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ASTM C128-2007a 密度、相对密度(比重)、和细集料吸收性的标准试验方法

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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】:


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【英文标准名称】:Petroleumproducts.Fuels(classF).Specificationsofmarinefuels
【原文标准名称】:石油产品.燃料(F类).船用燃料规格
【标准号】:BSISO8217-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2012-08-31
【实施或试行日期】:2012-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车燃料;锅炉装置;类别;分类系统;柴油发动机;柴油;蒸馏物;燃料;解释;极限(数学);船用发动机;材料测试;导航;船队;工作特性;石油产品;精密度;性能;质量要求;渣油;抽样方法;造船;船舶;规范;规范(验收);规格;试验;水路运输
【英文主题词】:Automotivefuels;Boilerplants;Categories;Classificationsystems;Dieselengines;Dieselfuels;Distillates;Fuels;Interpretations;Limits(mathematics);Marineengines;Materialstesting;Navigation;Navy;Performancecharacteristics;Petroleumproducts;Precision;Properties;Qualityrequirements;Residualoil;Samplingmethods;Shipbuilding;Ships;Specification;Specification(approval);Specifications;Testing;Watertransport
【摘要】:
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:40P;A4
【正文语种】:英语


Product Code:SAE AMS3798/15
Title:Webbing, Low Modulus Aramid, 1 (25) Wide, 2,500 (11,121) Breaking Strength, Herringbone Twill
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers one width and one strength of low-modulus aramid webbing. This product has been used in construction of parachutes, but usage is not limited to such applications. 1 inch (25.4 mm) wide low-modulus aramid webbing having 2,500 pounds force (11,121 N) breaking strength.