基本信息
| 标准名称： | 铰接式客车机械连接装置 球头销 |
| 中标分类： |
车辆 >>
汽车 >>
客车 |
| 替代情况： | 被GB/T 7726.3-1998代替 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1988-02-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
适用范围
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引用标准
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所属分类： 车辆 汽车 客车
【英文标准名称】:StandardTestMethodforPerformanceofWoodandWood-BasedFloorandRoofSheathingUnderConcentratedStaticandImpactLoads
【原文标准名称】:在集中静载荷和冲击载荷下木制及木基楼板和屋顶覆盖层表现的试验方法
【标准号】:ASTME661-2003(2009)
【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】:E06.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:concentratedstaticload;deflectionresistance;drop-bagtests;floorsheathing;impactload;roofsheathing;ultimateimpactload;woodsheathing;Built-uproofs;Deflection--buildingconstructions/materials;Deformation--structuraltestsofbuildi
【摘要】:Theproceduresoutlinedwillprovidedatathatcanbeusedtoevaluatethestructuralperformance,underconcentratedloads,ofroofandfloorsheathing,separatefromtheeffectsoftheframing,undersimulatedconditionsrepresentativeofthoseinactualservice.Theproceduresareintendedtobeappliedtorooforfloorsheathingmaterialsinstalleddirectlytoframing.Theyarenotintendedfortheevaluationoftheframedassemblyasawhole.1.1Thistestmethodcoversproceduresfordeterminingtheresistancetodeflectionanddamageoffloorandroofsheathingusedinsite-builtconstructionsubjectedtoconcentratedstaticloadsaswellasimpactloadsfromnonrigidbluntobjects.Itisapplicabletowoodandwood-basedpanelsandboards,butisnotintendedtocoverprofiledmetaldecks,norprecastorcast-in-placeslabs.Surfaceindentationisnotevaluatedseparatelyfromdeflection.1.2Threeapplicationsarecovered:roofsheathing,subfloors,andsinglefloors.Roofsheathingistestedinbothadryandawetcondition,whilesubfloorsandsinglefloorsarebothtestedinadrycondition,aswellasaconditionofhavingdriedoutafterbeingwet.Thesemoistureconditionsarethosecommonlyexperiencedwithsite-builtconstruction.Note18212;Whereitisanticipatedthatsheathingwillbesubjectedonlytodryconditionsduringconstructionanduse,orelsetogreatermoistureexposurethanisindicatedin7.3.2,thecorrespondingexposureconditionsmaybemodifiedbyagreementbetweentheinterestedparties.Forexample,shop-builtconstructionmaybetesteddryonly,althoughthepossibilityofexposuretohighhumidityorleaksandfloodingduringuseshouldbeconsidered.1.3Thevaluesstatedinmetric(SI)unitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P23
【国际标准分类号】:79_060_01
【页数】:6P.;A4
【正文语种】:英语