【英文标准名称】:StandardTestMethodforDeflectionswithaFalling-Weight-TypeImpulseLoadDevice
【原文标准名称】:落重型脉冲负荷装置测量弯曲性的标准试验方法
【标准号】:ASTMD4694-1996(2003)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:E17.41
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:承重面的表面修饰;建筑;额定值;精整;试验;施工材料;公路建设;路面(道路);路面;材料;表面;挠曲;挠曲试验
【英文主题词】:deflectionsurveys;deflectiontesting;fallingweight;deflectometer(FED);impulsedeflectiontestingdevice;load/deflectiontesting;nondestructivetesting(NDT);pavementdeflection;pavementtesting
【摘要】:Thistestmethodcoversthedeterminationofpavementsurfacedeflectionsasaresultoftheapplicationofanimpulseloadtothepavementsurface.Theresultingdeflectionsaremeasuredatthecenteroftheappliedloadandatvariousdistancesawayfromtheload.Deflectionsmaybeeithercorrelateddirectlytopavementperformanceorusedtodeterminethein-situmaterialcharacteristicsofthepavementlayers.Someusesofdataincludestructuralevaluationofloadcarryingcapacityanddeterminationofoverlaythicknessrequirementsforhighwayandairfieldpavements.1.1Thistestmethodcoversthemeasurementofdeflectionsofpavedandunpavedsurfaceswithafalling-weight-typeimpulseloaddevice.Thesedevicesarecommonlyreferredtoasfalling-weightdeflectometersorFWDs.1.2Thistestmethoddescribesthemeasurementofverticaldeflectionresponseofthesurfacetoanimpulseloadappliedtothepavementsurface.Verticaldeflectionsaremeasuredontheloadaxisandatpointsspacedradiallyoutwardfromtheloadaxis.Note18212;SubcommitteeD04.39iscurrentlyworkingonthedevelopmentofaPrecisionandBiasstatement.Therefore,thecommitteerecommendsthattheresultsfromthistestmethodshouldnotbeusedinabuyingorsellingrelationshipforconstructionmaterialsorconstructionmaterialsacceptance.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.AspecifichazardstatementisgiveninSection6.
【中国标准分类号】:P66
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:


MIL-PRF-55339C (W/ AMENDMENT 1), PERFORMANCE SPECIFICATION, ADAPTERS, CONNECTORS, COAXIAL, RADIO FREQUENCY, (BETWEEN SERIES AND WITHIN SERIES), GENERAL SPECIFICATION FOR (16 APR 2008)., This specification covers the performance requirements and tests for between series and within series, radio frequency (RF), coaxial connector adapters.