ASTM D3044-1994(2006) 木基结构板剪切模数的标准试验方法

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【英文标准名称】:StandardTestMethodforShearModulusofWood-BasedStructuralPanels
【原文标准名称】:木基结构板剪切模数的标准试验方法
【标准号】:ASTMD3044-1994(2006)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:D07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:胶合板;建筑;施工材料;木材;试验;剪切模量
【英文主题词】:shearmodulus;structuralpanel;wood
【摘要】:ThistestmethodismostusefulfordeterminingthemoduliofrigidityoforthotropicmaterialsforwhichmoduliofrigiditycannotbecomputedfromelasticmoduliandPoissonrsquo;ratios.Theshearmodulusdeterminedbythismethodappearsintheequationgoverningthebendingofaplate.Thisisthemodulusthatisneededindiscussingthedeflectionandbucklingofplates.1.1Thistestmethodcoversdeterminationoftheshearmodulusofwood-basedstructuralpanelsassociatedwithsheardistortionintheplaneofthepanels.Themethodisapplicabletoalltypesofwood-basedstructuralpanels.Thegraindirectionororientationoftheindividualplies,laminations,orlayersshallbeparallelorperpendiculartotheedgeofthetestspecimen.Iftheplies,laminations,orlayersareofdifferentmaterialorelasticproperties,themethodgivestheeffectiveshearingmodulus.Wood-basedstructuralpanelsinuseincludeplywood,waferboard,orientedstrandboard,andcompositesofveneerandofwood-basedlayers.Note18212;Thistestmethodisprimarilydesignedformaterialinwhichthegrainororientationoftheindividualplies,laminations,orlayersisparallelorperpendiculartotheedgeofthespecimen.Itmaybeused,however,forplywoodspecimensinwhichthegrainisat45tothespecimenedgesifafour-plypanelwithallpliesofthesamethicknessisused.ThecontrollingconditionisthattheEI(modulusofelasticitymomentofinertia)valuesalongbothdiagonalsshallbeequal.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B70
【国际标准分类号】:79_060_10
【页数】:3P.;A4
【正文语种】: