalkali-silicareaction.1.1Thistestmethodcoversthedeterminationoftheexpansionofaspecimenofcarbonaterockwhileimmersedinasolutionofsodiumhydroxide(NaOH)atroomtemperature.Thelengthchangesoccurringduringsuchimmersionindicatethegenerallevelofreactivityoftherockandwhethertestsshouldbemadetodeterminetheeffectofaggregatepreparedfromtherockuponthevolumechangeinconcrete.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsinparenthesesareprovidedforinformationonly.
【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】:
基本信息
标准名称: | 城市综合用水量标准 |
英文名称: | Standard of integrated quota for urban water use |
中标分类: |
工程建设 >>
工程勘察与岩土工程 >>
工程水文 |
ICS分类: |
计量学和测量、物理现象 >>
流体流量的测量
|
发布日期: | 2007-03-01 |
实施日期: | 2007-06-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 20 |
适用范围
本规程适用于城市综合用水量的控制管理,可用于城市涉水专业规划的编制,亦可供城市发展和新区建设用水预测与取水总量控制参照使用。达到相应规模的建制镇、经济开发区可参照执行。
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所属分类: 工程建设 工程勘察与岩土工程 工程水文 计量学和测量 物理现象 流体流量的测量