ASTM D6752-2003e1 用自动真空密封法测量压实的沥青混合料的毛体积比重和密度的标准试验方法
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【英文标准名称】:StandardTestMethodforBulkSpecificGravityandDensityofCompactedBituminousMixturesUsingAutomaticVacuumSealingMethod
【原文标准名称】:用自动真空密封法测量压实的沥青混合料的毛体积比重和密度的标准试验方法
【标准号】:ASTMD6752-2003e1
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D04.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:比率的;密度;密封件;混合物;散装;沥青;自动;真空的;试验方法
【英文主题词】:bituminouspavingmixtures&8212;compacted;bulkspecificgravity;density
【摘要】:TheresultsobtainedfromthismethodcanbeusedtodeterminetheunitweightofcompactedbituminousmixturesandinconjunctionwithTestMethodD3203,toobtainpercentairvoids.Thesevaluesinturnmaybeusedindeterminingtherelativedegreeofcompaction.Sincespecificgravityhasnounits,itmustbeconvertedtodensityinordertodocalculationsthatrequireunits.Thisconversionismadebymultiplyingthespecificgravityatagiventemperaturebythedensityofwateratthesametemperature.Thismethodcanbeusedfor100mmand150mmdiametercylindricalaswellascubicalasphaltspecimenstocorrectforabsorptiveandopengradedmixes.MixessuchasStoneMatrixAsphalt(SMA),porousfrictioncoarse,andSuperpavecoarsegradedmixeswithsignificantsurfacetextureandinterconnectedvoidsshouldbesealedforaccuratebulkspecificdensityresults.Followmanufacturerrecommendationforappropriatebagsizestobeutilizedwithcubicalandabnormallyshapedsamples.41.1Thistestmethodcoversthedeterminationofbulkspecificgravityofcompactedbituminousmixturesbythevacuumsealingmethod.1.2Thismethodcanbeusedforcompactedcylindricalandcubicalbituminouslaboratoryandfieldspecimens.1.3Thebulkspecificgravityofthecompactedbituminousmixturesmaybeusedincalculatingtheunitweightofthemixture.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:E43
【国际标准分类号】:75_140
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Conduitsystemsforcablemanagement-Part1:Generalrequirements
【原文标准名称】:电缆管理用导管系统.第1部分:一般要求
【标准号】:BSEN61386-1-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-09-30
【实施或试行日期】:2008-09-30
【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】:电缆导线;布线;分类;导(线)管;防腐蚀;定义;耐久性;防护等级;尺寸规格;电气工程;电力设备;电气装置;电性能;电性质和电现象;;电磁兼容性;惰性气体铠装电弧焊;处理;作标记;材料规范;机械性能;管道系统;管;保护管;合格试验;规范(验收);材料强度;试验;测试;试验条件;测试条件;热性能;干线;地下管道
【英文主题词】:Cableconduits;Cabling;Classification;Conduits;Corrosionprotection;Definition;Definitions;Degreesofprotection;Dimensions;Electricalengineering;Electricalinstallations;Electricalproperties;Electricalpropertiesandphenomena;Electricalwiringducts;Electromagneticcompatibility;Marking;Materialsspecification;Mechanicalproperties;Pipesystem;Pipes;Protectivetubes;Qualificationtests;Specification(approval);Strengthofmaterials;Testing;Testingconditions;Thermalproperties;Trunking;Undergroundconduits
【摘要】:ThispartofIEC61386specifiesrequirementsandtestsforconduitsystems,includingconduitsandconduitfittings,fortheprotectionandmanagementofinsulatedconductorsand/orcablesinelectricalinstallationsorincommunicationsystemsupto1000Va.c.and/or1500Vd.c.Thisstandardappliestometallic,non-metallicandcompositeconduitsystems,includingthreadedandnon-threadedentrieswhichterminatethesystem.ThisstandarddoesnotapplytoenclosuresandconnectingboxeswhichcomewithinthescopeofIEC60670.NOTE1Certainconduitsystemsmayalsobesuitableforuseinhazardousatmospheres.Regardshouldthenbetakenoftheextrarequirementsnecessaryforequipmenttobeinstalledinsuchconditions.NOTE2Earthingconductorsmayormaynotbeinsulated.
【中国标准分类号】:K13
【国际标准分类号】:29_120_10
【页数】:42P.;A4
【正文语种】:英语
MIL-G-38277, MILITARY SPECIFICATION: GREASE, AIRCRAFT, HIGH SPEED, BALL AND ROLLER BEARING, 600 DEG F (21 JAN 1983) [NO S/S DOCUMENT]., Specification MIL-G-38277 (USAF), dated 31 March 1965, is hereby canceled without replacement.