Product Code:SAE AMSS18732
Title:Steel Bars, Wire, Forging Stock, Forgings, Tubing (431), Special Quality (Cancelled Jul 2000)
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification presents requirements for a special quality of type 431 corrosion-resistant steel.
【英文标准名称】:StandardTestMethodforDensityofBituminousPavingMixturesinPlacebytheElectromagneticSurfaceContactMethods
【原文标准名称】:用电磁表面接触法现场测定沥青铺面混合物密度的标准试验方法
【标准号】:ASTMD7113-2009
【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】:bituminous-concretedensity;density;in-placedensity;non-nucleartestmethod,electronicdensitydevice;Bituminouspavingmixtures;Surfacecontact(electromagnetic)
【摘要】:Thetestmethoddescribedisusefulasarapid,nondestructivetechniquefordeterminingthein-placedensityorrelativecompactionofcompactedbituminousmixtures.Thetestmethodcanbeusedtoestablishtheproperrollingeffortandpatterntoachievetherequireddensity.Thenon-destructivenatureofthetestallowsrepetitivemeasurementstobemadeatasingletestlocationbetweenrollerpassesoratmultiplelocationsacrossthemattomonitorchangesindensity.Thedensityresultsobtainedbythistestmethodarerelative.Devicecalibration(correlationwithothertestmethods)isrequiredtoconverttheresultsobtainedusingthismethodtoactualdensity.Section6ofthistestmethoddescribesamethodthathasproventobeacceptableforcorrelation.Note18212;ThepersonnelandequipmentusedinperformingthistestcanbeevaluatedinaccordancewithSpecificationD3666.Note28212;Researchandevaluationofdevicesusedinthistestmethodhasbeenconducted.Referenceismadetox201C;EvaluationofNon-NuclearGaugestoMeasureDensityofHot-MixedAsphaltPavements,x201D;apooledfundstudy,PedroRomero,Ph.D.,P.E.,July2002.1.1Thistestmethodcoverstheproceduresfordeterminingthein-placedensityandrelativecompactionofbituminousconcretepavementpavingmixturesbyanelectromagneticsurfacecontactdevicebymeasuringchangesintheelectromagneticfieldresultingfromthecompactionprocess.1.2Theequipmentreferencedinthismethodisasurfacecontactdevice,whichmustaccommodatesurfacemoistureandtemperaturevariationintherangetypicallyencounteredinpavingapplications.Thiscanbeaccomplishedbydesignparametersthatreducethedevicex2019;ssensitivitytosurfacemoistureandtemperaturevariationorbymeasurementsandalgorithmstoaccountforsurfacemoistureandtemperaturevarianceintherollingpattern.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticespriortouse.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.
【中国标准分类号】:Q17
【国际标准分类号】:93_080_20
【页数】:3P.;A4
【正文语种】:英语
基本信息
标准名称: | 医疗器械生物学评价 第1部分:试验选择指南 |
英文名称: | Biological evaluation of medical devices --Part 1:Guidance on selection of tests |
中标分类: |
医药、卫生、劳动保护 >>
医疗器械 >>
医疗器械综合 |
ICS分类: |
医药卫生技术 >>
医疗设备 >>
医疗设备综合
|
替代情况: | 被GB/T 16886.1-2001代替 |
发布日期: | 1900-01-01 |
实施日期: | 1997-12-01 |
首发日期: | 1900-01-01 |
作废日期: | 2002-02-01 |
出版日期: | 1900-01-01 |
页数: | 15页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 医药 卫生 劳动保护 医疗器械 医疗器械综合 医药卫生技术 医疗设备 医疗设备综合