【英文标准名称】:StandardTestMethodforEvaluatingDowel-BearingStrengthofWoodandWood-BasedProducts
【原文标准名称】:木和木制品的榫支承强度评估用标准试验方法
【标准号】:ASTMD5764-1997a(2007)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D07.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:应用;支承强度;电容性负载;测试;试验;木材接头;木材;木制品;木质板材
【英文主题词】:dowel-bearingstrength;wood-base
【摘要】:Thelocalizedcrushingbehaviorofwoodorwood-baseproductsbeneathafastenerwherethefastenerdoesnotbendprovidesamaterialpropertythatisusedintheoreticalmodelsforconnectionswherecrushingorfastenerbending,orboth,occur.Thesetheoreticalmodelsareusedtoestablishdesignvaluesforwoodandwood-baseconnections.Thetestsareappropriatewhenstudyingtheeffectsofsuchvariablesasfastenerdiameter,fastenerholesize,moisturecontent,specificgravity,andgraindirectiononthedowel-bearingstrength.1.1Thistestmethodprovidesthebasicprocedureforevaluatingdowel-bearingstrengthofwoodandwood-basedproducts.Thebearingtestresultsareusedtodeterminethestaticloadresistanceanddeformationcharacteristicsofconnectionsinwoodandwood-baseproductsresultingfromtheapplicationofaloadtransmittedbyafastenerinsertedintoapredrilledhole,ordrivenwithoutdrilling.Methodsaregivenforpreparingspecimenswithpredrilledholeslargerthanthefastenerdiameterandspecimenswithholesproducedbyinsertingfastenersinholessmallerthanthefastenerdiameter.Themethodsapplytofastenerssuchasdowels,bolts,nails,spikes,driftpins,screws,lagscrews,andstaples.1.2Thistestmethodalsoprovidesthebasisfordeterminingthecompressionbehaviorofwoodproductsbeneathalaterallyloadedfastenerwherethethicknessoftheproductandthediameterofthefasteneraresuchthatminimalbendingofthefasteneroccursduringtesting.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B69
【国际标准分类号】:19_060;79_020
【页数】:5P.;A4
【正文语种】:
基本信息
标准名称: | 药品检验操作规程 第5部分:药品仪器分析法 |
英文名称: | Operating methods for the tests and assays of drugs Part5:Instrumental determinations of drugs |
中标分类: |
医药、卫生、劳动保护 >>
医药 >>
医药综合 |
替代情况: | ZB C10003-89 |
发布日期: | 1900-01-01 |
实施日期: | 1991-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 47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 医药 医药综合