ASTM D6874-2003(2009)e1 利用横向振动无损评定木基受弯构件的标准试验方法

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【英文标准名称】:StandardTestMethodsforNondestructiveEvaluationofWood-BasedFlexuralMembersUsingTransverseVibration
【原文标准名称】:利用横向振动无损评定木基受弯构件的标准试验方法
【标准号】:ASTMD6874-2003(2009)e1
【标准状态】:现行
【国别】:美国
【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】:D07.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Transversetesting;Wood-basedmaterials/applications;Nondestructiveevaluation(NDE)
【摘要】:Thedynamicmodulusofelasticityprovidedbythesetestmethodsisafundamentalpropertyfortheconfigurationtested.Thisvaluecanberelatedtostaticandotherdynamicmoduliofelasticityasmeasuredonthesameconfiguration.Therapidityandeaseofapplicationofthesetestmethodsfacilitateitsuseasasubstituteforstaticmeasurements.Dynamicmodulusofelasticityisoftenusedforsurveys,forsegregationoflumberfortestpurposes,andtoprovideindicationofenvironmentalorprocessingeffect.Themodulusofelasticity,whethermeasuredstaticallyordynamically,isoftenausefulpredictorvariabletosuggestorexplainpropertyrelationships.1.1Thesetestmethodscoverthedeterminationoftheflexuralstiffnessandmodulusofelasticitypropertiesofwood-basedmaterialsbynondestructivetestingusingtransversevibrationintheverticaldirection.1.2Thetestmethodsarelimitedtospecimenshavingsolid,rectangularsections.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P23
【国际标准分类号】:19_100
【页数】:8P.;A4
【正文语种】:英语