【英文标准名称】:Derricks;Addenda
【原文标准名称】:桅杆起重机.附录
【标准号】:ASMEB30.6bAddenda-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:维修;定义;定义;检验;提升装置;提升设备;装置;电动的;桅杆起重机;起重机;安全
【英文主题词】:liftingequipment;installations;liftingdevices;definitions;safety;cranes;definition;power-operated;maintenance;derricks;inspection
【摘要】:
【中国标准分类号】:J80
【国际标准分类号】:53_020_20
【页数】:24P;A4
【正文语种】:英语


【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】:ASTMD6752-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:
【英文主题词】:bulkspecificgravity;compactedbituminouspavingmixtures;density;Automaticvacuumsealingmethod;Bulkspecificgravity;Compactedbituminouspavingmixtures;Density--pavingmaterials;Specificgravity--bituminousmixtures;Vacuumseals/sealing
【摘要】:TheresultsobtainedfromthismethodcanbeusedtodeterminetheunitweightofcompactedbituminousmixturesandinconjunctionwithTestMethodD3203,toobtainpercentairvoids.Thesevaluesinturnmaybeusedindeterminingtherelativedegreeofcompaction.Sincespecificgravityhasnounits,itmustbeconvertedtodensityinordertodocalculationsthatrequireunits.Thisconversionismadebymultiplyingthespecificgravityatagiventemperaturebythedensityofwateratthesametemperature.Thismethodcanbeusedfor100mm(4in.)and150mm(6in.)diametercylindricalaswellascubicalasphaltspecimenstocorrectforinconsistenciesinsampleweightdeterminationsresultingfromdrainageofwaterfromsamplesandinaccuracyinsaturatedsurfacedryweightofabsorptivecoarseandopengradedmixes.MixessuchasStoneMatrixAsphalt(SMA),porousfrictioncourse,andcoarsegradedmixeswithsignificantsurfacetextureandinterconnectedvoidscanbetestedwiththismethod.Followmanufacturerrecommendationforappropriatebagsizestobeutilizedwithcubicalandabnormallyshapedsamples.Note18212;ThepersonnelandequipmentusedinperformingthistestcanbeevaluatedinaccordancewithPracticeD3666.1.1Thistestmethodcoversthedeterminationofbulkspecificgravityofcompactedbituminousmixturesbythevacuumsealingmethod.1.2Thismethodcanbeusedforcompactedcylindricalandcubicalbituminouslaboratoryandfieldspecimens.1.3Thebulkspecificgravityofthecompactedbituminousmixturesmaybeusedincalculatingtheunitweightofthemixture.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesisareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,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】:英语