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【英文标准名称】:StandardTestMethodforDensity,RelativeDensity(SpecificGravity),andAbsorptionofFineAggregate
【原文标准名称】:密度、相对密度(比重)、和细集料吸收性的标准试验方法
【标准号】:ASTMC128-2007a
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:吸收;集料;混凝土;建筑;建筑材料;细集料;细粒材料;相对密度;试验
【英文主题词】:absorption;aggregate;apparentdensity;apparentrelativedensity;density;fineaggregate;relativedensity;specificgravity
【摘要】:1.1Thistestmethodcoversthedeterminationoftheaveragedensityofaquantityoffineaggregateparticles(notincludingthevolumeofvoidsbetweentheparticles),therelativedensity(specificgravity),andtheabsorptionofthefineaggregate.Dependingontheprocedureused,thedensity,inkg/m3(lb/ft3)isexpressedasoven-dry(OD),saturated-surface-dry(SSD),orasapparentdensity.Likewise,relativedensity(specificgravity),adimensionlessquality,isexpressedasOD,SSD,orasapparentrelativedensity(apparentspecificgravity).TheODdensityandODrelativedensityaredeterminedafterdryingtheaggregate.TheSSDdensity,SSDrelativedensity,andabsorptionaredeterminedaftersoakingtheaggregateinwaterforaprescribedduration.1.2Thistestmethodisusedtodeterminethedensityoftheessentiallysolidportionofalargenumberofaggregateparticlesandprovidesanaveragevaluerepresentingthesample.Distinctionismadebetweenthedensityofaggregateparticlesasdeterminedbythistestmethod,andthebulkdensityofaggregatesasdeterminedbyTestMethodC29/C29M,whichincludesthevolumeofvoidsbetweentheparticlesofaggregates.1.3Thistestmethodisnotintendedtobeusedforlightweightaggregates.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandardforconductingthetests.ThetestresultsfordensityshallbereportedineitherSIunitsorinch-poundunits,asappropriatefortheusetobemadeoftheresults.1.5Thetextofthistestmethodreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthistestmethod.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Ductileironwidetolerancecouplingsandflangeadaptorsforusewithpipesofdifferentmaterials:Ductileiron,greyiron,steel,PVC-U,PE,fibre-cement;GermanversionEN14525:2004
【原文标准名称】:不同材料(球墨铸铁、灰铸铁、钢、PVC-U、PE和纤维水泥)管道用球墨铸铁大公差联接器和法兰接头
【标准号】:DINEN14525-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:纤维水泥;地下;尺寸;未增塑聚氯乙烯;球墨铸铁;铸铁管;螺栓连接(法兰);材料强度;管道;精整;管;上方的;聚乙烯;功能性;输水管道;机械性能;管道配件;特性;铸铁;定义;规范(验收);试验;检验;配件;管连接件;产品信息;材料;
【英文主题词】:
【摘要】:ThisEuropeanstandardappliestoductileironcouplingsandflangeadaptorsintendedforusewithpipecomponentmadefromalargenumberofpipematerials(metallicandnonmetallic),providingaleaktightsealoverawiderangeofpipeexternaldiameters.#,,#
【中国标准分类号】:J15
【国际标准分类号】:23_040_10;23_040_60
【页数】:31P;A4
【正文语种】:德语